Frequently asked questions
How does a shunt trip work to trip a circuit breaker?
FA87281
26 May 2022
Product Line:Circuit Breakers
Resolution:
A shunt trip device is an optional accessory in a circuit breaker that mechanically trips the breaker when power is applied to the shunt trip terminals. The power for the shunt trip does not come from within the breaker, so it must be supplied from an external source.