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Versatile Blue Sea M-series Battery Switch On/off/on With Knob Limited Time 65% Off [2zIHYmNJ]

$19.99 $63.99 -69%

Blue Sea M-Series Battery Switch with Knob The Blue Sea M-Series Battery Switch is a versatile and reliable component designed for marine and automotive applications. This three-position switch, available in a vibrant red color, allows for easy contr

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Blue Sea M-Series Battery Switch with Knob

The Blue Sea M-Series Battery Switch is a versatile and reliable component designed for marine and automotive applications. This three-position switch, available in a vibrant red color, allows for easy control of battery connections. With its robust construction and user-friendly design, this switch is an essential tool for anyone looking to manage their electrical systems efficiently.

Key Features and Specifications

The Blue Sea M-Series Battery Switch is built to withstand the demands of marine environments. It features tin-plated copper studs for maximum conductivity and corrosion resistance, ensuring long-lasting performance. The studs accept 3/8" (M10) ring terminals and have a 7/8" (22mm) stud length to accommodate multiple cable terminals. The one-piece terminal stud design guarantees that the connections remain secure over time. This switch is also waterproof, rated IP66, making it suitable for installation in areas exposed to powerful jets of water.

Applications and Benefits

This switch is perfect for a variety of applications, including boat electrical systems, automotive setups, and more. With its ignition-protected design, it is safe for installation aboard gasoline-powered boats. The Blue Sea M-Series Battery Switch simplifies the process of switching between battery and load groups, providing convenience and control. Its high continuous rating of 300A and intermittent rating of 500A (5 min) ensure that it can handle heavy loads, making it a reliable choice for demanding electrical systems. With its easy surface or rear panel mounting, this switch is adaptable to various installation scenarios, offering flexibility and convenience.

What Our Customers Say

January 11, 2026

Absolutely no complaints!

It's a very reliable and well-made piece of equipment.

- Angela Y..

January 11, 2026

Absolutely no complaints!

It's a very solid and well-designed device. I am now a loyal fan.

- Jamie Y..

January 11, 2026

Absolutely no complaints!

This is a top-of-the-line item. The quality is superb.

- Finley P..

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