Blue Sea Systems 7144 187 Series 100 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 7144 187 Series thermal circuit breaker offers reliable circuit protection with a combined switching and circuit-breaking function, making it ideal for marine and automotive use. This 100 Amp surface-mount breaker features a thermally responsive bi-metal blade design, ensuring precise trip operation during overload conditions. Its robust thermoset polyester case provides durability and resistance to harsh environments, while the waterproof construction guarantees protection against water ingress, suitable for demanding conditions aboard boats and vehicles. The clear, single-lever operation allows for quick and easy reset, with a trip-free design that prevents holding the breaker in an ON position during fault conditions, enhancing safety and equipment protection. Recessed mounting holes contribute to a clean appearance, and large terminal clearance accommodates heavy-gauge wire lugs, facilitating high-torque connections for secure installation. The large lever with both vertical and horizontal orientations offers instant status indication, simplifying diagnostics and maintenance. Designed to meet SAE J1171 external ignition protection standards, this breaker is safe for installation aboard gasoline-powered boats, providing peace of mind for marine applications. Operating within a temperature range from -25°C to +82°C, the circuit breaker ensures reliable performance across diverse environments. Its high interrupt rating of up to 5,000 amperes at 12 volts DC ensures dependable circuit interruption during fault conditions, safeguarding electrical systems from damage. This circuit breaker combines safety, durability, and ease of use, making it an essential component for electrical protection in marine, automotive, and other high-demand applications.

Features:

• Combines switching and circuit protection into a single device

• Meets SAE J1171 external ignition protection requirements

• Clear, single lever operation for quick reset

• Trip-free design prevents holding ON during faults

• Waterproof construction suitable for marine environments

• Recessed mounting holes for a clean appearance

• Large clearance around terminal studs for heavy gauge wire lugs

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

• Large lever with vertical/horizontal orientation indicates trip status

• Ignition protected for safe installation aboard gasoline-powered boats