AC MOTOR CIRCUIT BREAKER
See ac motor circuit breaker
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ETA Circuit Breakers | newark
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How to Test an AC Motor That Trips the Circuit Breaker | eHow
A circuit breaker will trip when the total current draw exceeds the breaker's capacity. The current surge when a motor starts can trip the breaker. Shorts, ground faults, rusty connections and extension cords can also cause breakers to trip.
How to Size the Electric Motor Circuit Breaker | Hunker
The circuit breaker is designed to break the circuit, cutting the power to the motor if the circuit starts pulling too much current. The interesting part about motors is that the amount of start-up current and the current the motor uses after it is running is not the same.