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Hot Sale Blue Sea 7543 C-series Flat Rocker Circuit Breaker - Single Pole - 20a [7543] Save Big: 70% Off [0I7iVF8B]

$21.99 $70.99 -69%

Blue Sea 7543 C-Series Flat Rocker Circuit Breaker - Single Pole - 20A The Blue Sea 7543 C-Series Flat Rocker Circuit Breaker is a single pole, 20A circuit breaker designed to provide superior protection for your marine electrical systems. This innov

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Hot Sale Blue Sea 7543 C-series Flat Rocker Circuit Breaker - Single Pole - 20a [7543] Save Big: 70% Off [0I7iVF8B]

Blue Sea 7543 C-Series Flat Rocker Circuit Breaker - Single Pole - 20A

The Blue Sea 7543 C-Series Flat Rocker Circuit Breaker is a single pole, 20A circuit breaker designed to provide superior protection for your marine electrical systems. This innovative circuit breaker combines switching and circuit protection into a single device, ensuring the safety and reliability of your equipment. With its "Trip Free" feature, the circuit breaker cannot be held closed after a trip, eliminating the risk of accidental re-engagement.

Key Features and Benefits

The Blue Sea 7543 C-Series Flat Rocker Circuit Breaker boasts several key features that make it an excellent choice for marine applications. The flush-mounted rocker actuator in the "ON" position minimizes the risk of accidental switching, while the color actuator clearly indicates the "OFF" position for easy identification. This circuit breaker provides overcurrent protection for inverters, bow thrusters, and windlasses, ensuring that your equipment is safeguarded against potential damage. Additionally, it is ignition protected, making it safe for installation aboard gasoline-powered boats.

Product Specifications and Technical Details

The Blue Sea 7543 C-Series Flat Rocker Circuit Breaker is designed to handle a maximum voltage of 240V AC / 48V DC and offers an amperage rating of 20A AC / 20A DC. It features a magnetic hydraulic mechanism for reliable operation and has an interrupt capacity of 3000A @ 120V AC / 3500A @ 240V AC / 5000A @ 32V DC. The circuit breaker is suitable for installation in temperatures ranging from -40° C to 85° C and comes with a #6-32 stainless steel mounting screw. With its 10,000 switching cycles and 1/4-20 tin-plated brass terminal stud, this circuit breaker is built to last and withstand the demands of marine environments. Whether you're outfitting a new boat or upgrading your existing electrical system, the Blue Sea 7543 C-Series Flat Rocker Circuit Breaker is a reliable and essential component for any marine application.

What Our Customers Say

January 18, 2026

Absolutely no complaints!

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January 18, 2026

Absolutely no complaints!

The product is a benchmark for quality.

- Tina Smith.

January 18, 2026

Absolutely no complaints!

I've recommended this to all my friends.

- Jennifer M..

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