Blue Sea Systems 187-Series 150A Panel Mount Thermal Circuit Breaker

The Blue Sea Systems 187-Series Thermal Circuit Breaker combines switching and circuit protection in a single, waterproof device. Rated for 150 Amps, this Type III manual reset breaker is ignition protected and safe for installation on gasoline-powered boats.

• Circuit Protection: Type III switchable/manual reset with a trip-free design that cannot be held ON during a fault condition.
• Installation: Designed for panel mounting with a self-trimming case that installs easily using a standard hole saw.
• Terminals: Robust 5/16 in. terminal studs with large clearance to accommodate heavy gauge wire lugs.
• Specifications: 48V DC maximum voltage rating; thermally responsive bi-metal blade operation.
• Interrupt Rating: 5,000A at 12V DC, 3,000A at 24V DC, and 1,500A at 42V DC.
• Operating Range: Suitable for use in temperatures from -25°C to +82°C.
• Safety: Meets SAE J1171 external ignition protection requirements.
• Regulatory Note: This product contains chemicals, including di(2-ethylhexyl)phthalate (DEHP), known to the State of California to cause cancer, birth defects, or other reproductive harm.