A circuit breaker helps protect a compatible electrical circuit by interrupting power during an overload or fault condition, and this Potter and Brumfield version is a 3 amp push-thru breaker for 115 volt applications using the 75F009 reference. Circuit breakers are useful because they help protect connected components and wiring from electrical damage.This part has practical value because the push-thru style and defined amp rating help preserve the intended service behavior and compatibility of the original electrical setup. A properly selected Potter and Brumfield breaker contributes to more dependable circuit protection and more accurate replacement work.This type of part is especially useful when the original breaker has failed, no longer resets or trips correctly, or no longer provides reliable overload protection. That helps restore the circuit’s safety function with a direct replacement.Installed in the proper application, this breaker helps support dependable electrical protection and stronger long-term service confidence. Potter and Brumfield push-thru circuit breaker rated at 3 amps for 115 volt applications Helps protect compatible circuits from overload and fault conditions Useful when replacing a failed or unreliable original breaker Supports dependable electrical safety and service accuracy Improves long-term reliability and replacement confidence