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Federal Pacific Electric NA140 N Circuit Breaker
Federal Pacific Electric NA140 N Circuit Breaker
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Description:
The Federal Pacific Electric NA140 N circuit breaker is a 40-amp, 1-pole device rated for 120-volt circuits. Model NA140 N carries a 10K rating, indicating its listed electrical capacity. As a protective device, it interrupts current on a single hot leg to prevent overloads and short circuits from damaging wiring. Circuit breakers of this type are installed to guard individual circuit runs from overcurrent conditions, helping maintain electrical safety by quickly disconnecting power when the load exceeds the breaker’s rating. The NA140 N designation identifies this specific model within Federal Pacific Electric’s line of single-pole, 120V breakers with a 40A rating.
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