This is an authentic OEM sourced part which is specially made for Powermate generators. The circuit breaker functions as a safety device. When the circuit becomes overloaded, this switch interrupts the transfer of electricity to the motor. Over time it may develop electrical or mechanical issues eventually requiring a replacement to ensur...Read moree your equipment functions properly. Please refer to the appropriate diagrams of your model for the correct location and installation of the new part. Keep in mind this high-quality circuit breaker is sold individually. You may need a screwdriver to remove the front panel when replacing this component.