Blue Sea Systems 7040 187 Series Panel Mount DC Circuit Breaker 60 Amp

The Blue Sea Systems 7040 is a 60-amp thermal DC circuit breaker from the 187 Series, designed for panel mount applications in marine and automotive environments. This waterproof circuit breaker combines switching and circuit protection into a single device, offering convenient operation and reliable overcurrent protection for 12V, 24V, and 48V DC systems.

Key Features:

• Single lever operation with clear ON/OFF indication
• Trip-free design prevents holding breaker ON during fault conditions
• Ignition protected construction meets SAE J1171 requirements—safe for gasoline-powered boats
• Waterproof design for harsh marine environments
• Self-trimming case eliminates need for mounting panels or bezels
• Round case design allows easy installation with standard hole saw
• Recessed mounting holes provide clean, flush appearance
• Robust 5/16" terminal studs accept heavy gauge wire lugs with high torque connections
• Large lever can be oriented vertically or horizontally for easy trip status indication

Technical Specifications:

• Circuit Breaker Class: Type III - Switchable/Manual Reset - Trip Free
• Type: Thermally responsive bi-metal blade
• Voltage Rating: 48 Volts DC maximum
• Interrupt Rating: 5,000A @ 12V DC, 3,000A @ 24V DC, 1,500A @ 42V DC
• Case Material: Thermoset polyester
• Operating Temperature Range: -25°C to +82°C (-13°F to +180°F)
• Terminal Size: 5/16" studs

Ideal for high-current applications on boats, RVs, and other DC-powered vehicles where reliable circuit protection and manual switching are required.