Blue Sea Systems 7136 187-Series 30 Amp Thermal Circuit Breaker for Marine and Automotive Applications

• Combines switching and circuit protection into a single device
  
• All components meet SAE J1171 external ignition protection requirements
  
• Clear, single lever operation
  
• Trip Free design cannot be held ON during fault current condition
  
• Waterproof
  
• Recessed mounting holes for clean appearance
  
• Large clearance around terminal studs accept heavy gauge wire lugs
  
• Robust 5/16 terminals provide high torque connections
  
• Large lever with vertical/horizontal orientation provides indication of trip status
  
• Ignition protected - safe for installation aboard gasoline powered boats

WARNING: This product can expose you to chemicals including di(2-ethylhexyl)phthalate (dehp) which is known to the State of California to cause cancer, birth defects or other reproductive harm. For more information go to P65Warnings.ca.gov.

The Blue Sea Systems 7136 187-Series Thermal Circuit Breaker offers reliable overcurrent protection with a sleek, waterproof design suitable for marine and automotive environments. This surface-mount circuit breaker combines switching and circuit protection in one compact device, ensuring safety and ease of maintenance. Its large, clearly labeled lever allows for quick trip status recognition and can be oriented vertically or horizontally to suit your installation preferences. Crafted with durable thermoset polyester casing, the breaker withstands harsh conditions while maintaining electrical integrity. It features a trip-free design that prevents the circuit from being held ON during fault conditions, enhancing safety during overloads or short circuits.
All components conform to SAE J1171 external ignition protection standards, making this breaker suitable for installation aboard gasoline-powered boats. The device is rated for a maximum of 48 volts DC, with an interrupt rating of up to 5,000 amperes at 12 volts DC, ensuring it can handle high current surges typical in demanding environments. Its robust 5/16-inch terminals support high torque connections for secure wiring, and the large clearance around terminal studs accommodates heavy gauge wire lugs. Recessed mounting holes provide a clean appearance, and the waterproof construction offers added protection against moisture and water ingress.
Designed for versatility, the Blue Sea 7136 circuit breaker is ideal for marine, RV, and automotive applications where reliable circuit protection is essential. Its thermal bi-metal blade responds accurately to temperature changes, providing consistent trip behavior. Operating safely across a temperature range from -25°C to +82°C, it ensures dependable performance in a variety of climates. Whether used in new installations or as a replacement component, this circuit breaker delivers durable, high-performance circuit protection with a user-friendly interface and robust construction.

Features:

• Combines switching and circuit protection into a single device

• Meets SAE J1171 external ignition protection standards

• Clear, single lever operation for easy trip status identification

• Trip-free design prevents holding the circuit ON during faults

• Waterproof construction for reliable marine and outdoor use

• Recessed mounting holes for a neat appearance

• Large clearance around terminal studs accommodates heavy gauge wire lugs

• Robust 5/16-inch terminals enable high torque connections

• Large lever with vertical/horizontal orientation indicates trip status

• Ignition protected for installation aboard gasoline-powered boats