Blue Sea Systems 7148 187-Series 150 Amp Thermal Circuit Breaker for Marine and Vehicle 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 7148 187-Series thermal circuit breaker is a reliable solution designed for demanding marine and vehicle electrical systems. With a 150 Amp rating, this surface-mount device combines circuit protection and switching functions into a single compact unit. Crafted from durable thermoset polyester, the breaker is built to withstand harsh environments and provides a waterproof seal for added protection against moisture and water ingress. Its large, easy-to-operate lever offers clear trip status indication and can be oriented vertically or horizontally to suit installation preferences. The recessed mounting holes contribute to a clean appearance, while the large clearance around terminal studs accommodates heavy-gauge wires and high-torque connections, ensuring secure electrical contact. Designed to meet SAE J1171 external ignition protection standards, this breaker is safe for installation aboard gasoline-powered boats, offering peace of mind in marine environments. The trip-free design ensures the circuit cannot be held in the ON position during fault conditions, enhancing safety and system integrity. Key features include a trip-free mechanism, clear single-lever operation, and robust terminals for reliable connections. The device operates effectively within an ambient temperature range of -25°C to +82°C, making it suitable for a wide array of applications. With a high interrupt rating of up to 5,000 amperes at 12 volts DC, the Blue Sea 7148 provides dependable protection against short circuits and overloads, safeguarding sensitive electrical components and wiring. This circuit breaker is an essential component for marine, RV, and utility vehicle electrical systems where durability, safety, and performance are paramount. Designed to meet industry standards and built for longevity, the Blue Sea Systems 7148 is an excellent choice for professionals seeking a dependable, high-capacity thermal circuit breaker for critical electrical protection.

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 trip status indication

• Trip-free design prevents holding the breaker ON during fault conditions

• Waterproof construction ensures reliable performance in wet environments

• Recessed mounting holes for a clean, professional appearance

• Large clearance around terminal studs accommodates heavy-gauge wire lugs

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

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

• Ignition protected for safe installation aboard gasoline-powered boats