Halloween Special Blue Sea 7139 187 - Series Thermal Circuit Breaker - 50amp Series [SDWoRmN3]

Blue Sea 7139 187 Series Thermal Circuit Breaker: Essential Protection for Your System

The Blue Sea 7139 187 Series Thermal Circuit Breaker is a versatile and reliable solution for circuit protection and switching in a single device. This 50 Amp circuit breaker combines the functionalities of a switch and a circuit breaker, ensuring the safety and integrity of your electrical systems. With its clear, single lever operation, it offers a user-friendly experience and is designed to meet the stringent SAE J1171 external ignition protection requirements. This makes it an ideal choice for marine applications, particularly aboard gasoline-powered boats.

Key Product Properties and Specifications

The 187 Series Thermal Circuit Breaker is crafted with a thermoset polyester case, providing durability and resistance to harsh environments. With a maximum voltage rating of 48 Volts DC, it is designed to handle a wide range of electrical systems. The interrupt rating is impressive, with 5,000 Amperes at 12 Volts DC, ensuring it can effectively interrupt fault currents. The operating temperature range of -25°C to +82°C ensures reliable performance in various conditions. Its robust 5/16 terminals offer high torque connections, while the large clearance around terminal studs accommodates heavy gauge wire lugs for easy installation.

Practical Applications and Benefits

This thermal circuit breaker is an essential component for ensuring the safety and efficiency of your electrical systems. Whether you are outfitting a marine vessel or upgrading your vehicle's electrical setup, the 187 Series provides peace of mind with its "Trip Free" design, which prevents the circuit from being held "ON" during fault current conditions. The waterproof construction and recessed mounting holes contribute to a clean and professional appearance, while the large lever with vertical/horizontal orientation offers a clear indication of the trip status. This ignition-protected circuit breaker is not only safe for installation aboard gasoline-powered boats but also provides a robust and reliable solution for any application where electrical protection is critical.