Square D Stab-lok NC040CP Circuit Breaker, Mini, Type NA, 40 A, 1 -Pole, 120 V, Plug Mounting

Stab-lok breakers are fully interchangeable with all past breakers and deliver the same proven quality. The unique Stab-lok breaker design of only a 1/2 in wide per pole, allows for the reduction of the size and weight of the loadcenter. These breakers are CSA approved to work only in federal pioneer branded residential panel.