How often should the molded case breaker push to test trip button be exercised?

Product Line:
Molded Case Circuit Breakers

Resolution:
It should be exercised at least once a year. Exercising the trip mechanism periodically is important to having a properly operating breaker. The frequency of exercising a breaker depends on the application and environment. High humidity regions may want to exercise the trip mechanism more frequently.

Released for: Schneider Electric Canada