50 Amp Medium Duty Push Button Circuit Breaker | Blue Sea 2142

50 Amp Medium Duty Push Button Circuit Breaker | Blue Sea 2142

Blue Sea Systems 50 Amp Push Button Thermal Circuit Breaker 2142

The Blue Sea Systems 50 Amp Medium Duty Push Button Circuit Breaker (model 2142) offers reliable thermal circuit protection for a variety of marine and DC/AC applications. Designed for reset-only operation with a convenient push-to-reset button, it safeguards main, branch, or continuous circuits without switching capability. Its compact build includes two #10-32 stainless steel terminal studs with captive star lockwashers that prevent rotation and hardware loss. Rated for 50 amps, it features a 5000A interrupt capacity at 32V DC and 3000A at 120V AC, meeting rigorous SAE and UL standards including external ignition protection. Compatible replacements include OEM parts from Chrysler, Mercury, Volvo Penta, and others, ensuring seamless integration into existing marine systems.

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