Hager AKE1500401 Manual

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Side 1/64

Manual

Floor installation systems

Basic knowledge

Contents

Table of contents

1 Basic planning principles..........................................17

1.1 Requirements for installation technology........................................................................17

1.2 Requirements from building conception......................................................................... 17

1.3 Requirements for organisation......................................................................................... 18

1.4 Requirements for security.................................................................................................18

1.5 Installation requirements / construction requirements..................................................18

2 Trunking systems...................................................... 19

2.1 Screed-covered trunking system..................................................................................... 19

2.2 Screed-flush trunking systems.........................................................................................20

2.3 On-floor trunking system.................................................................................................. 22

2.4 Raised floor installation system....................................................................................... 23

2.5 Cavity floor installation system........................................................................................ 24

3 Basic principles of screed........................................25

3.1 Screed structure.................................................................................................................25

3.2 Screed work........................................................................................................................26

3.3 Screed types....................................................................................................................... 26

4 Floor structure........................................................... 28

4.1 Floor structure 50 mm.......................................................................................................28

4.2 Floor structure 75 mm.......................................................................................................29

4.3 Floor structure 105 mm.....................................................................................................29

5 Information on the floor covering and for the floor

layer.............................................................................30

5.1 Information on the floor covering.................................................................................... 30

5.2 Information for the floor layer.......................................................................................... 30

6 Determining the cable volume................................. 32

6.1 Bend radii............................................................................................................................ 33

6.2 Cable volume of most common installation cables....................................................... 34

7 Power supply and device installation units.............37

7.1 Stainless steel cassette EKQ/EKR/EKSQ/EKSR.............................................................38

Contents

8 IP degree of protection.............................................43

9 IK degree of impact resistance................................45

10 Mechanical/thermal loads........................................ 46

11 Standardisation and testing..................................... 47

12 Erector specifications............................................... 50

12.1 Protection against electric shock.................................................................................... 50

12.2 Mechanical load of cables................................................................................................ 51

12.3 Separation of different services....................................................................................... 51

12.4 Fire protection.................................................................................................................... 51

13 Equipotential bonding............................................... 52

14 Inter-unit working...................................................... 53

14.1 Inter-unit working - Screed work..................................................................................... 53

14.2 General information for screed layers............................................................................. 53

14.3 Inter-unit working - Floor covering work........................................................................ 53

14.4 Inter-unit working - Building cleaning............................................................................. 53

15 Sound protection and impact noise........................ 55

15.1 Impact noise reduction for floor installation systems....................................................55

16 Appendix.....................................................................56

16.1 Overview of floor installation systems - cable assignment........................................... 56

16.2 Reference sources of standards and specifications......................................................63

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Floor installation systems

FAQs

7 questions - 7 answers

To meet all the requirements during the planning phase, you should get to grips with these

7 questions. This ensures that you will obtain the right trunking system solution for your construction

project. The answers to your questions will provide you with the right solution for your construction

project. Starting with the right trunking system, the screed height, the floor coverings and their care

through to the installation units.

Floor installation systems

FAQs

Question 1: Which floor installation system is to be used?

– Screed-covered floor system

– Screed-flush floor system

– On-the floor system

– Cavity floor system

– Raised floor system

Question 2: How is the cable volume calculated?

Cable volume calculation (d²)

– Data/communication technology

– Multimedia technology

– Energy technology

Question 3: How high is the planned floor structure?

– Nominal screed thickness, incl. possible insulation layers

– Thickness of floor covering

Question 4: Which floor covering will be laid?

– Parquet

– Vinyl

– Linoleum

– Tiles/granite

– Carpet

Question 5: How will the floor covering be cleaned?

– Dry/moist cleaned

– Wet cleaned

Question 6: What are the maximum mechanical stresses that can occur?

– Standard

– Drive-over

– Heavy-duty

Question 7: Which supply and installation units are required?

– Size

– Number of installable devices

– Shape

– Material

Floor installation systems

FAQs

Answer 1: Which floor installation system is to be used?

A distinction is made between 5 standard floor systems. The appropriate floor system sets the course

from the very start. Depending on the system, only certain products may be used. Whether this is a

screed-covered trunking system, which is often used in new buildings, or an on-floor trunking system,

which is often used during renovations. The rough direction is entirely different. Specific solutions and

combination options are available for each system.

Using these aspects, it is possible to make a rough selection of the right trunking system.

Screed-covered trunking system

The screed-covered trunking system is suitable for all types of

screed. No matter whether composite cement, floating screed,

flowing screed or, with special precautions, also mastic as-

phalt / hot floor screed. The screed-covered trunking system

can be used in residential and functional buildings.

Screed-flush trunking systems

The screed-flush tehalit.BKB makes energy, data and commu-

nication connections available around the room. Besides its

adaptability to state-of-the-art technology, it is also open to any

form of interior design: It can be assigned with all kinds of dry

cleaned floors. Here, the height adjustment, which is accurate

to the millimetre, can offer a ‘smooth’ end - whilst the compre-

hensive range of fittings adapts exactly to any angle.

This height-variable system is used anywhere where it is not

clear how the ‘final installation’ will be and/or the highest level

of flexibility is desired. Trunking widths of up to 600 mm allow

the trunking to be used wherever high volumes of cables occur.

The shiny version of the screed-flush trunking is used in pro-

duction halls and in office and administration buildings. Its very

low height means that the trunking is also suitable for very flat

screed heights of 30 mm or more.

Floor installation systems

FAQs

On-floor trunking system

This trunking system is particularly suitable for renovations of

old buildings and the modernisation and expansion of build-

ing installations. The main areas of use are renovations of office

and administration buildings, as well as construction projects

requiring the rapid erection of electrical systems on already

completed floors. If it is not possible to install underfloor trunk-

ing in the screed due to building protections on static or mon-

ument protection grounds, then the on-floor trunking are rout-

ed on the floors. The robust on-floor trunking is also used in as-

sembly facilities, laboratories or industrial buildings.

Raised floor system

Open plan offices or large-area call centres divided up into

many computer workstations using partitions and which must

remain structured cannot avoid this flexible system. This al-

so applies to computer server rooms constructed with raised

floors, which offer the greatest possible flexibility through their

construction. In this way, completely networked power and da-

ta networks are integrated into showrooms or trade fair stands

which are rebuilt according to requirements.

Cavity floor system

In cavity floors, prefabricated lined bodies are laid out on the

raw ceiling and then cast with screed. In contrast to raised floor

systems, in which individual plates can be exchanged as re-

quired, a cavity floor is a closed screed plate on stilts. In a sim-

ilar manner to the raised floor system, wiring can be designed

very flexibly using plug and play systems.

Floor installation systems

FAQs

Answer 2: How is the cable volume calculated?

The cable volume is required to define the correct duct size. However, as, in practice, cables can nev-

er lay next to each other in a perfectly parallel and space-saving manner, the formula (d)² or the diame-

ter squared is used. The trunking should only be 50% full, to leave space for possible refitting later on.

This means that the cables can also be pulled through the trunking more easily.

In addition, it should be noted that, in this calculation, no floor tanks or outlets which might interrupt

the cable path are taken into account. In practice, power and data cables are routed separately in the

trunking. Separating webs divide the trunking up into multiple compartments. If this applies, then the

space requirements must be calculated for each compartment individually.

With stronger current loads of the cables, cable heating should be taken into account. In addition, all

the relevant regulations, such as DIN VDE 0100, must also be taken into account.

Floor installation systems

FAQs

Answer 3: How high is the planned floor structure?

The height of the planned underfloor system also has a key role to play in the planning and installa-

tion of underfloor cable systems. In particular, with screed-covered floors and screed-flush floor sys-

tems, this information is used to include the appropriate elements for height adjustment into the plan-

ning and installation. Different products and solutions are used, depending on the height.

Information

In general, the prescribed floor structure specifies the area available for the floor solution.

– Hinged cover with ultra-flat installation depth for a floor structure of 50 mm or more

– Standard supply units with floor covering recesses of 5 mm for a floor structure of 75 mm or more

– Standard supply units with floor covering recesses of 12 mm for a floor structure of 85 mm or more

– Stainless steel cassettes for a floor structure of 95 mm or more

Floor installation systems

FAQs

Answer 4: Which floor covering will be laid?

Often, the floor covering is specified in a construction project. It is stated whether there will be a car-

peted floor, laminate, parquet, tiles, stone, PVC or a linoleum covering. Each covering has a differ-

ent height. This means that not every covering fits in every installation unit. Three different heights are

available here. Supply units are available for smaller covering heights up to 5 mm or up to 12 mm and

stainless steel cassettes are available for heights of up to 23 mm.

PVC coverings are often only 3 to 4 mm thick. For such cover-

ings, and for thin carpets and linoleum, standard supply units

with a 5 mm frame height are ideal.

Carpeted floors and laminate generally have a thickness of 8

to 10 mm, whilst some laminate types with adhesive are thick-

er still. Here, standard frames of 10 mm height are insufficient.

Therefore, Hager offers, as the sole provider, standard supply

units with a 12 mm frame height. If the frame is too high, then

cover inlays of 1 to 2 mm can be inserted to support the floor

covering.

For coverings such as parquet or stone tiles, Hager can offer

stainless steel cassettes with a base recess of up to 23 mm

or up to 38 mm, according to the version. Even with very thick

floor coverings, this guarantees tidy work without bumps and

dips.

Floor installation systems

FAQs

Answer 5: How will the floor covering be cleaned?

The cleaning category is aligned to the type of floor covering. Carpeted floors are usually dry cleaned,

whilst tiles are normally moist or wet cleaned.

Dry cleaned and ‘moist cleaned’ floors

Floor coverings that can be vacuumed (e.g. carpeted floors) or

those which can be wiped over with moist but not wet clean-

ing devices (e.g. laminate) are combined as ‘dry cleaned floors’.

All the standard supply units, cable outlets and pedestals from

Hager can be used on such floors.

Wet cleaned floors

Floors subject to serious degrees of contamination - such as

stone floors in factory halls - must be wet cleaned using liquid

cleaning agents. For these ‘wet cleaned floors’, Hager can offer

‘water-tight’ system components, such as supply units with in-

tegrated water stream protection, which is offered in either alu-

minium or polyamide.

Floor installation systems

FAQs

Answer 6: Which mechanical stresses can occur?

Different load requirements occur, depending on the circumstances. In everyday office life, mechan-

ical stresses of up to 1500 N will generally occur. However, in public buildings, such as airports or

stations, this amount is usually incorrect. Daily work with luggage carts, cleaning machines or mo-

bile scaffolding increases the load. The ability to be driven on is often also a condition in car or other

showrooms. In assembly halls or warehouses, the mechanical stress is frequently greatly increased by

loaded forklifts or trucks.

1500 N Standard

All the supply units and stainless steel cassettes are designed

according to the standard for a mechanical stress of 1500 N.

These include all the supply units, all the stainless steel cas-

settes, screed-flush trunking, on-floor trunking, etc. This is fully

sufficient for the normal mechanical stresses of everyday office

life.

7500 N drive-on

VANR12 supply unit

The VANR12 supply unit is designed for increased mechanical

stresses. The supply unit is made of aluminium and can be dri-

ven over in a car.

20000 N heavy duty

The EKSQ405xx heavy duty cassette is used in car showrooms.

This stainless steel cassette is supported by a solid heavy du-

ty frame, thus offering sufficient stability for extremely high me-

chanical stresses.

Floor installation systems

FAQs

Answer 7: Which installation units are required?

Supply and installation units

To supply commercial buildings in a sensible manner, it is wise not to cut corners - with regards to

both energy and also information and data. The electraplan supply and installation units. VE-EEs can

cover any customer requirements. They are compatible with almost any electraplan floor installation

system and can be equipped with six to twelve connector boxes, according to requirements. The

supply units are available in a range of materials, shapes and colours. Each device casing can be

equipped variably: With protective contact sockets or support bar devices for network and multimedia

technology.

Polyamide supply unit

The standard material for supply units is polyamide. Polyamide frames can

withstand a load of up to 3 kN (DIN specification) - ideal for classic floor use.

Large selection for use with 6, 9, 10 or 12 socket outlets.

Aluminium supply unit

In conjunction with high-quality floor coverings - e.g. stone tiles - it is wise to

use aluminium supply units. They are not only more stable, but also provide a

more elegant floor appearance. Hager can offer aluminium units that can with-

stand mechanical stresses of up to 7.5 kN for strong loads in public buildings

- e.g. showrooms, stations or airports. Sizes: 2 sizes for use with 6 or 12 sock-

ets, for example.

Stainless steel supply units

Stainless steel supply units are particularly robust: They correspond to the DIN

mechanical stress specifications of 3 kN. As a heavy duty cassette, they can

even withstand mechanical stresses of up to 20 kN (see Page 48). A further

advantage: Thanks to their thin edge, they are barely noticeable in the floor - if

they are, then its due to their fine appearance. Sizes: 2 sizes for use with 6 or

12 sockets, for example.

Basic knowledge

Important note

This document explains the relevant principles for the installation of

floor installation systems and routing cables in these systems.

The contents of this document are based on the currently applicable

rules and regulations as well as our own test findings. No generally

applicable legal obligation shall be derived from the contents of this

document.

Basic planning principles

Requirements for installation technology

1 Basic planning principles

Fig. 1: Planning

1.1 Requirements for installation technology

When planning and selecting the floor installation system, the following points must be ob-

served with regard to the installation system requirements:

– Number of services (power, communication, data, multimedia)

– Filling factor of the electrical installation trunking

– Cable bend radii

– Reserve

– Concurrence factors

– Intended for indoor areas

1.2 Requirements from building conception

The following preconditions are to be taken into account on account of the use profiles of the

individual rooms or the overall building:

– Type of room (dry or wet)

– Floor covering version (dry or wet cleaned)

– Thickness of the floor covering

– Type and version of the screed

– Traffic loads

– Ambient temperature (interior, e.g. underfloor heating)

Basic planning principles

Requirements for organisation

1.3 Requirements for organisation

Areas of use and the specifications of the customer regarding installation technology (power, data,

communication, multimedia) must also be taken into account during the planning of a floor installation

system:

– Flexibility of use (e.g. light adjustment to changing use specifications)

– Easy changing of device equipment

– Use of fixed or portable installations

1.4 Requirements for security

Security and unauthorised access by third parties play an increasingly important role in the planning

and selection of a floor installation system. Therefore, in data infrastructure areas (e.g. computer cen-

tres), particular attention must be placed on security, which must be taken into account during plan-

ning.

1.5 Installation requirements / construction requirements

To be able to begin with the installation of a floor installation system, the following conditions

must be fulfilled:

– Approved and dimensioned routing plan, which specifies the position of all installation parts

– Project parts list with the materials to be used

– Information on the floor structure and floor covering

– A swept and approved raw construction ceiling in accordance with DIN 18 202 (tolerances in build-

ing construction)

– Cutting check data as reference point for the appropriate screed height

– Data on the traffic loads, fire protection measures and the impact noise

– Installation area must be free of rubble and outside materials

– There must be guaranteed protection against the influence of weathering and moisture

– Details on the minimum installation depth and floor cleaning of the installation units must be avail-

able

Trunking systems

Screed-covered trunking system

2 Trunking systems

A distinction is made between 5 standard floor systems. The appropriate floor system sets the course

from the very start. Depending on the system, only certain products may be used. Whether this is a

screed-covered trunking system, which is often used in new buildings, or an on-floor trunking system,

which is often used during renovations, the rough direction is entirely different. Specific solutions and

combination options are available for each system.

The following points, defined in the planning phase, are of decisive importance for the correct

selection of the right trunking system:

– Building type (office/administrative building, car showrooms, etc.)

– Building substance (new building, old building with/without protection)

– Building structure (single or open plan offices)

– Use practices (flexible for changes of use)

2.1 Screed-covered trunking system

Fig. 2: electraplan.UK screed-covered trunking system

The electraplan.UK floor installation system is quick and easy to install and is suitable for virtually all

types of screed. The underfloor trunking and floor boxes made from galvanised sheet steel, which of-

fers optimal protection against corrosion, are secured to the bare floor. Since the upper sections of the

basic profile are detachable, the cables can be placed into the trunking from above and do not need to

be pulled in. The screed is administered flush with the upper edge of the floor boxes such that the un-

derfloor trunking is covered. See catalogue!

Trunking systems

Screed-flush trunking systems

2.2 Screed-flush trunking systems

Fig. 3: tehalit.BKB / tehalit.BKG screed-flush trunking systems

The screed-flush tehalit.BKB makes energy, data and communication connections available around

the room. Besides its adaptability to state-of-the-art technology, it is also open to any form of interi-

or design: It can be assigned with all kinds of dry cleaned floors. Here, the height adjustment, which is

accurate to the millimetre, can offer a ‘smooth’ end - whilst the comprehensive range of fittings adapts

exactly to any angle.

Trunking systems

Screed-flush trunking systems

Fig. 4: electraplan.BK screed-flush trunking systems

This height-variable system is used anywhere where it is not clear how the ‘final installation’ will be

and/or the highest level of flexibility is desired. Trunking widths of up to 600 mm allow the trunking to

be used wherever high volumes of cables occur. This screed-flush trunking is used in a shiny version

in production halls, but also in office and administrative buildings with trunking covers with floor cover-

ing stuck on. Its very low height means that the trunking is also suitable for very flat screed heights of

30 mm or more.

Trunking systems

On-floor trunking system

2.3 On-floor trunking system

Fig. 5: electraplan.AK on-floor trunking system

For renovated properties or listed buildings, on-floor trunking is the perfect solution. Thanks to the

range of moulded parts available for it, the electraplan.AK system is easy to assemble. Blind covers

are screwed to the lower sections of the trunking; these blind covers are angled towards the floor and

flooring can be laid over them. Installation apertures in the cover allow installation units, supply units,

floor connection columns or on-floor pedestals to be installed. See catalogue!

Trunking systems

Raised floor installation system

2.4 Raised floor installation system

Fig. 6: electraplan.DB raised floor installation system

Open plan offices or large-area call centres divided up into many computer workstations using par-

titions and which must remain restructurable cannot avoid this flexible system. This also applies to

computer server rooms constructed with raised floors, which offer the greatest possible flexibility

through their construction. In this way, completely networked power and data networks are integrated

into showrooms or trade fair stands which are rebuilt according to requirements.

Trunking systems

Cavity floor installation system

2.5 Cavity floor installation system

Fig. 7: electraplan.HB cavity floor installation system

In cavity floors, prefabricated polystyrene or plastic shells are laid out on the raw ceiling and then cast

with screed. In contrast to raised floor systems, in which individual plates can be exchanged as re-

quired, a cavity floor is a closed screed plate on stilts.

In a similar manner to the raised floor system, wiring can be designed very flexibly using plug and play

systems.

Basic principles of screed

Screed structure

3 Basic principles of screed

3.1 Screed structure

The screed structure is a key precondition for the correct installation of underfloor systems. With

screed-covered floor systems, it is essential that the screed thickness above the trunking corresponds

to the value stated in the standard, in order to avoid crack formation.

The screed is located above the load-bearing storey ceiling or above the floor plate and beneath floor

covering.

The nominal screed thickness is dependent on the insulating layer, the individual load and the screed

type. Refer to DIN EN13813 for more information on the nominal screed thickness.

The minimum nominal thickness

is regulated according to the hardness class (DIN EN 13813) for per-

pendicular payloads ≤ 2 kN/m².

Under some circumstances, chemical or thermal loads may occur, which require additional measures

to protect the installed system.

The electraplan.BK screed-flush duct systems and the BKSA underfloor sockets only receive their load

capacity for correct use through being joined with the adjacent screed.

For this reason, the following points are important and must be observed:

– After the trunking system has been permanently installed on the raw concrete, then the system may

no longer be walked on or subjected to similar loads

– The trunking system must form a composite system with the adjacent screed

With electraplan.BK, the following points must be particularly observed:

– The side profiles need to be supported with screed, in order to achieve a good static support in the

screed. The screed is to be carefully worked and compacted

– The opened duct system may neither be walked on nor subjected to similar loads. Measured for the

necessary protection must be taken in agreement with the construction management

Fig. 8: General floor structure

Raw ceiling / concrete plate

Thermal insulation (e.g. polystyrene)

Impact noise insulation

For greater payload and surface loads, appropriately higher minimum nominal thicknesses apply

Basic principles of screed

Screed work

PE film

Cement screed with underfloor heating

Floor covering

3.2 Screed work

Trunking and accessory parts only obtain their full load capacity for correct use through the

fixed composite with the screed. For this, the following preconditions are of importance:

– The trunking system must be sealed before screed is applied

– All the system elements are permanently anchored on the raw ceiling

– The installed duct system may neither be walked on nor subjected to any other loads

– Any hollow spaces created must be filled with screed

– The trunking system may only be subjected to loads after the screed has hardened and must be

blocked off prior to this

– Screed deformations and shrinkages must be observed in advance

With screed-covered trunking, it is essential that the screed thickness above the trunking corresponds

to the value stated in the standard, in order to avoid crack formation.

The nominal screed thickness is dependent on the insulating layer, the individual load and the screed

type. For more detailed information on screed types and the nominal screed thickness, refer to DIN EN

13318, DIN EN 13813, DIN EN18560. Here, under certain circumstances, chemical or thermal impacts

may occur, which may require additional measures to protect the installed system.

Screed-flush trunking (BKF/D and BKW/D) and floor boxes (UDHx,UDBx, UDSx) must be levelled to

the intended height before screed laying (construction side height line). The screed layer should check

the levelling height.

Smooth and compress screed well on the screed-flush trunking and floor boxes (no insulating strip).

Only this achieves the required load capacity.

The BKB/BKG screed-flush trunking system is decoupled from the screed using an insulating strip, as

it could otherwise lead to damage to the screed and/or floor covering.

3.3 Screed types

When selecting the screed structure, it is necessary to clarify which screed mortar types are possible

for the application. There are difference types of screed mortars.

Flowing screed:

Before screed application, these tasks must be observed and completed:

The trunking system and boxes are to be weighed down →Floating of the screed

The trunking system and boxes are to be sealed against the ingress of flowing screed and protect-

ed on the construction side

Side profiles and film must be covered with sufficient screed

Avoid cavities

Aggressive screed:

When using aggressive screed types, all the metal parts must be insulated during construction using

a chloride and alkali-free bitumen layer or other suitable means (VOB Part C).

Basic principles of screed

Screed types

Corrosion:

Corrosion on metallic underfloor components is reduced to a minimum when ...

– The maximum moisture content of screeds corresponds to DIN EN 1264-4.

– Underfloor ducts are ventilated sufficiently for drying.

Hot floor screed:

Screed-flush trunking systems and boxes may not come into direct contact with the hot screed

mass. With film lining, there must be an approx. 10 cm-thick layer of cement screed, for example,

by the components for heat insulation. With metal lining and floor troughs, waterproofed corrugated

card, for example, can be used for insulation. Screed-covered ducts must be protected against the

hot screed mass with 2 - 3 layers of waterproofed corrugated card.

Note!

Avoid cavities!

Hager is not liable for any damaged cause by improper installation on the duct system or

the floor box in conjunction with hot screed!

Expansion pressure of the screed plate:

According to the size of the screed plate and the composition of the screen, it is possible that the

boxes may press against the electraplan.BK duct whilst the screed is hardening. For this, Hager can

offer a matching self-adhesive foam rubber strip (BKZM203), which is fitted in the upper profile area,

in order to reduce the expansion pressure of the screed plate on the duct. The use of the foam rub-

ber strip must be agreed with the screed layer.

Floor structure

Floor structure 50 mm

4 Floor structure

A decisive criterion in the correct selection is the floor structure. The screed height specifies the

amount of play for the underfloor installation. Different products and solutions are used, depending

on the height. It is ever often the case that the screed height is even thinner for reasons of cost. Hager

can offer a range of finished solutions for this. However, should the screed height be extremely low,

then special, project-related special solutions can be provide assistance here.

Fig. 9: Floor structure

4.1 Floor structure 50 mm

Fig. 10: Floor structure 50 mm

The two hinged covers KDQ08x and KDE04x

were developed specially for the requirements, in

which only a screed height of 50 mm or more is

available.

Thanks to their horizontally arranged socket out-

lets in the GBES2x device casing, the hinged

covers are suitable anywhere where the screed

height is only very low. Special solutions can al-

so be used to install data technology in the two

hinged covers.

Floor structure

Floor structure 75 mm

4.2 Floor structure 75 mm

Fig. 11: Floor structure 75 mm

From a screed height of 75 mm, standard sup-

ply units with device carrier of type GTVR400,

GTVR300 can be used for socket outlets or

GTVD300, GTVD200 for data technology.

Here, a large selection of sizes and combination

options are available.

4.3 Floor structure 105 mm

Fig. 12: Floor structure 105 mm

Stainless steel cassettes can be used with floor

structure heights of 105 mm or more. The stain-

less steel cassettes can be equipped with the

standard device carriers in the same way as the

supply units.

Here too, there is a large selection of sizes and

combination options. If a higher mechanical

stress is required, the heavy duty variant is avail-

able in the same sizes

Information on the floor covering and for the floor layer

Information on the floor covering

5 Information on the floor covering and for the floor

layer

5.1 Information on the floor covering

When selecting the floor covering materials, it should be noted that floor installation systems are sub-

ject to the impacts of payloads and must be classified using testing loads of 500 N up to 20,000 N, in

accordance with DIN EN 500 85.

In so doing, dynamic bending of up to 6 mm and residual deformations of up to 3 mm shall not be

considered faults. Evennesses for finished floors according to DIN 18202 Tab. 3, Line 3 are to be ob-

served.

Self-carrying layer thicknesses for facing concrete, artificial resin, mastic asphalts, as well tiles or nat-

ural stone can therefore prevent later crack formation of the covering with changing dynamic loads.

Even small bends can cause damage to thin, hard floor coverings, such as tiles. Thick floor coverings,

such as granite plates, increase the load capacity of the underfloor system, producing a more benefi-

cial load distribution.

5.2 Information for the floor layer

The floor covering, carpet, tiles, laminate, etc. to be laid must be installed correctly according to

VOB Part C/DIN 18352, DIN 18353 and DIN 18365. In addition, possible trip points must be avoid-

ed using suitable measures, in accordance with the Workplaces Ordinance ArbStättV ASR A1.5/1.2

Floors of the German Federal Institute for Occupational Safety and Health.

Preconditions for laying floor coverings

Before the floor covering can be laid, the following conditions must be fulfilled:

Dust and dirt must be removed from the floor ducts and universal floor boxes, in order to improve

the adhesion of the floor coverings.

Coverings made of wooden materials for covers must be treated on both sides, so that they do not

warp. With single-sided adhesion, use double-sided carpet tape.

With many wooden materials, it is wise to plan for expansion joints, which compensate for expan-

sion and also shrinkage. These are then located, for example, along the side walls of the floor trunk-

ing and on outer frames of cassettes.

With floor coverings, observe the course of the surface structure.

Long-pile floor covers can get in the way when inserting the trunking upper part.

Laying floor covers on BKB / BKG ducts

When laying floor coverings on BKB and BKG trunking, particular attention must be placed to

these two points:

With hard floor coverings, such as wood or tiles, expansion joints must be planned for.

With floor coverings that tend to fray, the edges should be sealed.

Laying floor covers on BKF(D) / BKW(D) ducts

– A covering joint cover (BKZBSA7011) is recommended for lightly fraying textile floor coverings rather

than a covering joint edge. These are available in 2.4 m lengths.

– Use the cut floor covering to lay the trunking cover.

– Work hard floor coverings, such as wood or tiles, up to the inner side of the plastic profile.

Information on the floor covering and for the floor layer

Information for the floor layer

– With hard floor coverings, such as wood or tiles, provision for expansion joints must always be giv-

en.

– A PVC floor covering can be welded to the covering joint edge.

Special features for cassettes with covering joint edge

– Work hard floor coverings, such as wood or tiles, up to the cassette which has already been insert-

ed.

– Always plan for an expansion unit to the supply unit. With hard coverings, an expansion joint should

also be planned in the cover flap.

Determining the cable volume

6 Determining the cable volume

A key point in the selection of the correct trunking is the cable volume, i.e. the quantity of cables that

must be routed in the trunking. As cables cannot usually be routed in an absolutely straight line on ac-

count of their properties (mostly sold from reels), cables can thus not be located close together and in

parallel in the duct system.

Fig. 13: Cable volume

To calculate the cable volume, not only the cable diameter must be used as a basis, but the formula

(d)² must be included as a basis for calculation.

Fig. 14: Determining the cable volume

On the next page, we have listed the space requirements/duct cross-section for the most common

duct types.

Note!

The listed values are average values, which can vary from manufacturer to manufacturer.

Refer to the manufacturer’s data for the exact values.

Determining the cable volume

Bend radii

Use the following table for the correct selection of the trunking size. In addition, these factors

from the current DIN/VDE standards must be observed:

– Usable cross-section of the trunking

– Filling factor

– Heating up of the routed cables

– Separation of heavy and weak current

– Bend radii

Art. number Art. designation Width

[mm]

Height

min

[mm]

Height

max.

[mm]

Trunking cross-

section

[cm²]

[1]

Max. cable as-

signment Ø 11

mm Filling lev-

el 0.5

[1]

AKU1500401 On-floor trunking base 150 40 X 60 24

BKF400105 On-floor trunking, screed-

flush with the film

416 105 150 540 223

BKW200060 On-floor trunking, screed-

flush with the trough

216 60 100 88 36

BKFD150065 On-floor trunking, screed-

flush with the film/sealing

option

170 65 110 121 50

BKWD200090 On-floor trunking, screed-

flush with the trough/sealing

option

220 90 130 143 59

BKBD30080 Screed-flush floor trunking

with brush

300 80 X 240 70

BKGD30060 Screed-flush floor trunking,

closed

300 60 X 154 61

UK340483 Underfloor trunking, 3-com-

partment, screed-covered

340 48 X 163 65

Table 1: Trunking size/trunking cross-section/number of cables

Note!

Further details on Table 1 can be found in the Appendix.

6.1 Bend radii

Bend radii

Bend radii are dealt with in the standard VDE 0298 (Part 3) and must be complied with when routing

cables in floor installation systems.

[1]

Values are rounded

[1]

Internal levelling

Determining the cable volume

Cable volume of most common installation cables

6.2 Cable volume of most common installation cables

Cable volume of most common installation cables

Jacketed cable, rigid

Designation External diameter [mm] Bending radius Cable volume [cm²]

NYM-J 3G1.5 8.4 4xD 0.71

NYM-J 3G2.5 9.6 4xD 0.92

NYM-J 3G4 11.3 4xD 1.28

NYM-J 3G6 12.8 4xD 1.64

NYM-J 3G10 14.7 4xD 2.16

NYM-J 3G16 19.0 4xD 3.61

NYM-J 5G1.5 10.0 4xD 1.00

NYM-J 5G2.5 12.0 4xD 1.44

NYM-J 5G4 14.0 4xD 1.96

NYM-J 5G6 15.5 4xD 2.40

NYM-J 5G10 19.5 4xD 3.80

NYM-J 5G16 23.4 4xD 5.48

Table 2: Cable volume, jacketed cable, rigid

Jacketed cable, flexible

Designation External diameter [mm] Bending radius Cable volume [cm²]

H05VV-F 3G1.5 8.2 3xD 0.67

H05VV-F 3G2.5 9.8 3xD 0.96

H05VV-F 5G1.5 10.2 3xD 1.04

H05VV-F 5G2.5 13 3xD 1.69

Table 3: Cable volume, jacketed cable, flexible

Determining the cable volume

Cable volume of most common installation cables

Note!

The data for the external diameter and cable volume is estimates and is rounded. Refer to

the manufacturer’s data for exact details.

IT data cables

Designation External diameter [mm] Bending radius Cable volume [cm²]

Cat 5e - 1x4xAWG 22/7, shielded 6.5 4xD 0.42

Cat 6 - 4x2xAWG 23/1, shielded 7.4 4xD 0.55

Cat 6 - 4x2xAWG 23/1, unshielded 6.4 4xD 0.41

Cat 6a - 4x2xAWG 23/1, U/UTP 6.4 4xD 0.41

Cat 6a - 4x2xAWG 23/1, U/UTP 7.2 4xD 0.52

Cat 6a - 4x2xAWG 23/1, F/FTP 7.5 4xD 0.56

Cat 6a - 4x2xAWG 23/1, S/FTP 7.4 4xD 0.55

Cat 7a - 4x2xAWG 22/1, S/FTP 8.6 4xD 0.74

Cat 7a - 4x2xAWG 26/7 flex, S/FTP 5.8 4xD 0.34

Cat 6 - 2x(4x2xAWG 23/1), shielded 7.4 x 15.0 4xD 11.10

Cat 6 - 2x(4x2xAWG 23/1,) unshielded 6.4 x 12.8 4xD 8.19

Cat 6a - 2x(4x2xAWG 23/1), U/UTP 7.4 x 15.0 4xD 11.10

Cat 6a - 2x(4x2xAWG 23/1), F/FTP 7.5 x 15.2 4xD 11.40

Cat 6a - 2x(4x2xAWG 23/1), S/FTP 7.4 x 15.0 4xD 11.10

Cat 7a - 2x(4x2xAWG 22/1), S/FTP 8.6 x 17.5 4xD 15.05

Table 4: Cable volume, data cables

Determining the cable volume

Cable volume of most common installation cables

Fibre optic cables

Designation External diameter [mm] Bending radius Cable volume [cm²]

Inner cable 1x6 6.5 15xD 0.42

Inner cable 1x8 6.5 15xD 0.42

Inner cable 1x12 6.5 15xD 0.42

Inner cable 1x24 7 15xD 0.49

Inner cable 2x12 8.3 10xD 0.69

Inner cable 4x12 8.6 10xD 0.74

Inner cable 6x12 8.6 10xD 0.74

Inner cable 8x12 9.9 10xD 0.98

Inner cable 12x12 11.4 10xD 1.30

Duplex cable 2x1 5.6 x 3.2 5xD 1.79

Table 5: Cable volume, fibre optic cables

Note!

The data for the external diameter and cable volume is estimates and is rounded. Refer to

the manufacturer’s data for exact details.

Further details on the trunking area and cable volume can be found in the ‘Appendix’.

Power supply and device installation units

Supply units VQ/VE/VR

7 Power supply and device installation units

Supply units VQ/VE/VR

The supply units are the tried-and-trusted solution for office installations with carpeted floors. They are

available in plastic or metal. The solution is not connected to the substrate, but is clamped to the UDB

floor box or directly onto the screed using the universal fastening claw.

Fig. 15: VQ supply unit with carpet Fig. 16: VQ supply unit with carpet in cross-section

Supply units

Forms

Nominal sizes Q12, R12, R10, E09, Q06, R06,

Number of socket outlets 12,10,9,6

Floor covering depth 5 mm, 12 mm

Design Blank, cable outlet

Minimum installation depth 67mm, 75mm, 77mm, 85mm

Material Plastic/stainless steel

Colours RAL 7011, RAL 9005, stainless steel

Table 6: Overview of supply units

Power supply and device installation units

Stainless steel cassette EKQ/EKR/EKSQ/EKSR

7.1 Stainless steel cassette EKQ/EKR/EKSQ/EKSR

The cassettes can be levelled to be flush with the height of the floor and can be completely decoupled

from the socket base. Cassettes are particularly suitable for floor coverings like tiles or parquet. Vari-

ous versions are available for dry/moist and wet cleaned floor coverings. The stainless steel cassettes

offer continuous quality and also look attractive.

Levellable stainless steel cassettes for dry or moist cleaned floors are available in two versions. The

minimum installation depth from the top edge of the finished floor is 100 mm for the blank stainless

steel cassette and between 105 and 115 mm for stainless steel cassettes with device casing. The de-

vice casings can be lowered in stages down to 18 mm and a mounting device for a locking extension

is possible.

Fig. 17: VE supply unit with tiles Fig. 18: VQ supply unit with tile in cross-section

Supply units

Forms

Nominal sizes Q12, R12, Q06, R06

Number of socket outlets 12.6

Floor covering depth 23mm, 38mm

Version Blank, cable outlet, cone

Minimum installation depth 100mm, 105mm, 115mm

Material Stainless steel

Table 7: Overview of stainless steel cassettes

Power supply and device installation units

Wet-cleaned supply units VANR

Supply units

Colours Stainless steel

Table 7: Overview of stainless steel cassettes

Wet-cleaned supply units VANR

Fig. 19: Supply unit VANR

The VANR wet-cleaned supply units are suitable for greater me-

chanical stresses, such as car showrooms, and especially for

floor coverings such as tiles or stone floors. The supply units

are made of aluminium and are available with various cover ver-

sions.

Supply units

Forms

Nominal sizes R12, R02

Number of socket outlets 12.6

Floor covering depth 3 mm, none

Version Tube

Minimum installation depth 90 mm

Material Aluminium

Colours Aluminium, Aluminium/RAL9005, Aluminium/Aluminium

Table 8: Overview of wet cleaned supply units

Power supply and device installation units

UD floor box set UDKPQ

Fig. 20: UD floor box set UDKPQ

The UD floor box set series is supplied as a complete installa-

tion unit. The installation unit consists of a floor box as a screed

lining and either a stainless steel cassette or supply unit for de-

vice installation. The individual elements for device installation

are included in the scope of delivery. The floor box is installed

directly on the raw concrete and connected with flexible in-

stallation tubes. In addition, if necessary, the floor tank can be

combined individually from the individual parts and assembled

on the construction site.

Supply units

Forms

Nominal sizes Q06

Number of socket outlets 6

Floor covering depth 5mm, 15 mm

Design Cable outlet

Minimum installation depth 95mm, 100mm

Material Plastic/stainless steel

Colours Stainless steel, RAL 7011, RAL 9005

Table 9: Overview, UD floor box set

Power supply and device installation units

Floor socket outlets BSR02

Fig. 21: Floor socket outlets BSR02

The BS floor socket outlets are particularly suitable where aes-

thetics, a high load capacity and versatile functionality are re-

quired.

Handling is both safe and simple: Insert the pipelines into the

installation space. The installation space is closed with a cover.

The installation box of the floor socket outlets is pre-equipped

with two sockets outlets. Next to the socket outlets, there is

space for a maximum of two connection sockets for network

applications.

Supply units

Forms

Nominal sizes R02

Number of socket outlets 2

Floor covering depth None

Design Cable outlet, cone

Minimum installation depth 86 mm

Material Plastic, die-cast zinc

Colours Old copper, old brass, silver, RAL 7011, RAL 9005

Table 10: Overview, floor socket outlet BS

Power supply and device installation units

Hinged cover for flat floor mounting KDQ/KDE

Fig. 22: Hinged cover for flat floor structure

Special solutions are required for low assembling heights. The

KDQ/KDE series contains hinged covers special for very flat

floor mountings.

With the help of a special socket outlet GBExx, this series can

allow power supplies, even with a floor mounting of 50mm of

more.

Supply units

Forms

Nominal sizes Q08, E04

Number of socket outlets 8/4

Floor covering depth 5mm, 8mm, 12mm

Design Blank, cable outlet

Minimum installation depth 50 mm, 60 mm

Material Plastic

Colours RAL 7011, RAL 9005

Table 11: Overview, hinged cover for flat floor structure

IP degree of protection

8 IP degree of protection

The IP degree of protection of floor installation systems is tested and categorised according to EN

50085-2-2 and the type of floor care according to EN 60529. Floor installation systems are only in-

tended for use in interior areas.

The supply unit is tested in its used and unused states to determine the degree of protection. All the

duct systems and supply units must fulfil at least the IP 20 degree of protection in the used and un-

used states.

In addition to the categorisation of the IP degree of protection, with wet cleaning, it must be ensured

that, in the used state, all the openings through which cables exit must be at least 10 mm above the

floor surface.

The floor covering cleaning type - dry, moist, wet - is the decisive factor in the selection of the suitable

supply unit.

Dry cleaning

Dry cleaned floors are primarily textile floor covers, which are cleaned by sucking up the dirt (with

small amounts of liquids or completely without). Should a cleaning solution be used, then it must be

dosed as low as possible, in order to prevent puddle formation or the floor covering being soaked

through.

Moist cleaning

Smooth floor coverings such as linoleum, PVC, laminate, parquet or polished stone floors fulfil the re-

quirements for moist care of the floor covering. The building cleaning trade defines this type of floor

covering as a manner of binding dust with moistened or prepared cleaning textiles.

Wet cleaning

Wet cleaning is primarily used with stone coverings, tiles, ceramic floors, linoleum and PVC. This type

of cleaning removes particularly tough and sticky contamination. In so doing, as much cleaning liquid

is applied in the first cleaning operation with cleaning textiles as is required to soften contamination

and release it. In a second operation, this liquid is wiped up again, together with the contamination,

using cleaning textiles.

IP 2 3

Against the ingress of solid

foreign bodies

Against ingress of

liquids

Fig. 23: Arrangement of IP code

IP degree of protection

Component Digits or letter Meaning for the protection

of the resource

Meaning for the protection

of people

Code letters IP - -

First code digit Against the ingress of solid

foreign bodies

Against access to dangerous

parts with

0 Not protected Not protected

1 ≥ 50 mm diameter Back of the hand

2 ≥ 12.5 mm diameter Finger

3 ≥ 2.5 mm diameter Tool

4 ≥ 1.0 mm diameter Wire

5 dust-protected Wire

6 Dust-tight Wire

Second code digit Against the ingress of water

with hazard impacts

0 Not protected

1 Vertical droplet

2 Droplet (15° incline)

3 Spray water

4 Splash water

5 Water jet

6 Strong water jet

7 Temporary immersion

8 Continuous immersion

9 High pressure and high water

jet temperature

Table 12: Components of the IP code and their meaning

Further technical information on floor installation systems and their protection classes can

be found in the document 6LE003421A_Schutzarten_Technische Information_de_02-24

The document is available in the download area on our homepage www.hager.de.

IK degree of impact resistance

9 IK degree of impact resistance

The IK code according to (DIN) EN 50102 is a dimension for knock and impact loads. The IK code

specifies the maximum mechanical load of housings of electrical resources/equipment.

Mechanical/thermal loads

10 Mechanical/thermal loads

Mechanical and thermal loads (load) are forces impacting on the floor installation duct system from

outside. With improper installation and use, mechanical forces can cause deformations and destruc-

tion. Thermal forces, cause by excessive sunlight and/or heated screeds, cause the installed materials

to expand. This can lead to crack formation.

Loads and their impacts on installation systems

Floor installation systems are subjected to the typical traffic loads in the building. They must withstand

the mechanical stresses occurring at the place of use and, in so doing, maintain their function

The loads can be triggered by different factors:

– Being walked over by people

– Stands of office furniture

– Loads from vehicles and means of transport

The load is applied directly to the floor or the entire ceiling construction. This means that the load also

has a direct influence on the installation floor installation systems.

Standardisation and testing

Standardisation

11 Standardisation and testing

Standardisation

The EN 50085 series of standards specifies the general requirements for electrical installation duct

systems. In particular, Part 2-2 describes the requirements for floor installation systems and took ef-

fect in July 2009.

The standard is divided up into two sections:

– Erector specifications

The electrical installation engineer is usually responsible for compliance with the requirements de-

scribed in the erector specifications.

– Device testing specifications

The device test specifications specify the testing criteria of the products/devices. The manufacturer

of the products/device is responsible for compliance with it.

Device testing specifications

- Define the function of the product/device

- Define the load capacity of the product/device

- Define the area of use of the product/device

- Are primarily responsible for the safety of the product/device (e.g. protection against electric

shocks)

Classification of floor installation systems

EN 50085-1, as a general section for electrical installation trunking systems, and EN 50085-2-2, as a system-specific sec-

tion for floor installation systems, prescribe a classification of the products.

This standardises product properties across Europe. For the first time, a standard for installation systems has also been giv-

en an optional load test for vertical loads that impact over a large area (heavy duty).

Classification according to EN 50085-1

6.1 Based on material

6.2 Based on impact resistance

6.3 Based on temperature

6.4 Based on resistance to flame propagation

6.5 Based on electrical conductivity

6.6 Based on electrical insulating properties

6.7 Based on degrees of protection afforded by housing/casing in accordance with EN 0529:1991

6.8 Based on protection against corrosive or contaminated substances

6.9 Based on fastening type for system duct cover

06:10 h Based on electrical protection separation

Classification according to EN 50085-2-2

6.101 Based on type of floor care

6.102

Based on resistance to vertical loads applied to a small area (Ø +/-13 mm)

6.103

Based on resistance to vertical loads applied to a large area (Ø +/-130 mm)

Table 13: Classification according to EN 50085

Testing

Load testing of electrical installation duct systems

Electrical installation duct systems for electrical installations must conform with the standard (DIN) EN

50085-2-2.

Standardisation and testing

Testing

The standard states that electrical installation duct systems must possess sufficient mechanical stabil-

ity.

Load capacity for screed-flush duct systems (BK) and their installation units

(DIN) EN 50085-2-2 defines load classes for two applications.

Tests are carried out according to:

–

6.102 with a stamp (Ø13 mm) for standard applications(Bild, left)

–

6.103 with a plate (Ø 130 mm) for high loads (Bild, right)

D - Diameter 13.3 ± 0.1 mm D - Diameter 130 ± 0.5 mm

Table 14: Test die (left) / test plate (right)

Standardisation and testing

Testing

Testing Load class (DIN) EN 50085

6,102.1 500 N

6,102.2 750 N

6,102.3 1000 N

6,102.4 1500 N

6,102.5 2000 N

6,102.6 2500 N

Standard application (tested with test

die Ø13 mm)

6,102.7 3000 N

6,103.1 2000 N

6,103.2 3000 N

6,103.3 5000 N

6,103.4 10000 N

High load (tested with a test plate Ø130

mm)

6,103.5 15000 N

Table 15: Load classes according to (DIN) EN 50085-2-2

Note!

The testing of the floor installation systems with high load requirements may be dealt with

in the standard (DIN) EN 500085-2-2, but the bending during the test (6 mm) permitted in

the standard and that after the test (≤ 3 mm) is not practical. Bending of this magnitude in-

evitably leads to damage to hard floor coverings (e.g. tiles).

Load capacity of screed-covered floor installation systems

Screed-covered duct systems are only subjected to a load during the installation phase. After this,

ducts are “protected” by the screed layer and the traffic loads are distributed across the screed.

In general, it is considered that all screed-covered duct systems must be constructed in such a way so

as to be stable enough to withstand the loads occurring on the construction site during storage, trans-

port and processing.

Further technical information on floor installation systems and their protection classes can

be found in the document 6LE003421A_Schutzarten_Technische Information_de_02-24

The document is available in the download area on our homepage www.hager.de.

Erector specifications

Protection against electric shock

12 Erector specifications

The erector specifications according to DIN VDE describe a wide range of points, which the electrician

must observe and comply with during the construction and installation of the floor installation systems.

The erector specifications are particularly important for:

– Safety (protection against electric shock)

– Maintenance of function - function maintenance

– Electromagnetic compatibility

– Fire protection

The following section explains some of the key points from the erector specifications:

12.1 Protection against electric shock

For the erection of a cable system with electrical installation duct systems, multiple standards

from the VDE 0100 series are important, in particular:

– DIN VDE 0100-410:2018-10, which describes the protection measures for protection against electric

shock, as well as

– DIN VDE 0100-520:2013-06, which describes the selection and erection of cable systems.

Electrical installation duct systems are a component part of the cable system

(Section 520.3.1 in DIN VDE 0100-520) and thus of the electrical installation. They are thus not covered

by Section 411.3.1.2 of DIN VDE 0100-410.

In Section 410, DIN VDE 0100-410 refers to DIN EN 61140 (VDE 0140-1), which, as a basic safety

standard, describes the shared requirements for protection against electric shock for electrical sys-

tems and resources. Accordingly, the basic rule of protection against electric shock is that dangerous

active parts may not be touchable and touchable, electrically conductive parts, may not become dan-

gerous active parts, neither under normal conditions, nor under conditions of individual errors.

In addition, it describes that safety measures against electric shocks must consist of a suitable com-

bination of two independent protective measures - of a basic protection measure and an error protec-

tion measure.

In a cable system, a basic protection measure would typically be basic insulation (e.g. wire insulation)

or a protective housing.

An error protection measure is frequently the automatic switch-off of the power supply (Section 411)

or double insulation (Section 412).

Table A.52.1 of DIN VDE 0100-520 defines that insulated cables (wire cables) may only be used in the

electrical installation duct systems to be opened (including underfloor systems) if the duct system of-

fers at least the protection rating IP4x and can only be opened with a tool. Jacketed cables can be

used without restrictions.

In addition, Section 526.5 of DIN VDE 0100-520 defines that electrical connections must be made in

suitable jacketing (e.g. boxes or in resources, if planned).

Metallic duct systems must be included in the safety measures and the equipotential bonding. This

guarantees protection against electric shock according to DIN VDE 0100-410 and electromagnetic

compatibility (EMC) according to EN 50310, EN 50173, EN 50174-2.

Erector specifications

Mechanical load of cables

12.2 Mechanical load of cables

According to DIN VDE 0298, specific values for strain relief and bend radii may not be undershot dur-

ing the routing of heavy current cables and data cables. The standard also describes the permitted

types of fastenings of cables using clips and their strain reliefs.

12.3 Separation of different services

DIN VDE 0100-520 states that cables of different voltage classes may only be installed together in

a routing system if all the cables have protective insulation against the highest occurring voltage.

Separating webs can be used to separate the different cables, as can the guarantee of a sufficient

spacing.

12.4 Fire protection

The avoidance of fires, particularly in public buildings, is the main aim of fire protection. The spread of

fire and particularly of smoke into other fire sections must be prevented with all the means available for

a sufficiently long period of time. This provides the opportunity to take escape, rescue and extinguish-

ing measures.

Fire protection measures should be taken on duct systems connecting/crossing fire sections, escape

and rescue routes. The directives for cable systems (M)LAR system floors (M)SysBör regulate this in

more detail.

The main causes for a fire on heavy current cables are:

– Incomplete short circuits or ground faults, e.g. on mechanically or thermally damaged cables

– Incorrect electrical connections, e.g. through a loose contact

– Heat build-ups

Equipotential bonding

13 Equipotential bonding

The certified floor installation system must offer the option of being included in the equipotential bond-

ing.

All the Hager underfloor cable duct systems are constructed in such a way that the connection and in-

clusion in the equipotential bonding is possible without major work.

The earthing clamp BKZSAK00 is used to include the duct system in the equipotential bonding. The

earthing clamp is inserted in the existing grooves and screwed tight. The terminal area is designed for

a conductor cross-section of up to 4 mm².

Touchable, electrically conductive electrical installation duct systems are not included in the protective

equipotential bonding (see Section 411.3.1.2 of DIN VDE 0100-410) and thus are not to be used as an

error protection measure. However, they can, for example, for EMC reasons, be included in the func-

tional equipotential bonding or in the additional protective equipotential bonding and in the lightning

protection equipotential bonding.

Conversely, this means that the resources installed within the electrical installation duct system must

automatically fulfil the requirements for basic protection and error protection. This also includes the

cable systems according to DIN VDE 410 Section 412.2.4.

The floor installation system is an electrical installation duct system and does not fulfil the require-

ments for double insulation (VDE 0100-410 Section 412). This means that the use of conductors with

basic protection (e.g. H07V-K) is not permitted. At least jacketed cables (e.g. NYM-J) must be used,

which end or are connected in suitable jackets (e.g. in boxes or in resources). Strain relief must always

be provided.

Inter-unit working

Inter-unit working - Screed work

14 Inter-unit working

On today’s construction sites, inter-unit working is a matter of course and the associated intensive

communication with the neighbouring units essential.

For this reason, we at Hager recommend, at the beginning of the construction phase and in agreement

with the construction management, co-ordination between electricians and the conterminous inter-unit

working, in order to guarantee a flawless procedure for installing the floor installation system and the

quality of the entire construction section.

14.1 Inter-unit working - Screed work

Screed-flush cable duct systems and the connector boxes of the screed-covered duct system are a

binding draw-off gauge for the screed. The levelling height of the system components is aligned to the

structural specifications of the construction management (observe the cutting check).

The screed layer must work, compact and draw off the screed carefully in the area of the connector

boxes and cable trunking. Screed can be destroyed through crack formation. Screed-flush systems

and system components may not be subjected to loads before the screed has finally hardened, in or-

der to avoid crack formation in the screed.

14.2 General information for screed layers

The duct system levelled to the target screed height and the levelled floor boxes may not be subject to

a load, walked on or opened before the target screed stability is reached. With covers with snap fas-

tenings, the transport lock screws of the cover may only be removed when the screed has hardened.

Screed-flush ducts and floor boxes must be levelled to the intended height before screed laying (con-

struction side height line). The screed layer should check the levelling height. Smooth and compress

screed well on the screed-flush ducts and floor boxes. Only this achieves the required load capacity.

All the duct openings larger than the grain size used must be sealed.

14.3 Inter-unit working - Floor covering work

The company responsible for the floor covering work is also responsible for the exact routing and

adaptation of the floor covering to the connector boxes and cable outlets.

The exact joint dimensions must be clarified in advance with the construction management.

The cover of the screed-flush connector boxes must also be covered with floor covering.

Any carpet used must be permanently laid and must be resistant to cutting.

14.4 Inter-unit working - Building cleaning

In particular during the initial cleaning of the floor surfaces, building installation units and installation

spaces must be carefully cleaned of construction dust and other impurities, so that their function does

not lead to impairments later.

Inter-unit working

Inter-unit working - Building cleaning

Note!

During the use phase, building installation units must be checked for their intended use and

possible damage, in order to avoid later damage (Facility Management / Electricians).

In particular, device installation units for wet cleaned floors are to be maintained regularly

and the seals checked for their function. For this, it is necessary to relubricate the seal reg-

ularly (Facility Management / Electricians).

Sound protection and impact noise

Impact noise reduction for floor installation systems

15 Sound protection and impact noise

The aim of sound protection in buildings is to prevent sound from being transferred between various

rooms and/or floors. The DIN 4109 standard contains guidelines on sound and impact noise levels in

residential buildings. Impact noise consists of two types of sound.

Airborne sound travels through the air, whereas structure-borne sound travels through solid bodies.

Standard DIN 4109 specifies noise limits L

n,w

that must not be exceeded in certain areas of applica-

tion.

Examples of segment-related noise limits:

– Office buildings: Residential dividing ceilings and ceilings between third-party office rooms

n,w

≤ 53 dB

– Recreation rooms and hotels (increased sound protection requirements):

n,w

≤ 46 dB

The following always applies: Basic rule: The lower the values, the better the impact noise protection.

The value can be reduced, for instance, by laying a floor covering (such as carpet). The transfer of im-

pact noise can also be reduced by laying the floor on an insulation layer (‘floating screed’).

15.1 Impact noise reduction for floor installation systems

Reducing the transfer of impact noise is also relevant when laying underfloor installations. A testing in-

stitute was therefore engaged to measure the impact noise reduction in selected Hager products. The

requested test consisted of the measurement of the vertical spread of the structure-borne sound, in

other words the transmission of sound between floors.

Müller-BBM GmbH measured the impact noise reduction in the ceiling test station in accordance with

the DIN EN ISO 10140 standard and evaluated the findings in accordance with the ISO 717-2 stan-

dard.

The results of the measurement of the impact noise reduction are summarised below for the floor

trunking and the stainless steel cassette.

The installation of the floor trunking has no significant influence on the impact noise reduc-

tion of the screed.

The installation of the stainless steel cassette has no significant influence on the impact

noise reduction of the screed.

You can find detailed information and an evaluation of the impact noise at www.hager.de .

Appendix

Overview of floor installation systems - cable assignment

16 Appendix

Overview of floor installation systems - cable assignment

16.1 Overview of floor installation systems - cable assignment

Cable assignment, BKF ducts

565

513

Ducts Nominal di-

mension

External width

a [mm]

Trunking

height b max.

[mm]

Height adjust-

ment range

[mm]

Usable cross-

section [cm

]

Max. cable as-

signment Ø11

mm Filling level

0.5

BKF200045 200 216 70 45 - 70 112 46

BKF200065 200 216 110 65 - 110 176 72

BKF200105 200 216 150 105 - 150 240 99

BKF200145 200 216 190 145 - 190 304 125

BKF300045 300 316 70 45 - 70 182 75

BKF300065 300 316 110 65 - 110 286 118

BKF300105 300 316 150 105 - 150 390 161

BKF300145 300 316 190 145 - 190 494 204

BKF400045 400 416 70 45 - 70 252 104

BKF400065 400 416 110 65 - 110 396 163

BKF400105 400 416 150 105 - 150 540 223

BKF400145 400 416 190 145 - 190 684 282

BKF500045 500 516 70 45 - 70 322 133

BKF500065 500 516 110 65 - 110 506 209

BKF500105 500 516 150 105 - 150 690 285

BKF500145 500 516 190 145 - 190 874 361

BKF600045 600 616 70 45 - 70 392 161

BKF600065 600 616 110 65 - 110 616 254

BKF600105 600 616 150 105 - 150 840 347

BKF600145 600 616 190 145 - 190 1064 439

Appendix

Overview of floor installation systems - cable assignment

Cable assignment, BKW ducts

134

Ducts Nominal di-

mension

External width

a [mm]

Trunking

height b max.

[mm]

Height adjust-

ment range

[mm]

Usable cross-

section [cm

]

Max. cable as-

signment Ø11

mm Filling level

0.5

BKW200060 200 216 48 60 - 100 88.3 36

BKW200070 200 216 58 70 - 110 106.7 44

BKW200080 200 216 68 80 - 120 125.1 51

BKW200090 200 216 78 90 - 130 143.5 59

BKW300060 300 316 48 60 - 100 136.3 56

BKW300070 300 316 58 70 - 110 164.7 68

BKW300080 300 316 68 80 - 120 193.1 79

BKW300090 300 316 78 90 - 130 221.5 91

BKW400060 400 416 48 60 - 100 184.3 76

BKW400070 400 416 58 70 - 110 222.7 92

BKW400080 400 416 68 80 - 120 261.1 107

BKW400090 400 416 78 90 - 130 299.5 123

BKW500060 500 516 48 60 - 100 232.3 96

BKW500070 500 516 58 70 - 110 280.7 116

BKW500080 500 516 68 80 - 120 329.1 136

BKW500090 500 516 78 90 - 130 377.5 156

BKW600060 600 616 48 60 - 100 280.3 115

BKW600070 600 616 58 70 - 110 338.7 139

BKW600080 600 616 68 80 - 120 397.1 164

BKW600090 600 616 78 90 - 130 455.5 188

Appendix

Overview of floor installation systems - cable assignment

Cable assignment, BKFD ducts

115

Ducts Nominal di-

mension

External width

a [mm]

Trunking

height b max.

[mm]

Height adjust-

ment range

[mm]

Usable cross-

section [cm

]

Max. cable

assignment

Ø11mm Filling

level 0.5

BKFD200045 200 220 70 45 - 70 112 46

BKFD200065 200 220 110 65 - 110 176 72

BKFD200105 200 220 150 105 - 150 240 99

BKFD200145 200 220 190 145 - 190 304 125

BKFD300045 300 320 70 45 - 70 182 75

BKFD300065 300 320 110 65 - 110 286 118

BKFD300105 300 320 150 105 - 150 390 161

BKFD300145 300 320 190 145 - 190 494 204

BKFD400045 400 420 70 45 - 70 252 104

BKFD400065 400 420 110 65 - 110 396 163

BKFD400105 400 420 150 105 - 150 540 223

BKFD400145 400 420 190 145 - 190 684 282

BKFD500045 500 520 70 45 - 70 322 133

BKFD500065 500 520 110 65 - 110 506 209

BKFD500105 500 520 150 105 - 150 690 285

BKFD500145 500 520 190 145 - 190 874 361

BKFD600045 600 620 70 45 - 70 392 161

BKFD600065 600 620 110 65 - 110 616 254

BKFD600105 600 620 150 105 - 150 840 347

BKFD600145 600 620 190 145 - 190 1064 439

Appendix

Overview of floor installation systems - cable assignment

Cable assignment, BKWD ducts

111

Ducts Nominal di-

mension

External width

[mm]

Drawing

height [mm]

Height adjust-

ment range

[mm]

Usable cross-

section [cm

]

Max. cable as-

signment Ø11

mm Filling level

0.5

BKWD200060 200 220 48 60 - 100 88.3 36

BKWD200070 200 220 58 70 - 110 106.7 44

BKWD200080 200 220 68 80 - 120 125.1 51

BKWD200090 200 220 78 90 - 130 143.5 59

BKWD300060 300 320 48 60 - 100 136.3 56

BKWD300070 300 320 58 70 - 110 164.7 68

BKWD300080 300 320 68 80 - 120 193.1 79

BKWD300090 300 320 78 90 - 130 221.5 91

BKWD400060 400 420 48 60 - 100 184.3 76

BKWD400070 400 420 58 70 - 110 222.7 92

BKWD400080 400 420 68 80 - 120 261.1 107

BKWD400090 400 420 78 90 - 130 299.5 123

BKWD500060 500 520 48 60 - 100 232.3 96

BKWD500070 500 520 58 70 - 110 280.7 116

BKWD500080 500 520 68 80 - 120 329.1 136

BKWD500090 500 520 78 90 - 130 377.5 156

BKWD600060 600 620 48 60 - 100 280.3 115

BKWD600070 600 620 58 70 - 110 338.7 139

BKWD600080 600 620 68 80 - 120 397.1 164

BKWD600090 600 620 78 90 - 130 455.5 188

Appendix

Overview of floor installation systems - cable assignment

Cable assignment, BKB ducts

300

80,3

Ducts External width

[mm]

Duct height

[mm]

min. trunking

height incl. lev-

elling screw

[mm]

Design Usable cross sec-

tion

[cm

] without de-

vice installation

Max. cable as-

signment Ø11mm

Filling level 0.5

without devoce in-

stallation

BKBD30080 300 80.3 89 2-compartment 220 70

Table 16: BKBD30080

Cable assignment, BKG ducts

300

80,3

Ducts External

width

[mm]

Duct

height

[mm]

min. trunking

height incl. lev-

elling screw

[mm]

Design Usable cross sec-

tion

[cm

] without de-

vice installation

Max. cable as-

signment Ø11mm

Filling level 0.5

without device in-

stallation

BKGD20060 200 60.3 69 2-compartment 79 33

BKGD30060 300 60.3 69 3-compartment 123 58

BKGD40060 400 60.3 69 3-compartment 175 81

BKGD50060 500 60.3 69 4-compartment 219 104

BKGD30080 300 80.3 89 3-compartment 175 86

BKGD40080 400 80.3 89 3-compartment 248 123

BKGD50080 500 80.3 89 4-compartment 307 136

Appendix

Overview of floor installation systems - cable assignment

Cable assignment, UK ducts

190

Ducts Trunking width

[mm]

Duct height

[mm]

Version Dimensions

Compartments

[mm]

Usable cross-

section [cm

]

Max. cable as-

signment Ø11

mm Filling level

0.5

UK190282 190 28 2-compartment 75/115 53.2 21 (8/13)

UK190283 190 28 3-compartment 60/70/60 53.2 20 (6/8/6)

UK190382 190 38 2-compartment 75/115 72.2 29 (11/18)

UK190383 190 38 3-compartment 60/70/60 72.2 28 (9/10/9)

UK190482 190 48 2-compartment 75/115 91.2 36 (14/22)

UK190483 190 48 3-compartment 60/70/60 91.2 35 (11/13/11)

UK240282 240 28 2-compartment 100/140 67.2 27 (11/16)

UK240283 240 28 3-compartment 85/70/85 67.2 26 (9/8/9)

UK240382 240 38 2-compartment 100/140 91.2 36 (15/21)

UK240383 240 38 3-compartment 85/70/85 91.2 36 (13/10/13)

UK240482 240 48 2-compartment 100/140 115.2 46 (19/27)

UK240483 240 48 3-compartment 85/70/85 115.2 45 (16/13/16)

UK340282 340 28 2-compartment 140/200 95.2 39 (16/23)

UK340283 340 28 3-compartment 115/110/115 95.2 38 (13/12/13)

UK340382 340 38 2-compartment 140/200 129.2 52 (21/31)

UK340383 340 38 3-compartment 115/110/115 129.2 53 (18/17/18)

UK340482 340 48 2-compartment 140/200 163.2 66 (27/39)

UK340483 340 48 3-compartment 115/110/115 163.2 65 (22/21/22)

Appendix

Overview of floor installation systems - cable assignment

Cable assignment, AK ducts

150

Trunking base Duct width

[mm]

Duct height

[mm]

Version Usable cross-section

[cm

]

Max. cable as-

signment Ø11 mm

Filling level 0.5

AKU1500401 150 40 One-sided 60 24

AKU2000401 200 40 One-sided 80 33

AKU2500401 250 40 One-sided 100 41

AKU2000701 200 70 One-sided 140 57

AKU2500701 250 70 One-sided 175 72

AKU3000701 300 70 One-sided 210 86

AKU4000701 400 70 One-sided 280 115

AKU1500402 150 40 Two-sided 60 24

AKU2000402 200 40 Two-sided 80 33

AKU2500402 250 40 Two-sided 100 41

AKU2000702 200 70 Two-sided 140 57

AKU2500702 250 70 Two-sided 175 72

AKU3000702 300 70 Two-sided 210 86

AKU4000702 400 70 Two-sided 280 115

Appendix

Reference sources of standards and specifications

16.2 Reference sources of standards and specifications

DIN VDE Normen VDE-Verlag GmbH

Merianstrasse 29

63069 Offenbach

Beuth-Verlag GmbH

Burggrafenstrasse 4–10

10772 Berlin

VBG Vorschriften Carl-Heymanns Verlag KG

Luxemburger Strasse 449

50939 Köln

MLAR Veröffentlichung in den DIBt Mitteilungen

Deutsches Institut für Bautechnik

Kolonnenstrasse 30L

10829 Berlin

Bezug von DIBt Mitteilungen bei Verlag Ernst & Sohn

Bühringstrasse 310

13086 Berlin

VdS-Richtlinien Gesamtverband der Deutschen Versicherungswirtschaft e.V. (GDV)

Amsterdamer Strasse 174

50735 Köln

Hager Electro GmbH & Co. KG

Zum Gunterstal

66440 Blieskastel

Germany

+49 6842 945 0

+49 6842 945 4625

info@hager.com

hager.com

2024-04

6LE008220B

Produkt Specifikationer

Mærke:	Hager
Kategori:	Ikke kategoriseret
Model:	AKE1500401
Dybde:	2 mm
Produktfarve:	Zink
Antal:	1
Materiale:	Stål
Bæredygtighedscertifikater:	RoHS

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