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Exclusive Deal Blue Sea 7139 187 - Series Thermal Circuit Breaker - 50amp [7139] Smart Choice [olJSw2aK]

$26.99 $86.99 -69%

Blue Sea 7139 187 Series Thermal Circuit Breaker - 50Amp The Blue Sea 7139 187 Series Thermal Circuit Breaker is a versatile and reliable solution for your electrical circuit protection needs. Designed for surface mounting, this 50Amp circuit breaker

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Exclusive Deal Blue Sea 7139 187 - Series Thermal Circuit Breaker - 50amp [7139] Smart Choice [olJSw2aK]

Blue Sea 7139 187 Series Thermal Circuit Breaker - 50Amp

The Blue Sea 7139 187 Series Thermal Circuit Breaker is a versatile and reliable solution for your electrical circuit protection needs. Designed for surface mounting, this 50Amp circuit breaker combines switching and circuit protection in a single device, making it an ideal choice for a wide range of applications. With its robust construction and advanced features, this circuit breaker is built to last and provide superior performance.

Key Features and Specifications

The Blue Sea 7139 187 Series Thermal Circuit Breaker boasts an array of features that set it apart from other circuit breakers on the market. Key features include a clear, single lever operation for easy control, a "Trip Free" design that cannot be held "ON" during fault current conditions, and a waterproof casing to protect against harsh weather conditions. This circuit breaker also meets SAE J1171 external ignition protection requirements, making it safe for installation aboard gasoline-powered boats. The large lever with vertical/horizontal orientation provides an easy indication of the trip status, ensuring quick and accurate responses to potential electrical issues.

Practical Uses and Benefits

The Blue Sea 187 Series Thermal Circuit Breaker is designed for a variety of practical uses, including automotive, marine, and industrial applications. Its robust 5/16 terminals provide high torque connections, while the large clearance around terminal studs accepts heavy gauge wire lugs. The recessed mounting holes contribute to a clean appearance, and the large lever with vertical/horizontal orientation makes it easy to monitor the trip status. With a voltage rating of up to 48 Volts DC and an interrupt rating of 5,000 Amperes @12 Volts DC, this circuit breaker is capable of handling high currents and providing reliable protection for your electrical systems. Don't settle for less when it comes to circuit protection – choose the Blue Sea 7139 187 Series Thermal Circuit Breaker for peace of mind and superior performance.

What Our Customers Say

January 21, 2026

Absolutely no complaints!

I'm happy with this very nice item.

- Sheri Z..

January 21, 2026

Absolutely no complaints!

It's an elegant solution that works so well.

- Serenity Q..

January 21, 2026

Absolutely no complaints!

A great product and a truly amazing deal.

- Maxim A..

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