Blue Sea Systems 187-Series 150 Amp Surface Mount Circuit Breaker (Part Number 7148-BSS)

Blue Sea 187-Series 150 Amp Circuit Breaker Surface Mount

The Blue Sea Systems 187-Series Circuit Breaker with part number 7148-BSS is designed for reliable circuit protection and switching in marine and industrial applications. This 150-amp device combines the functions of a circuit breaker and a switch into a single, compact unit, simplifying installation and reducing clutter. Its waterproof construction ensures dependable operation in harsh environments, making it suitable for outdoor or marine use. The clear, single lever operation provides intuitive control, while the large lever with vertical or horizontal orientation offers easy trip status indication for quick diagnostics. Recessed mounting holes contribute to a clean appearance, and the robust 5/16 M8 terminals allow high torque connections capable of handling heavy gauge wire lugs. The breaker features a trip-free design that prevents it from being held in the 'ON' position during fault conditions, enhancing safety. Its ignition protection compliance (SAE J1171) ensures safe installation aboard gasoline-powered boats, minimizing risk in combustible environments. This thermally responsive bi-metal blade circuit breaker supports a maximum voltage of 48VDC and has an interrupt capacity of 5000A at 12V, providing ample protection for demanding electrical systems. The terminal studs are torque-rated at 75 in-lb (8.47 Nm), ensuring secure wiring connections. Overall, the Blue Sea Systems 187-Series 150 Amp Surface Mount Circuit Breaker combines durability, safety, and ease of use for marine and industrial electrical systems.

Features:

• Combines switching and circuit protection into a single device

• Clear, single lever operation for easy control

• Trip-free design prevents holding the breaker 'ON' during faults

• Waterproof construction for reliable operation in harsh environments

• Recessed mounting holes for a clean appearance

• Large clearance around terminal studs accommodates heavy gauge wire lugs

• Robust 5/16 M8 terminals for high torque connections

• Large lever with vertical/horizontal orientation indicates trip status

• Ignition protected and compliant with SAE J1171 safety standards

• Supports up to 48VDC with a 5000A interrupt capacity