Battery Master Disconnect Switches
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125-Amp Disconnect Switch
Quarter-Max
$49.99Required by most sanctioning bodies, the master disconnect switch cuts off all electrical power in the car. Hardware and instructions included. Order a custom, laser cut bracket for this switch.QM-214116$49.99 -
125-Amp Lever
Quarter-Max
$24.99This black anodized CNC lever is used to convert a master disconnect to a "push-off" style. Fits switch #214116QM-214116S$24.99 -
Big Switch Battery Disconnect, 250 Amps
Flaming River
$113.99Required by most sanctioning bodies, the master disconnect switch cuts off all electrical power in the event of an accident. This is a 250 amp switch.Specifications:• Voltage: 12V/24V• Max Continuous Current: 250 Amps• Max Surge Current:...FLR-FR1003-1$113.99 -
Black Plastic Knob, 3/4" OD x 10-32 Female Thread
$7.99Plastic KnobSpecifications:• OD: 3/4"• Thread: 10-32 Female• Color: BlackQM-600083$7.99 -
Heavy Duty Master Disconnect Kit
Quarter-Max
$152.99This assembly allows all electrical power to be shut off for safety purposes. Features an easy and presentable inside installation. Comes with all hardware necessary, including the Big Switch 250 Amp Battery Disconnect. Welding required.QM-214216-1$152.99 -
Master Disconnect Kit
Quarter-Max
$91.99This assembly allows all electrical power to be shut off for safety purposes. Features an easy and presentable inside installation. Complete with lever, hardware and 125 amp switch. (welding required)QM-214216$91.99 -
Pressure Switch, 120 PSI
Modern Racing
$114.99Keep your car safe and NHRA compliant with Modern Racing’s 120 psi Pressure Switch. This switch is normally-open and designed to trigger a safety device that will disable the car's power in emergency situations. The 120psi Pressure Switch monitors...MR-0102-003$114.99 -
Remote Electrical Arming Kit
Quarter-Max
$110.99Ever realized you forgot to turn on the electrical power after you strapped yourself into the seat? This simple kit allows you to easily turn on the electrical power from the driver’s seat. Also can be used to disconnect the electrical power in...QM-214215$110.99 -
Replacement Cable
Quarter-Max
$59.997 foot cable to the cable arming kit product #214215QM-214215-1$59.99 -
Solid State Battery Disconnect Switch Bracket
Quarter-Max
$20.99This Quarter-Max Solid State Battery Disconnect Switch Bracket was designed to be used with the Modern Racing Solid State Battery Disconnect. The Modern Racing switch is required to be used in NHRA Pro Stock and Pro Mod competition beginning in 2020.This...QM-410150$20.99