50 Amp Medium Duty Push Button Circuit Breaker | Blue Sea 2142 Blue Sea Systems 50 Amp Push Button Thermal Circuit Breaker 2142 Reset-only 50A circuit breaker, found on many marine engines, is used for DC & AC circuit protection applications that do not require switching. Blue Sea push button circuit breaker Reset-only circuit breaker with push-to-reset operation (2) #10-32 stainless steel terminal studs Captive star lockwashers meet requirements for anti-rotation and help eliminate the loss of small attaching hardware 50 amp circuit breaker can be used for main, branch, or 24-hour circuit protection Trip Free feature cannot be held ON during fault current condition Compact design Thermal trip type 5000A interrupt capacity @ 32 volts DC 3000A interrupt capacity @ 120 volts AC 32 volts DC maximum operating voltage 120 volts AC maximum operating voltage #8-32 mounting screw thread size 1.575 in. mounting screw bolt hole centers Meets SAE J1428, SAE J553, UL 1077 regulatory specifications Meets UL 1500 external ignition protection requirements Replaces Chrysler 4142032 Replaces Crusader R303006B Replaces Pleasurecraft Marine R153006B Replaces Indmar 80-5011 Replaces Mercury 88-11178A01 Replaces Marine Power 485006 Replaces Volvo Penta 3854164