Blue Sea Systems 7142 187 Series 80 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 7142 187 Series Thermal Circuit Breaker is designed for reliable circuit protection in marine and automotive environments. This surface-mount circuit breaker combines switching and circuit protection into a single, durable device, providing an efficient solution for controlling electrical circuits. It features a thermally responsive bi-metal blade that automatically trips during fault conditions, ensuring the safety of your electrical system. The case is made from thermoset polyester, offering robust protection against harsh conditions, while the 80 Amp rating supports high-current applications safely and effectively. The device's all components meet SAE J1171 external ignition protection standards, making it an ideal choice for gasoline-powered boats and vehicles, ensuring safety and compliance.

The breaker includes a clear, single lever operation that allows for easy manual reset and status indication, with a large lever that can be positioned vertically or horizontally for functional versatility. The trip-free design prevents the device from being held in the ON position during fault conditions, providing an added layer of safety. Waterproof construction and recessed mounting holes give the breaker a clean appearance and secure installation, while large terminal clearance and robust 5/16-inch terminals support heavy-gauge wire lugs and high torque connections. Operating within a temperature range from -25°C to +82°C, this circuit breaker performs reliably across a variety of environmental conditions, making it suitable for demanding applications.

With a voltage rating of up to 48V DC and interrupt ratings reaching 5,000 Amperes at 12V DC, the Blue Sea Systems 7142 circuit breaker offers high current handling capacity essential for protecting critical electrical systems. Its compact size and rugged construction make it an excellent choice for both new installations and replacements in marine, RV, and automotive electrical systems. This device ensures safety, durability, and ease of use, helping maintain the integrity of your electrical setup while providing peace of mind during operation.

Features:

• Combines switching and circuit protection into a single device

• All components meet SAE J1171 external ignition protection requirements

• Clear, single lever operation for easy manual reset

• Trip-free design prevents holding ON during fault conditions

• Waterproof construction for reliable outdoor and marine use

• Recessed mounting holes for a clean installation

• Large clearance around terminal studs supports heavy gauge wire lugs

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

• Large lever provides clear trip status indication with vertical/horizontal orientation

• Ignition protected for safe installation aboard gasoline-powered boats