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Alarm Contact
Sep 04, 2018

For the circuit breaker accident alarm contact, and this contact only when the circuit breaker off the break only action, mainly for the load of the circuit breaker overload short-circuit or under-voltage and other failures, such as free tripping, alarm contact from the original open position into a closed position, the auxiliary line in the light or bell, buzzer, etc. Displays or alerts the fault tripping status of the circuit breaker. As the circuit breaker due to load failure and free tripping of the probability of not too much, so the life of the alarm contact is 1/10 of the circuit breaker life. The operating current of the alarm contact is generally no more than 1A.

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