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Power Box - Coil Tester & Breaker Supply Units

Power Box - Coil Tester & Breaker Supply Units

Power Box Coil Tester & Breaker Supply Units - POB30AD are power supply units developed for use in regular maintenance tests of power circuit breakers. DV power coil testers & breaker supply units have built-in capability to perform automatic test of minimal trip voltage. Coil Tester & Breaker Supply units can also be used as general power supply units or temporary battery charger. POB30AD generates ripple free DC-voltage and it is developed for regular maintenance tests of power circuit breakers and it’s generates also AV voltage. The output voltage is selectable from 20 to 250 V DC or 20 to 250 V AC.

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POB30AD is developed for use in switchyards, electric power and industrial environment. An important part of commissioning and maintenance testing is a circuit breaker testing. POB30AD is possible to use in:

  • Minimal-trip voltage-test of the circuit breaker's coils
  • Supplying spring-charging motors
  • Power supply at test with breaker analysers

Mains Power Supply

  • Connection: According to IEC/EN60320-1; UL498, CSA 22.2
  • Voltage single phase: 110 - 240 V AC, +10% - –15%
  • Frequency: 50/60 Hz
Output data
  • Output DC Voltage: 20 V to 250 V DC
  • Output AC Voltage: 20 V to 250 V AC
  • Output current: Max 35 A
Measurement
  • Voltage: 20 V - 260 V DC or 20V - 260 V AC
  • Current: 1 A - 50 A
  • Accuracy: ±(0,5% rdg + 0,5% F.S.)
Environment conditions
  • Operating temperature: 10ºC - +50ºC / 14ºF - +122ºF
  • Storage and transportation: 25ºC - +70ºC / -13ºF - +158ºF
  • Humidity: 5 – 95% relative humidity, non-condensing
Dimensions and Weight
  • Dimensions: 198 x 255 x 380 mm, 7,8 x 10 x 15 in (W x H x D) without handle
    • Weight: 8 kg / 17,5 lbs
Safety Standards
  • European standards: EN 61010-1
  • International standards: IEC 61010-1, UL 3111-1, CAN/CSA-C22.2 No 1010.1-92
Electromagnetic Compatibility (EMC)
  • CE conformity: EMC standard 89/336/EEC
  • Emission: EN 50081-2, EN 61000-3-2/3
  • Interference Immunity: EN 50082-2

  • Power supply unit employing the latest power electronics technology
  • The set is equipped with thermal and over current protection
  • POB30AD is easy to use and has accessory cable-set with touch-proof contact
  • POB30AD has very high ability to cancel electrostatic and electromagnetic interference in high HV electric fields. It is achieved by very efficient filtration

Power Box-Coil Tester Breaker Supply Units - POB30AD Power Box-Coil Tester Breaker Supply Units Coil Tester Breaker Supply Units Power Box-Coil Tester Electrical Measuring and Testing Instruments Testing and Measuring Instruments

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