# Buy FIA-certified master switch at Autoservice ## FIA-certified master switch with waterproof cover and resistor Electrical / Switches & control lights / Battery circuit breakers Reliable master switch for motorsport, including waterproof cover and resistor. ## Prices and stock - **SIN-BL-SC29071**: € 87,03 incl. VAT — 1 in stock ## Order URL [FIA-certified master switch with waterproof cover and resistor](https://www.auto-service.be/en/electrical/switches-control-lights/battery-circuit-breakers/circuitbreaker-waterproof-cap-resistor-key-1pcs) ## Alternate URLs - **nl**: [FIA-certified master switch with waterproof cover and resistor](https://www.auto-service.be/nl/elektro/schakelaars-controle-lichtjes/accu-stroomonderbrekers/circuitbreaker-waterdichte-kap-weerstand-sleutel-1st) - **fr**: [FIA-certified master switch with waterproof cover and resistor](https://www.auto-service.be/fr/electrique/interrupteurs-et-voyants-de-controle/disjoncteurs-de-batterie/disjoncteur-etanche-resistor-cle-1pc) - **en**: [FIA-certified master switch with waterproof cover and resistor](https://www.auto-service.be/en/electrical/switches-control-lights/battery-circuit-breakers/circuitbreaker-waterproof-cap-resistor-key-1pcs) ## Images - ![Product image](https://www.auto-service.be/assets/media/14029/conversions/circuitbreaker-waterdichte-kap-weerstand-sleutel-1st-15687-optimized.jpg) ## Specifications - **Reference**: SIN-BL-SC29071 ## Product description ### Reliable master switch for motorsport This FIA-certified master switch is designed to completely cut off the power supply in your car, in accordance with the strict requirements of the FIA. This ensures increased safety during motorsport events. ### Includes waterproof cover and resistor The switch comes with a waterproof cover that protects against dirt and moisture, and a resistor that prevents the alternator from being damaged when switching off. This contributes to the durability and reliability of your car's electrical system. ### Technical specifications - **Voltage:** 12/24V - **Continuous current:** 100A at 12V, 50A at 24V - **Peak current (5 sec):** 500A at 12V, 250A at 24V - **Connections:** M10 bolts for secure connections - **Mounting:** Two mounting holes with a distance of 38 mm ### Suitable for various motorsport disciplines This master switch is ideal for different forms of motorsport, including: - Brisca F2 - British Drift Championship - Autograss racing - Circuit racing - Rally - Rallycross - Track days ### Easy installation and use The switch comes complete with: - Removable key with small hole for a pull cable - Waterproof cover for protection against dirt - Resistor to protect the alternator - Mounting instructions for hassle-free installation With this complete set, you are assured of safe and reliable power interruption in your vehicle, essential for every serious motorsport enthusiast. ## Breadcrumbs - [Electrical](https://www.auto-service.be/en/electrical) - 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