NA250 - 50Amp Circuit BreakerNA250 50Amp Circuit Breaker The NA250 50 Amp Stab Lok circuit breaker is designed to provide reliable overcurrent protection in 120 240V electrical systems. This 2 pole breaker helps protect wiring and connected equipment from overloads and short circuits by disconnecting both poles at the same time. With a 10 kA interrupting rating, it is built to handle significant fault currents while helping maintain the safety of your electrical panel. The plug