Siemens Sentron 3WL Circuit Breaker Tester

The 3WL9111-0AT44-0AA0 Circuit Breaker test device is used to test the functions of the Sentron 3WL low-voltage circuit breakers.

Description –

The circuit breaker test device can be used to:

  • Measure the operating circuits and tripping times
  • Check the protection functions for the three phases and the neutral conductor
  • Verify the function of the tripping solenoid
  • Check the function of the ground-fault protection
  • Measure the opening time of the circuit breaker and to
  • Check the trip causes



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