Blue Sea Systems 7044 187 Series DC Circuit Breaker - Panel Mount, 100 Amp

The Blue Sea Systems 7044 is a 100 amp thermal circuit breaker from the 187 Series, designed for panel mount applications in marine DC electrical systems. This waterproof circuit breaker combines switching and circuit protection into a single device, offering reliable overcurrent protection with convenient manual reset capability.

Key Features:

• 100 amp rating with 48 Volts DC maximum capacity
• Trip-free design prevents manual override during fault conditions
• Waterproof construction with ignition protection for safe installation on gasoline-powered vessels
• Self-trimming case with recessed mounting holes for clean, professional appearance
• Round case design allows easy installation with standard hole saw
• Robust 5/16" terminal studs accommodate heavy gauge wire lugs
• Large, clear lever with vertical/horizontal orientation for easy trip status indication
• All components meet SAE J1171 external ignition protection requirements

Technical Specifications:

• Circuit Breaker Class: Type III - Switchable/Manual Reset, Trip Free
• Type: Thermally responsive bi-metal blade
• Case Material: Thermoset polyester
• Voltage Rating: 48 Volts DC Maximum
• Interrupt Rating: 5,000 Amperes @ 12V DC, 3,000 Amperes @ 24V DC, 1,500 Amperes @ 42V DC
• Operating Temperature Range: -25°C to +82°C (-13°F to +180°F)

This panel mount circuit breaker is ideal for marine electrical systems requiring reliable overcurrent protection with manual switching capability. The ignition-protected design ensures safe operation in gasoline engine compartments and other hazardous locations aboard boats and marine vessels.