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The circuit breaker tester CBPOB30D is a power supply unit employing the latest power electronics technology. The circuit breaker tester CBPOB30D generates ripple free DC-voltage and it is developed for regular maintenance tests of power circuit breakers. Output voltage is selectable from 10V to 300V DC. The circuit breaker tester CBPOB30D is powerful and versatile unit, with possibility to generate at 230V mains supply initial current up to 35A as well as continuous current according to the table below:
Load voltage | Mains voltage | Max Current | Max load |
48V | 230V | 32A 26A 22A 10A |
2sec 30sec 90sec continuously |
115V | 32A 26A 22A 10A |
2sec 30sec 90sec continuously |
|
110V | 230V | 30A 24A 20A 9A |
2sec 30sec 90sec continuously |
115V | 18A 14A 12A 5A |
2sec 30sec 90sec continuously |
|
220V | 230V | 15A 12A 10A 5A |
2sec 30sec 90sec continuously |
115V | 9A 7A 6A 3A |
2sec 30sec 90sec continuously |
The set is equipped with thermal and overcurrent protection. The circuit breaker tester CBPOB30D is easy to use and has accessory cable-set with touch-proof contacts. The CBPOB30D 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.
The circuit breaker tester CBPOB30D is developed for use in switchyards, electric power and industrial environment. An important part of commissioning and maintenance testing is a circuit breaker testing. The circuit breaker tester CBPOB30D is possible to use for:
The circuit breaker tester CBPOB30D 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. CBPOB30D is then used as a power supply unit. It is compatible with breaker analysers from different vendors. CBPOB30D can also be used as a general power supply unit or a temporary battery charger.
Procedure steps
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[Transport case] | [Test shunt] |
Technical data | |
1 Mains Power Supply | |
- Connection | according to IEC/EN60320-1; UL498, CSA 22.2 |
- Voltage single phase | 110 - 240V AC, +10% - –15% |
- Frequency | 50/60Hz |
2 Output data | |
- Coils output DC Voltage | 10V a 300V DC |
- Motor output DC Voltage | 10V a 250V DC |
- Output Current | max 35A |
3 Measurement | |
- Voltage | 10V - 300V DC |
- Current | 1A - 50A |
- Accuracy | ±(0,5% rdg + 0,5% FS) |
4 Environment conditions | |
- Operating temperature | -10°C - +50°C / 14°F - +122°F |
- Storage and transportation | -25°C - +70°C / -13°F - +158°F |
- Humidity | 5% - 95% relative humidity, non condensing |
5 Dimensions and Weight | |
- Dimensions | 198 x 255 x 380mm 7,8 x 10 x 15 in (A x A x F) without handle |
- Weight | 8kg/17,5lb |
6 Mechanical protection | IP43 |
7 Warranty | two years |
8 Safety Standards | |
- European standards | EN 61010-1 |
- International standards | IEC 61010-1 UL 3111-1 CAN/CSA-C22.2 No 1010.1-92 |
9 Electromagnetic Compatibility (EMC) | |
- CE conformity | EMC standard 89/336/EEC |
- Emission | EN 50081-2, EN 61000-3-2/3 |
- Interference Immunity | EN 50082-2 |
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