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Ultimate Blue Sea 187-series 40 Amp Circuit Breaker Surface Mount 60% Off - Today Only [QA2YG053]

$20.99 $67.99 -69%

Blue Sea 187-Series 40 Amp Circuit Breaker Surface MountIntroducing the Blue Sea 187-Series 40 Amp Circuit Breaker, a versatile and reliable solution for your electrical protection needs. This surface mount circuit breaker combines switching and circ

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Blue Sea 187-Series 40 Amp Circuit Breaker Surface Mount

Introducing the Blue Sea 187-Series 40 Amp Circuit Breaker, a versatile and reliable solution for your electrical protection needs. This surface mount circuit breaker combines switching and circuit protection into a single device, making it an ideal choice for a wide range of applications. With its clear, single lever operation, the 187-Series ensures ease of use and quick access to your electrical systems. Key features include a "Trip Free" design that prevents it from being held "ON" during fault current conditions, ensuring safety and reliability.

Product Specifications and Technical Details

The Blue Sea 187-Series 40 Amp Circuit Breaker is designed to meet the highest standards of performance and safety. It features a thermally responsive bi-metal blade for accurate and reliable operation. The maximum voltage rating is 48vDC, making it suitable for a variety of electrical systems. This circuit breaker is designed for surface mounting, with recessed mounting holes for a clean and professional appearance. It accepts heavy gauge wire lugs due to its large clearance around terminal studs, and robust 5/16 M8 terminals provide high torque connections. Additionally, the large lever with vertical/horizontal orientation indicates the trip status, making it easy to monitor the condition of your electrical system.

Practical Uses and Target Audience

Whether you're installing electrical systems in a marine environment or need a reliable circuit breaker for your automotive or industrial applications, the Blue Sea 187-Series 40 Amp Circuit Breaker is the perfect choice. Its ignition protected design makes it safe for installation aboard gasoline powered boats, meeting SAE J1171 external ignition protection requirements. The wide operating temperature range of -40° C to 85° C ensures it can handle extreme conditions. With its combination of features and specifications, this circuit breaker is a must-have for anyone looking to protect their electrical systems from overloads and short circuits. Invest in the Blue Sea 187-Series today and experience the peace of mind that comes with knowing your electrical systems are safe and secure.

What Our Customers Say

January 1, 2026

Absolutely no complaints!

An unbeatable product for the money.

- Nola K..

January 1, 2026

Absolutely no complaints!

It’s a very solid and impressive gadget.

- Llyr Y..

January 1, 2026

Absolutely no complaints!

A great tool that is incredibly useful.

- Georgina G..

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