What is circuit breaker?
A circuit breaker is an overcurrent protective device that is responsive to electric current and to temperature. These circuit breakers are either externally mounted in their own enclosures or internally mounted in switches or other control devices.
Overload trip rating :
Rating | Blow Time |
100% +- 1.5% | >= 30 min |
135% +- 1.5% | < 30 min |
200% +- 1.5% | < 1 min |
Circuit breaker types: