Car Yacht RV Battery Switch 50A 100A 200A Detachable Red Knob Heavy Duty Battery Isolator Cut Off Switch for Professional Racing Cars Touring Cars Electrical Equipment
Car Yacht RV Battery Switch 50A-200A with Detachable Red Knob for Secure Power Disconnect

This battery switch provides a simple, effective on/off control for electrical systems in professional racing cars, touring cars, yachts, RVs, and other vehicles. Its detachable red knob acts like a key, preventing unauthorised use or accidental starts. Available in 50A, 100A, and 200A ratings, it helps protect your battery from drain and adds a layer of safety during maintenance. The compact plastic body and thick wire screw connection ensure a reliable fit in tight engine bays or battery compartments.
Features and Construction

Designed for straightforward installation and daily use, this switch focuses on practical functionality without unnecessary complexity.
Material and Build
The switch body is made from durable plastic, keeping weight low while resisting corrosion. The thick wire screw terminals provide a secure, vibration-resistant connection for cables up to a substantial gauge.
Size and Practical Fit
Its compact footprint makes it easy to mount near the battery on cars, boats, or motorhomes. The red knob is sized for a comfortable grip, even with gloves.
Uses and Placement

This switch is ideal for any vehicle or vessel where isolating the battery is required for storage, maintenance, or competition rules.
Event or Professional Use
Professional racing cars and touring cars benefit from the quick disconnect function for parc ferme rules and safety during pit stops. The detachable knob prevents accidental reconnection.
Everyday Home Use
For RVs and boats, the switch helps prevent battery drain during periods of non-use. It also allows you to disconnect power when working on electrical systems, adding a safety measure at home or on the road.
Benefits and Buying Value

This switch offers a practical, low-cost solution for battery management with a simple design that lasts.
Reuse and Low Maintenance
With no moving electronics or complex parts, the switch is built for repeated use. Simply mount it, connect the cables, and use the knob to open or close the circuit. No special maintenance is required beyond keeping the terminals clean.
Why Choose This Product
Choose between three amperage ratings to match your system’s draw. The 50A version is suitable for smaller vehicles, while the 200A option handles higher demands from yachts and large RVs. The thick wire screws provide a reliable connection that resists loosening over time.





