Megger Circuit Breaker Tester

Megger Circuit Breaker Tester
Specifications
BRAND  Megger
PRODUCT DESCRIPTION
  • Fully compliant NEMA AB-4 circuit breaker test set.
  • Capable of testing circuit breakers up to 6000 amperes continuous.
  • Input: 480VAC, 50 or 60 HZ.
  • Ideally suited for industrial, utility, and testing service company use.
  • Accurate, repeatable test results are ensured even with currents of very short duration.

Use of digitally-controlled SCRs to initiate output of the test set eliminates closing time error and ensures precise initiation of the output current waveform. The digital control of the SCRs allows the unit to initiate at any point within 90 degrees of the zero crossover point of the output-current waveform. This set was designed specifically to test all low-voltage power and molded-case circuit breakers equipped with thermal, magnetic, or solid-state trip devices.

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