Blue Sea Systems 187-Series Thermal Circuit Breaker, 25A 48V DC, Panel Mount

Ensure the utmost safety and reliability for your marine electrical systems with the Blue Sea Systems 187-Series Thermal Circuit Breaker. Designed for demanding applications, this 25 Amp, 48 Volt DC panel-mount breaker combines essential circuit protection with a convenient switching function. Its 'trip-free' design and ignition protection make it an ideal choice for gasoline-powered boats, safeguarding against overcurrents and preventing fuel vapor ignition. Upgrade your vessel's circuit security with Blue Sea Systems' trusted performance.

Key Benefits & Specifications:

• Robust Circuit Protection: Rated for 25 Amps at a maximum of 48 Volts DC, providing essential overcurrent defense for 12V, 24V, and 48V systems.
• Ignition Protected: Meets SAE J1171 external ignition protection requirements, ensuring safe installation and operation aboard gasoline-powered boats.
• Waterproof Durability: Boasts an IP66 waterproof rating and a rugged thermoset polyester case, designed for long-lasting performance in harsh marine environments.
• Enhanced Safety Mechanism: Features a 'trip-free' design that cannot be held 'ON' during a fault current condition, guaranteeing circuit interruption for maximum safety.
• High Interrupt Capacity: Offers 5,000 Amperes @ 12V DC, 3,000 Amperes @ 24V DC, and 1,500 Amperes @ 48V DC, protecting valuable equipment from short-circuit damage.
• Secure Heavy Gauge Connections: Equipped with robust 5/16 inch (M8) terminals that accept heavy gauge wire lugs and support a torque of 75 in-lb (8.47 Nm) for reliable, high-current connections.
• Wide Operating Temperature: Performs reliably across an extended range from -40° C to +85° C, suitable for diverse climatic conditions.
• Easy Panel Integration: Features recessed mounting holes, a self-trimming case, and a round design for straightforward, clean panel-mount installation with a standard hole saw.
• Clear Status Indication: A single, large lever with vertical/horizontal orientation provides immediate visual feedback on the circuit's trip status.