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Hot Deal Blue Sea 7143 187 - Series Thermal Circuit Breaker - 90amp [7143] And More [pF7gVeqv]

$25.99 $83.99 -69%

Blue Sea 7143 Series Thermal Circuit BreakerIntroducing the Blue Sea 7143 Series Thermal Circuit Breaker, a reliable and versatile solution for your electrical protection needs. This 90Amp circuit breaker combines switching and circuit protection in

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Hot Deal Blue Sea 7143 187 - Series Thermal Circuit Breaker - 90amp [7143] And More [pF7gVeqv]

Blue Sea 7143 Series Thermal Circuit Breaker

Introducing the Blue Sea 7143 Series Thermal Circuit Breaker, a reliable and versatile solution for your electrical protection needs. This 90Amp circuit breaker combines switching and circuit protection in a single device, ensuring maximum safety and efficiency. Designed with a "Trip Free" feature, it cannot be held "ON" during fault current conditions, providing added peace of mind. The waterproof design and recessed mounting holes make it an ideal choice for both marine and automotive applications. Its clear, single lever operation and large lever with vertical/horizontal orientation offer easy access and clear indication of trip status, making it a user-friendly choice for any electrical system.

Key Product Features and Specifications

Featuring thermally responsive bi-metal blade technology, the Blue Sea 7143 Series Circuit Breaker offers high-quality performance and reliability. It meets SAE J1171 external ignition protection requirements, making it suitable for installation aboard gasoline-powered boats. With a voltage rating of 48 Volts DC maximum and interrupt ratings of up to 5,000 Amperes @12 Volts DC, this circuit breaker is built to withstand the demands of heavy-duty applications. Its robust 5/16 terminals provide high torque connections, ensuring a secure fit for heavy gauge wire lugs. The operating temperature range of -25°C to +82°C makes it versatile for use in a wide range of environments.

Practical Uses and Target Audience

Whether you're a boater, RV enthusiast, or an automotive electrician, the Blue Sea 7143 Series Thermal Circuit Breaker is an essential tool for ensuring the safety and performance of your electrical system. Its durable design and user-friendly features make it ideal for daily use, offering peace of mind in a variety of scenarios. With its versatility and reliability, this circuit breaker is a must-have for anyone looking to protect their electrical equipment from potential hazards. Upgrade your electrical protection system with the Blue Sea 7143 Series Circuit Breaker and enjoy the benefits of top-notch performance and safety.

What Our Customers Say

January 22, 2026

Absolutely no complaints!

A product that truly, truly, truly does deliver.

- Geraint A..

January 22, 2026

Absolutely no complaints!

This is a great and a very, very smart purchase.

- Catrin J..

January 22, 2026

Absolutely no complaints!

This is a very fine example of true quality.

- Urban X..

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