Blue Sea Systems 7183BSS 285 Series 50A Thermal Circuit Breaker Surface Mount

The Blue Sea Systems 7183BSS is a 50 amp thermal circuit breaker from the 285 Surface Mount series, designed for reliable overcurrent protection in marine and automotive DC electrical systems. This single-pole breaker features ignition protection certification, making it ideal for use in engine compartments and other hazardous locations where fuel vapors may be present.

Key Features:

• 50 amp current rating, 48 volt DC maximum
• Thermal trip mechanism for dependable overload protection
• Surface mount design with M6 stud terminals for secure connections
• Switchable with manual reset functionality
• Ignition protected to meet ABYC and USCG standards
• Compact 285 series form factor for space-efficient installation
• Trip-free design prevents override during fault conditions

This breaker provides both switching and protection functions in a single device, eliminating the need for separate switches in many applications. The thermal trip mechanism responds to sustained overloads while tolerating brief inrush currents typical of motor and lighting loads. The switchable handle allows convenient circuit control and manual reset after tripping.