Reliable power interruption for your vehicle

The HELLA battery master switch offers an efficient way to completely cut off your car's power supply. With a simple turn, you interrupt the electrical circuit, helping to prevent unwanted battery discharge and reducing the risk of theft and fire hazards.

Universal compatibility and easy installation

This master switch is designed for universal use and can be connected to either the positive or negative terminal of the battery. Thanks to the M10 connection thread and screw mounting method, installation is simple and secure.

• Connection thread: M10
• Mounting method: Screwed
• Number of connections: 2

High load capacity for various applications

The switch is suitable for vehicles with both 12V and 24V systems and can handle high currents, making it ideal for different applications.

• Maximum load at 12V: 1000A (10 seconds)
• Maximum load at 24V: 500A (10 seconds)
• Continuous load at 24V: 150A

Durable design with practical operation

Equipped with a rotary knob for easy operation and supplied with nuts for complete installation. The robust design meets the DIN/ISO 40050-IPX2 standard, ensuring reliable operation under various conditions.

• Control type: Rotary knob activation
• DIN/ISO: 40050-IPX2
• Includes nuts for mounting

Suitable for various vehicle brands

This master switch is compatible with a wide range of vehicles, including models from BMW, Mercedes-Benz, Volvo, and more. Check the OEM numbers to confirm compatibility with your vehicle.

• BMW: 4 192 725 / 8 356 483
• Mercedes-Benz: A 000 545 49 08 / A 000 545 97 08
• Volvo: 1 263 488 / 1 434 429 0

Technical specifications

• Pitch: 1.5 mm
• Switch function: Closer
• Current: 50A

With the HELLA battery master switch, you ensure a reliable and safe interruption of the power supply in your vehicle, contributing to the protection of both the battery and the entire electrical system.