Blue Sea Systems 7039 187 Series 50 Amp Thermal Circuit Breaker for Panel Mounting

• 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
  
• Self-trimming case eliminates the need for mounting panels or trim bezels
  
• Round case permits easy installation with standard sized hole saw
  
• 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 7039 187 Series Thermal Circuit Breaker provides reliable overcurrent protection and switching capabilities in a compact panel mount design. This 50 Amp circuit breaker combines circuit protection with manual switching, ensuring safe operation and easy control in marine, RV, and industrial applications. Its thermally responsive bi-metal blade responds quickly to fault conditions, automatically tripping to protect connected equipment and wiring from damage. The waterproof case and ignition protection compliance meet SAE J1171 standards, making it suitable for installation aboard gasoline-powered boats and other demanding environments. The large, easy-to-operate lever can be mounted in vertical or horizontal orientation, allowing quick status assessment and convenient reset after trips. Its recessed mounting holes and self-trimming case simplify installation, providing a clean, professional appearance without additional mounting hardware. The round case design permits installation with standard hole saws, while the large terminal studs accommodate heavy gauge wire lugs for high-torque connections. Operating across a temperature range from -25°C to +82°C, this circuit breaker is built to withstand harsh conditions. It features a trip-free mechanism, ensuring it cannot be held in an ON position during faults, enhancing safety and system reliability. The device's robust construction and high interrupt ratings—up to 5,000 Amperes at 12 Volts DC—make it suitable for various high-current applications, providing peace of mind during operation. Note that this product contains chemicals regulated under California Proposition 65, and proper handling is recommended. Designed by Blue Sea Systems, the 7039 model offers a durable, efficient, and compliant solution for circuit management in demanding environments.

Features:

• Combines switching and circuit protection in a single device

• Meets SAE J1171 external ignition protection standards

• Clear, single lever operation for easy control

• Trip-free design prevents holding the switch during fault conditions

• Waterproof construction for demanding environments

• Recessed mounting holes for a clean appearance

• Self-trimming case simplifies installation without additional panels or bezels

• Round case allows installation with standard hole saws

• Large clearance around terminal studs accommodates heavy gauge wire lugs

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

• Large, versatile lever indicates trip status with vertical/horizontal mounting options

• Ignition protected for safe installation aboard gasoline-powered boats