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Intended Use
The laboratory power unit unit serves as a potential-free DC voltage source to operate low-voltage con-
sumers. It has three adjustable independent outputs. The outputs A and B can be switched with each oth-
er and controlled via buttons. This easily allows you to double the voltage or current. When switching the
outputs in series, voltages of >75 V/DC may be generated, which are dangerous to contact. This is why
insulated lines/measuring cables must be used for safety reasons as of this voltage. The devices are con-
nected via 4 mm safety sockets.
The output data of the laboratory measuring devices is as follows:
Item No.
Item name
51 27 73
VSP 2206
51 27 74
VSP 2403
51 27 75
VSP 2405
51 19 19
VSP 2410
51 27 76
VSP 2653
The voltage and electric current can be adjusted continuously for outputs A and B, as can the voltage of out-
put C. The voltage and current values of output C are displayed via the push of a button on the display of out-
put B.
The settings for current and voltage are made via coarse and fine controls in order to allow fast and pre-
cise value settings.
The values are displayed on two separate, concise LC displays.
The output voltage of outputs A and B can be set through an external voltage and kept absolutely stable
and load independent using the sense function.
A power limit for constant power operation can be pre-set by pressing a button. You do not require a
shorting bar at the output during setting.
The device is overload and short-circuit-proof and contains a safety temperature cut-off.
The laboratory power unit is designed in compliance with protection class 1. It is only approved for con-
nection to shockproof sockets with protective grounding and an alternating current of 230V/AC commonly
used in households. The ground potential socket is directly connected with the protective grounding on the
mains plug.
Operation under adverse environmental conditions is not permitted. Unfavourable ambient conditions are:
- Moistness or high humidity
- Dust and combustible gases, vapours or solvents
- Thunderstorms or similar conditions such as strong electrostatic fields etc.
Any use other than the one described above damages the product. Moreover, this involves dangers such
as e.g. short circuit, fire, electric shock, etc. No part of the product must be modified or rebuilt!
Observe the safety instructions under all circumstances!
Output A
0.1 - 20 V/DC
0 - 6 A
0.1 - 40 V/DC
0 - 3 A
0.1 - 40 V/DC
0 - 5 A
0.1 - 40 V/DC
0 - 10 A
0.1 - 65 V/DC
0 - 3 A
Output B
0.1 - 20 V/DC
0.1 - 6 A
0.1 - 40 V/DC
0 - 3 A
0.1 - 40 V/DC
0 - 5 A
0.1 - 40 V/DC
0 - 10 A
0.1 - 65 V/DC
0 - 3 A
Output C
0.1 - 6 V/DC
max. 1.5A
0.1 - 6 V/DC
max. 1.5A
0.1 - 6 V/DC
max. 1.5A
0.1 - 6 V/DC
max. 1.5A
0.1 - 6 V/DC
max. 1.5A
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