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All-in-one Blue Sea 11003 Hd-series Battery Switch W/alternator Field Disconnect - 3-position [11003] Travel Size [U8D5RkSj]

$20.99 $67.99 -69%

Blue Sea 11003 HD-Series Battery Switch: Essential Marine Protection The Blue Sea 11003 HD-Series Battery Switch is a vital component for any marine electrical system, designed to meet the stringent American Boat and Yacht Council (ABYC) requirements

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All-in-one Blue Sea 11003 Hd-series Battery Switch W/alternator Field Disconnect - 3-position [11003] Travel Size [U8D5RkSj]

Blue Sea 11003 HD-Series Battery Switch: Essential Marine Protection

The Blue Sea 11003 HD-Series Battery Switch is a vital component for any marine electrical system, designed to meet the stringent American Boat and Yacht Council (ABYC) requirements. This switch is not only ignition protected, ensuring safety for installation aboard gasoline-powered boats, but also offers a versatile case design that allows for either surface or rear panel mounting. With its robust construction and user-friendly features, this battery switch is a reliable choice for any boater looking to protect their investment and ensure a safe boating experience.

Technical Specifications and Features

Engineered for maximum performance and durability, the Blue Sea 11003 HD-Series Battery Switch accepts two 4/0 AWG (95mm) battery cables and features M12 tin-plated copper studs for superior conductivity and corrosion resistance. The switch is equipped with 7/8" (22.22mm) stud length to accommodate multiple cable terminals, making it a versatile solution for various boat sizes and configurations. Its tactile textures provide a clear indication of the knob position by feel, ensuring ease of use even in challenging conditions. With switch ratings up to 2750A for 10 seconds, this product is built to handle the demands of marine applications.

Practical Applications and Benefits

The Blue Sea 11003 HD-Series Battery Switch is an essential tool for any boater, offering numerous practical applications and benefits. Whether you are a weekend warrior or a seasoned mariner, this switch provides the peace of mind that comes with knowing your boat's electrical system is secure. Its alternator field disconnect feature adds an extra layer of protection, preventing damage to your electrical system during operation. With its compact design and easy installation, this battery switch is the perfect solution for enhancing the safety and functionality of your marine electrical setup.

What Our Customers Say

January 27, 2026

Absolutely no complaints!

It’s a very handy and solid product.

- Pansy Y..

January 27, 2026

Absolutely no complaints!

This is an impressive and useful gadget.

- Elffin Z..

January 27, 2026

Absolutely no complaints!

A great product that is very clever.

- Keane J..

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