"A" Frame Magnetic Circuit Breakers 40 AmpSingle PoleStandard branch AC or DC circuit breaker for Paneltronics electrical distribution panelsMeets all American Boat and Yacht Council (ABYC) Standards for non ignition protected circuit breakerUL Recognized (UL 1077) for use in the U.S.A., and CSA Certified for use in Canada (ABYC E-11.12.2.8.Trip free (ABYC E-11.12.1.7.2.2. and E-11.12.2.8.1.)Manual reset (ABYC E-11.12.1.7.2.4. and E-11.12.2.8.1.)