• Blue Sea Systems 187-Series Thermal Circuit Breaker, 70A Surface Mount, 48V DC
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Blue Sea Systems

Blue Sea Systems 187-Series Thermal Circuit Breaker, 70A Surface Mount, 48V DC

Blue Sea Systems 187-Series Thermal Circuit Breaker, 70A Surface Mount, 48V DC

SKUCT-100444

$93.00
$93.00
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Product details

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Ensure robust electrical protection and precise control with the Blue Sea Systems 187-Series Thermal Circuit Breaker. Designed to combine essential switching and safety features into a single device, this breaker provides reliable, medium-duty circuit protection for demanding applications. Its ignition-protected, waterproof construction makes it an ideal choice for marine environments, including gasoline-powered boats, offering peace of mind and enhanced system safety. Upgrade your electrical system with dependable Blue Sea Systems protection today.

Key Benefits:
  • High-Capacity Protection: Features a 70 Amp rating for high-capacity DC circuits up to 48V, ensuring your system is safeguarded.
  • Marine-Grade Durability: Waterproof and ignition protected to SAE J1171 external ignition protection standards, making it safe and reliable for installation aboard gasoline-powered boats.
  • Enhanced Safety: The "Trip Free" design prevents the circuit from being held "ON" during fault conditions, enhancing safety by ensuring the breaker trips immediately.
  • Clear Status Indication: A large lever with vertical/horizontal orientation clearly indicates the trip status, allowing for quick troubleshooting.
  • Robust Connectivity: Equipped with robust 5/16" (M8) terminals that accept heavy gauge wire lugs, providing high torque connections for secure installations.
  • Wide Operating Range: Performs reliably across an operating temperature range of -40°C to +85°C.
  • High Interrupt Capacity: Offers significant interrupt ratings of 5,000 Amperes @ 14V DC, 3,000 Amperes @ 28V DC, and 1,500 Amperes @ 48V DC.
  • Streamlined Installation: Surface mount design with recessed mounting holes ensures a clean and professional appearance.
Specifications:
  • Circuit Breaker Class: Type III - Switchable / Manual Reset - Trip Free
  • Type: Thermally Responsive Bi-Metal Blade
  • Case Material: Thermoset Polyester
Recommended Pairings:

Ideal for use with demanding marine loads such as windlasses, thrusters, and in general DC power distribution systems where both switching and circuit protection are required.

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