Statron 3225.71 Manual

Statron Ikke kategoriseret 3225.71

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Side 1/4

Operating instruction lab

power supply unit

type 3225.71

The intended application of the power supply unit covers:

- link and operation of low-voltage consumers with an operating voltage between 2x(0 to 30 VDC) and 1x (0 to

40VDC/0-3A . Fixed output 5VDC/5A The power input of the consumer may not exceed 4,0 A. Output 1 to 3 can

be connect parallel or series.

Note! Absolutely read!

- Read this guidance exactly. With damage, which is caused by neglect of the guidance, the warranty claim goes

out. For damages we do not take over adhesion.

1. introduction

this power supply unit is universally applicable with its infinitely variable adjustment possibilities of voltage and

current for school, occupation, hobby etc.. An electronic current limiting protects the power supply unit against

overloading. Output voltage and - current are electronically stabilized and infinitely variable adjustable. Thus the

electronic restraint current can as adjustable Current limiting to be used, in order to protect consumers against a too

high power input. In the case of an overloading the output voltage is then lowered accordingly (in the case of short-

circuit on close 0V). With removal of the overload the output voltage adjusted before resets itself automatically. The

respective operating point - voltage - (u) - or restraint current (i) - is displayed by one red LED each. The adjusted

values are readable over 2 LCD displays each. The voltage or current adjustment is made by one wirewount

potenbtiometers ten turns.

2. Safety instructions

2.1 The power supply unit is in protection class I. The safety measures comply with DIN EN61010 and DIN EN

60950. The transformers comply with DIN EN 61558 and have passed the primary/secondary 3.75 kVeff

tests.

2.2 Check that the protective grounding conductor (yellow/green) is not disconnected either from the mains

cable or in the unit, since a disconnected protective conductor may lead to a risk of death. Also check

that the insulation is not damaged or destroyed.

2.3 Power supply units must be kept out of the reach of children!

2.4 In commercial establishments, the safety regulations of the professional trade association for electrical

appliances and equipment must be observed.

2.5 In schools, educational establishments, hobby and independent workshops, there must be careful

supervision that power supply units are operated by trained personnel.

2.6 When opening covers or removing components, apart from when this can be done by hand, live parts

may be exposed. Connections may also be live. Before adjustment, maintenance, repair or replacement of

components, the unit must be disconnected from any power source, if opening the unit is necessary.

Thereafter, if adjustment, maintenance or repair of the open unit when it is connected to the power

supply is unavoidable, this may only be carried out by a specialist engineer familiar with the associated

risks and relevant regulations.

2.7 The capacitors in the unit may still carry a charge, even when the unit is disconnected from any power

supply.

2.8 Check that only fuses of the type and fuse current rating indicated are used as replacements. The use of

repaired fuses or bridging of the fuse holder is not permitted. The unit is protected against overloading

and short-circuits. If the primary fuse melts, there is a serious fault which must be dealt with by a

specialist engineer. After successful repair, a new fuse link can then be installed by an engineer.

2.9 Do not switch on the power supply unit if it has been moved from a cold to a warm place. In unfavorable

conditions, the condensed water released on thawing can destroy your unit or cause life-threatening

voltages at the output terminals. Ensure that the unit can warm up to room temperature without any

adjacent mains current.

2.10 When working with power supply units, you are not permitted to wear any metallic or conductive jewelry

like chains, bracelets, or similar.

2.11 Power supply units are not permitted for use on human beings or animals.

2.12 Series connection of the outputs of one or more mains power units causes life-threatening voltages (>35

VDC).

2.13 The vents on the mains supply units must not be covered! The units must be placed on firm, non-

flammable surfaces, so that the air can enter unhindered. Cooling of the appliances occurs by forced

ventilation.

2.14 The mains supply units and the consumer loads connected to them must not be operated without

supervision. Measures must be taken to ensure the safety and protection of connected loads against

effects caused by the mains power supply unit (e.g. overload, breakdown of the mains appliance) and by

the connected loads themselves (e.g. current consumption above the permitted level).

Warning! Sensitive consumer loads must be protected against damage

by additional external measures!

2.15 In case of fault, power supply units can output voltages over 50V DC, which causes risk,

even if the specified output voltages of the units are lower.

2.16 When working with electrical voltages, only tools expressly permitted for the purpose are to be used.

2.17 The outputs of the power supply units (output bushes/terminals) and leads attached to them must be

protected against direct contact. The leads used must therefore have a sufficient level of insulation

and/or dielectric strength and the contact points must be protected from being touched (safety bushes).

2.18 Connection of uninsulated metallic leads and contacts must be avoided. All of these points must be

protected with suitable, non-flammable insulation material or with other measures. The electrically

conductive components of the connected loads must also be protected from direct contact by

appropriate measures.

2.19 If it becomes apparent that safe operation is no longer possible, the unit must be disabled and secured

against unintentional operation. It is apparent that safe operation is no longer possible when:

- the unit or the mains cable show visible signs of damage

Produkt Specifikationer

Mærke:	Statron
Kategori:	Ikke kategoriseret
Model:	3225.71

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