DOCA0140EN-03

Testing the Circuit Breaker

Push-to-Trip Procedure

CAUTION
HAZARD OF NUISANCE TRIPPING
Device tests must only be done by qualified electrical personnel.
Failure to follow these instructions can result in injury or equipment damage.

When testing the trip mechanism take precautions against:

  • Disrupting operations

  • Activating inappropriate alarms

  • Triggering unwanted actions

For example, tripping the circuit breaker with the push-to-trip button can lead to inappropriate fault indications or corrective actions (such as switching to an alternate power source).

Follow these steps to test the trip mechanism:

Step

Action

Position

1

Close the circuit breaker.

I (ON)

2

Press the push-to-trip button to trip the circuit breaker.

3

Reset the circuit breaker by moving the toggle handle to O (OFF).

O (OFF)

4

Close the circuit breaker by moving the toggle handle to I (ON).

I (ON)

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