Rotary Battery Disconnect Switch 500A – Car, RV & Boat 6V–24V

Rotary Battery Disconnect Switch – Heavy-Duty Brass, 500A Max

Keep your vehicle's electrical system protected and your battery in top condition with this robust rotary battery disconnect switch. Designed for cars, trucks, buses, RVs, boats, and trailers, this simple knob-style switch cuts all power flow in seconds — preventing unnecessary battery drain, electrical faults, and unauthorized use when your vehicle is parked or stored.

Key Features

• Wide Compatibility: Fits top-terminal and negative-terminal batteries. Supports 6V, 12V, and 24V battery systems. Rated current: 100A; Maximum current: 500A.
• Heavy-Duty Brass Construction: Made from corrosion-resistant brass for excellent conductivity, long-lasting durability, and safe operation in demanding environments.
• Simple Knob Operation: Rotate 90° upward to cut power (OFF state); rotate 90° downward to restore power (ON state). No tools required during operation.
• Easy Installation: Straightforward bolt-on installation — no special wiring skills needed. Fits standard battery terminals.
• Prevents Battery Drain: Isolates your battery from the electrical system when the vehicle is not in use, eliminating parasitic draw and extending battery life.
• Anti-Theft Protection: Disconnecting the battery with this switch helps deter unauthorized use and reduces the risk of theft.
• Widely Versatile: Works with a broad range of auxiliary electrical equipment — lights, fog lights, roof lights, chassis lights, and instant power cut-off devices.

Specifications

• Rated Current: 100A
• Maximum Current: 500A
• Compatible Voltage: 6V / 12V / 24V
• Material: Brass
• Terminal Type: Top terminal & negative terminal
• Compatible Vehicles: Cars, trucks, buses, RVs, boats, trailers
• Country of Origin: Made in China

Compatible Vehicles & Applications

This disconnect switch is ideal for a wide variety of 6V–24V battery-powered vehicles and vessels, including:

• Passenger cars & SUVs
• Trucks & commercial vehicles
• Buses & coaches
• Recreational vehicles (RVs) & campervans
• Boats & marine vessels
• Trailers & utility vehicles

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For more guidance on vehicle electrical safety and battery maintenance, visit the U.S. Consumer Product Safety Commission (CPSC).

Frequently Asked Questions

Q: What battery voltages is this rotary disconnect switch compatible with?

A: This battery disconnect switch is compatible with 6V, 12V, and 24V battery systems, making it suitable for a wide range of vehicles including cars, trucks, RVs, boats, and trailers.

Q: What is the maximum current this battery disconnect switch can handle?

A: The switch has a rated current of 100A for continuous use and a maximum peak current of 500A, making it suitable for heavy-duty automotive and marine applications.

Q: How do I operate the rotary battery disconnect switch?

A: Simply rotate the knob 90° upward to cut power (OFF state) and 90° downward to restore power (ON state). No tools are needed during everyday operation, making it fast and easy to use.

Q: Will this switch prevent battery drain when my vehicle is not in use?

A: Yes. By isolating the battery from the vehicle's electrical system, this switch eliminates parasitic draw from onboard electronics, helping to preserve battery life during storage or extended periods of non-use.

Q: Is this switch suitable for marine use?

A: Yes. The brass construction offers excellent corrosion resistance, making it well-suited for boats and marine environments in addition to land vehicles.