Hager VML24AH Manual

Hager Ikke kategoriseret VML24AH

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Side 1/3

Design 10 / 30 Consumer Unit

Instructions/Data Sheet

This Consumer Unit and Hager devices conform with the following standards:

Consumer Unit: BS EN 61439-3 including Annex ZB.

Switch-disconnectors: BS EN 60947-3.

Residual Current Circuit Breaker (RCCB): BS EN 61008-1

Residual current operated circuit breaker with integral overload (RCBO): BS

EN 61009-1

Miniature Circuit Breaker (MCB): BS EN 60898-1

Arc Fault Detection Devices: BS EN 60626

Surge Protection Devices: BS EN 61643

Installation Instructions:

All product(s) must be installed by a suitably competent electrician

Giving consideration to their intended use and in accordance with the current

edition of BS 7671 (IET Wiring Regulations).

The Electricity at Work regulations and the Health and Safety at Work Act shall be

complied with.

Only equipment and arrangements specied in Hager’s technical documentation /

catalogue shall be used.

Install in the horizontal plane only.

For guidance when making connections in a consumer unit electrical safety rst /

BEAMA document “Guidance for installers when making connections in consumer

units” is available from hager.co.uk/63026.htm

Important notice:

To prevent potential overheating from loose connections the installer shall check

connections are tight to the torque levels stated in these instructions prior to

energizing this board. This check should include factory made connections which

may have loosened in transit.

Good workmanship and proper materials must be applied by the installer. The cable

entry method shall, as far as reasonably practical, maintain the non-combustable

arrangement of the enclosure. Account shall be taken of these instructions.

For guidance on RCD selection, AFDD selection and more, see the related BEAMA

guide in our BEAMA guide web page - hager.co.uk/18thedition.

The units have multiple xing points that will suit No.8 & No.10 screws

These metal units are provided with knockouts suitable

for use with 100x50mm trunking, 50x50mm trunking

and also large rear knockouts.

Rear cable entries shall enter thorough selected rear Knockout; once

the Knockout is removed apply the appropriate cable entry plate (full

list on page 4). Cable entry plates are available to clip into the knockout

hole and provide a safe edge to bring cables in.

Note: Only BASEC approved cable should be used 1.0mm

2 to 16mm2 for

outgoing cables

Up to 35.0mm2 for incoming live cables. Single conductors below 1.5mm² need

to be doubled back in the terminal bar.

Cable entry facilities:

Wall Fixing:

Use circuit as

normal

* Important note: Fuse carriers must not be opened or closed with the

main switch in the ON position.

YES

RCCB

AFDD

NO YES

YES

Does device

stay ON?

Does device

stay ON?

Does device

stay ON?

Does device

supply socket

outlets

Call an

electrician

Unplug all

appliances from

circuit and reset

device

Plug in & switch on

appliances one at a time

until device trips / blows,

identifying faulty appliance

Unplug faulty

appliance until

repaired. Reset device.

Other appliance may

be used

Try & reset device once

Please refer to

additional leaet

included with the

consumer unit.

Device Tripped

MCB

or RCBO

START

What device

is it?

Try & reset device once

Use circuit as

normal

Turn OFF

all MCB / fuse*

devices

Call an

electrician

Reset RCCB

Does device

stay ON?

Turn ON MCB / fuse*

devices one at a time

until RCCB trups again,

identifying faulty circuit

Design 30

Dimensions (mm)

Enclosure Size

234567

Height 240 240 240 240 240 240

Width 149 221 293 364 400 472

Depth 102.5 102.5 102.5 102.5 102.5 102.5

Number of Knockouts

Top Face 30 x 25 2 2 2 2 2 2

Top Face 40 x 30 0 2 4 4 6 6

Back 100 x 50 1 1 1 3 3 3

Bottom Face 30 x 25 2 3 4 4 5 5

Design 10

Dimensions (mm)

Enclosure Size

234567

Height 246 246 246 246 246 246

Width 155 227 299 370 406 478

Depth 1 83 83 83 83 83 83

Depth 2 100 100 100 100 100 100

Boards with Square

Knockouts Number of Knockouts

Top Face 30 x 25 2 2 2 2 2 2

Top Face 40 x 30 0 2 4 4 6 6

Back 100 x 50 1 1 1 3 3 3

Bottom Face 30 x 25 2 3 4 4 5 5

Height

Width

Depth 2

Depth 1

Height

Width

Depth

Accessories Comparison

Surface Mounted Consumer Units

Feature Description

Design

Meter tail entry

plate

( )VM04CE

When clipped into place, the moulding holes

allows meter tails and CPC to enter the

board safely

Top wall cable

entry plates

( )VM03CE

Specially designed for our square

knockouts, these plates provide more

options for cable entry. When used with

50x50mm trunking, IP ratings can be

achieved.

Blind cable

entry plates

(VM04CB,

VM03CB)

A blank plate for drilling which allows

the installer to decide on the method of

incoming cables - compression gland etc.

Rear cable

entry plate

( )VM02CE

Allows cables to enter the rear of the board

without the risk of damage from sharp

edges.

Cable clamp

(VA10MT)

Incoming meter tails can be safely secured,

eliminating stress within the switch terminal.

Stand-off plate

( )VM01SP

Provides 12mm of clearance at the rear of

the consumer unit to allow surface mounted

cables to enter the board from the rear.

  Included with board Available as an accessory

* Knockouts available by choice on Design 30 range. References ending with a ‘K’

contain knockouts.

Design 10 Dual Row

Dimensions (mm)

Enclosure Size

3 (2) 4 (2) 5 (2) 6 (2) 7 (2)

486 486 486 486 486

227 299 370 406 478

83 83 83 83 83

100 100 100 100 100

Number of Knockouts

22222

24466

22666

34455

Design 30 Dual Row

Dimensions (mm)

Enclosure Size

3 (2) 4 (2) 5 (2) 6 (2) 7 (2)

480 480 480 480 480

221 293 364 400 472

102.5 102.5 102.5 102.5 102.5

Number of Knockouts

22222

24466

22666

34455

ZD0820 - Issue 6

ZD0820

ZD0820 - Issue 6

Design 10 / 30 Consumer Unit

Installation Instructions / Data Sheet

Design 10 / 30 Consumer Unit

Installation Instructions / Data Sheet

Guidance Notes:

The total load must not exceed the rating of the incoming device or the assigned

assembly rating (InA) whichever is the lower. Each neutral and earth connection

must correspond numerically to its outgoing way. Additional blanks (ref. ) are JK01B

available to cover spare ways.

A pack is provided to label this consumer unit, please consult us for spares or

replacements.

Operating Instruction leaet is provided overleaf. This leaet should be left for the

end user.

Single conductors below 1.5mm² need to be doubled back in the terminal bar.

Consumer Units incorporating RCDs in TT systems should incorporate an S type

(time Delayed) RCCB, e.g. 100 mA s-type RCCB . Alternatively a main switch with

RCBO protection on all outgoing circuits should be used.

Precautions need to be taken to prevent faults to earth on the supply side of the

RCD (as per BS7671 regulation 531.4.1)

Cable Access:

Cable access into the metal consumer unit must maintain the integrity of the non-

combustable consumer unit so far as reasonably practicable. This can generally

be achieved by the installer ensuring that cable access holes they make in the

enclosure do not to leave gaps greater than:

· 1.0 mm for the horizontal top surface and

· 2.5 mm for all other surfaces of the enclosure that are accessible after installation.

For rear cable access, the minimum number of knockout(s) shall be removed.

Tests on hager consumer units have indicated that there is no specic need for

external re rated cable glands or intumescent sealing in addition to the guidance

below, with respect to achieving a non-combustible enclosure. However this does

not preclude the designer/installer from using re rated cable glands or external

intumescent sealing should they consider necessary. Internal intumescent pads

shall not be used.

Warranty

This distribution board is offered with a 24 month warranty against

defective material or manufacture. If a warranty claim is necessary,

please call the technical support number given at the bottom of the page

and we will be pleased to help.

For dimensional information and weights please consult the Hager

catalogue.

Technical Service Centre: 01952 675 689

Technical Fax: 01952 675 557

Technical E-mail: technical@hager.co.uk

Website: hager.co.uk

Fitting Hager MCBs and RCBOs:

Only equipment and arrangements specied in Hager’s technical

documentation / catalogue shall be used.

1. Isolate the electrical supply from the consumer unit.

2. Remove the front cover, by loosening the two captive

screws.

3. Fully slacken the lower terminal of the device.

4. Fully open the bottom device clip (g 1.)

5. Locate the device onto the din rail, and busbar. Ensure

that the busbar tooth is within the device terminal cage.

6. Close the bottom device clip.

7. While holding the device rmly onto the busbar, fully tighten the lower

terminal screw.

8. After tting all outgoing devices and connecting all outgoing cables,

please check the tightness of all cable connections. This should

include all factory made connections, which may have loosened during

installation or transit.

g 1.

2.5mm

1mm 1mm

For boards with Surge Protection fitted (References ending in SPD)

ZD0820 - Issue 6

ZD0820

ZD0820 - Issue 6

Selection of RCDs

Different types of RCD exist, depending on their behaviour in the presence of DC

components and frequencies.

Overload protection of switches and RCCBs

This can be achieved by;

Method 1

Ensure the sum of the rated current of the downstream MCBs do not exceed the

rated current of the switch or RCCB (I

nc). This method would however need to

consider the consequences of any spare ways and later additions.

Method 2

Ensure that the rated current of a switch or RCCB (I

nc), stated by the assembly

manufacturer, is not less than the rating of the upstream OCPD. For a domestic

installation this could be a 100A cut-out fuse.

Method 3

Select a consumer unit or distribution assembly that only utilises RCBOs on

outgoing circuits. Consideration will still need to be given as to the rated current of

the main switch.

For more information on these subjects we have made the relevant BEAMA guides

available on our 18th edition hub on our website at hager.co.uk/18thedition

Torque Settings

Pz No. (mm)

Cables >1.5mm2

Tightening torque (N.m)

Cables ≤1.5mm2

Tightening torque (N.m) Cable Stripping (mm)

Single Cable Multi Cables Single Cable Multi Cable

Consumer unit terminals

Earth and neutral terminal bars 2 6.5 2 2 1.5 1.5 10

Isolation

Switch Disconnectors / Surge 2 6.5 3.6 3.6 3.6 3.6 15

Circuit protection

MCB 2 6.5 2.8 2.8 2.8 2.8 13

RCBO 2 5.5 2.1 2.1 2.1 2.1 13

RCCB 2 5.5 2.8 2.8 2.8 2.8 13

AFDD 2.1 2.1 2.1 2.1 132 2

Design 10 / 30 Consumer Unit

Installation Instructions / Data Sheet

Design 10 / 30 Consumer Unit

Installation Instructions / Data Sheet

Interface characteristics

Rated & operational voltage (Un / Ue)

230V a.c. 50Hz

Rated insulation voltage (Ui)

320V a.c. 50Hz

Rated impulse withstand voltage (Uimp)

4kV

Rated current of the Assembly (InA)

100A, 63A, 40A, 80A - (VM/VML933H)

Note: Dependent upon rating of main incoming device

Rated current of an Outgoing circuit (Inc)

MCB 6A - 63A (marked rated current on device)

RCBO 6A - 50A (marked rated current on device)

Rated current of outgoing unit (Inc)

RCCB 40A -100A (marked rated current on device)

Rated conditional short-circuit current of the ASSEMBLY (Icc)

Annex ZB: 16 kA rms at 250V, power factor 0.6 with equipment and arrangements specied in Hager’s technical documentation /

catalogue.

Protection against electric shock

Consumer unit shall be installed in an electrical system conforming to the current edition of IEC 60364 / BS 7671

Rated diversity factor (RDF) / Values of assumed loading

1way = 1.0

2way – 3way = 0.8

4way – 5way = 0.7

6way – 9way = 0.6

10way and above = 0.5

Note: RDF only applies to continuously and simultaneously loaded

circuits.

In principle, this means adjacent circuit-breakers having a load

‘on’ time exceeding 30 minutes or where a load not exceeding 30

minutes has an ‘off’ time less than the ‘on’ time, will need to have

the rated diversity factor applied as indicated.

Rated frequency (fn)

50 Hz

Pollution degree

Types of system earthing for which the ASSEMBLY is designed

TNC-S, TN-S when installed in an electrical installation complying with BS 7671

Hager recommends for TT systems a 100A type S time delayed RCCB or a main switch with RCBO protection only on all outgoing circuits.

Indoor use only

Stationary ASSEMBLY

Degree of protection

IP2XC with Door Open / closed and full compliment of outgoing devices and or blanks tted.

Note: Where cables are installed through top wall of enclosure, gaps of IP4X to be maintained.

Intended use

Intended for use in domestic (residential) or similar premises.

Electromagnetic compatibility (EMC) classiﬁcation

EMC Environment B

External design

VML: Wall-mounted, surface type, enclosed assembly.

Mechanical impact protection

IK 05

The type of construction

Fixed parts

Type A DBO (Distribution board for use by ordinary persons)

GREEN/CLEAR RED

Where surge protective devices (SPDs) or other equipment are likely to

influence the verification test, or be damaged, such equipment shall be

disconnected before carrying out the insulation resistance test.

Produkt Specifikationer

Mærke:	Hager
Kategori:	Ikke kategoriseret
Model:	VML24AH

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