| Coil Tester & Breaker Supply POB40AD |
Brochure POB40AD 
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- Lightweight - only 10 kg
- Powerful - up to 40 A
- Voltage 10 V to 300 V DC
- Voltage 10 V to 250 V AC
- Output protection
- Fully automatic operation
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| Powerful DC and AC power supply for a circuit breaker test |
| Description |
POB40AD is a variable voltage power supply unit ideal for testing circuit breakers, where substation battery is not connected or available. The POB40AD is intended to operate breaker coils, and spring charging motors as a part of commissioning and maintenance testing.
POB40AD generates true DC (ripple free) or AC voltage and can test minimum trip voltage of power circuit breakers. Output voltage is selectable from 10 V to 300 V DC or from 10 V to 250 V AC.
The POB40AD is powerful and versatile unit, with possibility to generate at 230 V mains supply initial current of 40 A as well as continuous current according to the tables below:
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| 230 V |
110 V DC |
30 A
24 A
12 A |
20 sec
60 sec
continous |
| 220 V DC |
15 A
12 A
8 A |
20 sec
60 sec
continous |
| 115 V |
110 V DC |
15 A
12 A
8 A |
20 sec
60 sec
continous |
| 220 V DC |
8 A
6 A
5 A |
20 sec
60 sec
continous |
|
| 230 V |
110 V AC |
15 A
10 A |
10 sec
continous |
| 220 V AC |
12 A
6 A |
10 sec
continous |
| 115 V |
110 V AC |
12 A
8 A |
10 sec
continous |
| 220 V AC |
8 A
5 A |
10 sec
continous |
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The set is equipped with thermal and overcurrent protection. POB40AD is easy to use and has accessory cable-set with touch-proof contacts.
The POB40AD has very high ability to cancel electrostatic and electromagnetic interference in HV electric fields. It is achieved by very efficient filtration. The filtration is made utilizing proprietary hardware and software. |
| Applications |
| POB40AD is developed for use in switchyards, electric power and industrial environment. An important part of commissioning and maintenance testing is a circuit breaker testing.
POB40AD is possible to use for: |
- operating circuit breakers
- supplying spring-charging motors
- power supply at test with breaker analyzers
- minimum trip-voltage test of the circuit breaker's coils
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| POB40AD have built-in capability to perform an automatic test of minimum trip-voltage. The minimum trip- voltage test is described in a number of international and national standards such as IEC 62271-100, ANSI C37.09 etc. Many other important parameters are possible to test with a breaker analyser. POB40AD is then used as a power supply unit. It is compatible with breaker analyzers from different vendors. POB40AD can also be used as a general power supply unit or a temporary battery charger. |
| Automatic testing of the minimum trip voltage of a breaker |
Procedure steps:
1. Make certain that the mains are de-energised on both sides of the breaker, safety
grounded and that local safety regulations are followed.
2. Connect Power supply unit POB40AD to the breaker's coil circuit.
3. Set the minimal test voltage.
4. Set the step voltage.
5. Set the maximal voltage.
6. Press TRIG button. |
| Accessories |
| Included |
- Mains power cable
- Ground (PE) cable
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| Recommended |
- Cable set 6 x 2 m 2,5 mm2
- Device bag
- Cable bag
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| Optional |
- Cable set 6 x 5 m 2,5 mm2
- Extern trigger cable set 2 m
- Transport case
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| Transport case |
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Cable set |
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| Technical data |
| 1 Mains Power Supply |
| - Connection |
according to IEC/EN60320-1; UL498, CSA 22.2 |
| - Voltage single phase |
110 V - 240V AC, +10% - –15% |
| - Frequency |
50/60Hz |
| 2 Output data |
| - Coils output DC Voltage |
10 V to 300 V DC |
| - Coils output AC Voltage |
10 V to 250 V AC; 50/60Hz; true RMS |
| - Motor output DC Voltage |
10 V to 250 V DC |
| - Output Current |
max 40 A |
| 3 Measurement |
| - Voltage |
10 V - 300 V DC or 10 V - 250 V AC |
| - Current |
1 A - 50 A |
| - Accuracy |
±(0,5% rdg + 0,5% FS) |
| 4 Environment conditions |
| - Operating temperature -10 °C - +55 °C / 14 F - 131 F |
| - Storage temperature -40°C - +70 °C / 40 F - 158 F |
| - Maximum relative humidity 95 % non-condensing |
| 5 Dimensions and Weight |
| - Dimensions |
202 mm x 261 mm x 480 mm
7,9 in x 10,2 in x 18,9 in
(W x H x D) without handle |
| - Weight |
10 kg/22 lb |
| 6 Mechanical protection |
IP43 |
| 7 Safety Standards |
| - European standards |
LVD 2006/95/EC
EN 61010-1 |
| - International standards |
IEC 61010-1
UL 61010-1
CAN/CSA-C22.2 No. 61010-1, 2nd edition, including Amendment 1 |
| 8 Electromagnetic Compatibility (EMC) |
| - CE conformity |
EMC directive 2004/108/EC |
| - Emission |
EN 61326-1 |
| - Immunity |
EN 61326-1 |
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