Battery Disconnect Isolator Cut-Off Switch – 50A / 100A / 200A / 300A

Take full control of your vehicle's electrical system with this heavy-duty battery disconnect isolator switch. Designed for race cars, rally vehicles, motorcycles, trucks, RVs, campers, and boats, this robust cut-off switch lets you instantly disconnect the battery — protecting your electrical system from parasitic drain, short circuits, and unauthorized use when your vehicle is parked or stored.

Why You'll Love It

Multiple Current Ratings: Available in 50A, 100A, 200A, and 300A to match your specific vehicle's electrical demands.
Detachable Knob Security: Simply remove the knob when the vehicle is unattended to prevent unauthorized starting — a simple, effective anti-theft measure.
Solid Construction: Built with an ABS plastic housing and a copper-plated silver inner core for excellent conductivity and long-lasting durability.
Easy Installation: Compact, straightforward design makes fitting quick and hassle-free — no specialist tools required.
Wide Compatibility: Suitable for cars, motorcycles, trucks, boats, RVs, campers, and more.
DC 32V Working Voltage: Perfectly rated for 12V and 24V vehicle battery systems.

Specifications

Material	ABS Plastic + Copper-Plated Silver Inner Core
Color	Blue & Black
Working Voltage	DC 32V
Rated Current Options	50A / 100A / 200A / 300A
Knob	Detachable
Country of Origin	Made in China

Package Includes

1 × Battery Disconnect Isolator Switch

Compatible With

Cars, Rally & Race Vehicles, Motorcycles, Trucks, Boats, RVs, Campers, and other DC-powered vehicles.

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Safety & Standards Reference

For guidance on vehicle electrical safety and automotive wiring best practices, refer to the U.S. Consumer Product Safety Commission (CPSC).

Important Notes

Photos may not reflect actual size — please refer to the specifications above for exact dimensions.
Minor measurement differences may occur due to manual measurement.
Color may vary slightly between monitors and the actual product.

Frequently Asked Questions

Q: What vehicles is this battery disconnect isolator switch compatible with?

A: This battery cut-off switch is compatible with a wide range of DC-powered vehicles including cars, race and rally cars, motorcycles, trucks, boats, RVs, and campers. It works on any vehicle system operating at up to DC 32V.

Q: What does the detachable knob feature do?

A: The detachable knob allows you to remove the switch key/knob when your vehicle is unattended. With the knob removed, the battery is fully disconnected and the vehicle cannot be started, providing a simple anti-theft and battery protection function.

Q: Which current rating should I choose — 50A, 100A, 200A, or 300A?

A: Choose a current rating that meets or exceeds the peak current draw of your vehicle's electrical system. Standard passenger cars and motorcycles generally work well with 50A–100A. Trucks, boats, and RVs with high-draw accessories may benefit from 200A or 300A ratings. When in doubt, choose a higher rating for added headroom and safety.

Q: Is this switch easy to install without a mechanic?

A: Yes — the battery disconnect switch features a compact design and straightforward terminal connections, making it suitable for most DIY installations. Simply wire it in-line between the battery terminal and the main circuit. Always disconnect the battery before beginning any electrical work.