Master Battery Cutoff Disconnect Switch and Battery Cable Couplers
Energizing Solutions to satisfy your race car electrical needs
Master Battery Cutoff Disconnect Switch and Battery Cable Couplers
Race Car Battery Disconnect Switches & Battery Cable Couplers — Mandated Safety Equipment for NHRA, NASCAR & SCCA
Battery disconnect switches are required safety equipment for virtually every sanctioned racing series — and a smart addition to any performance vehicle. The Chassis Shop carries the complete Pro-Werks lineup of master cutoff switches, remote activation levers, quick-disconnect battery couplers, and remote battery terminals to keep your electrical system safe, compliant, and race-ready.
Master Battery Cutoff / Disconnect Switches — 175 Amp Continuous, Sanctioning Body Approved
When spliced into the positive battery cable, the Pro-Werks master cutoff switch positively shuts off all electrical current — rated at 175 amps continuous. Required by most sanctioning bodies. Available as a standalone switch or as a complete kit with lever, remote rod, and tee handle.
- Switch Only — 175 Amp Continuous — Pro-Werks Master Battery Cutoff / Disconnect Switch — accepts C72-026 lever for remote cable or linkage activation
- Complete Kit — Switch, Lever, 18" Remote Rod & Tee Handle — Pro-Werks Master Battery Cutoff Switch Kit with Lever, Rod & Tee Handle — everything needed for a complete remote-activation disconnect installation
Billet Aluminum Disconnect Switch Lever — Remote Activation via Cable or Linkage
The Pro-Werks billet aluminum battery cutoff switch lever (C72-026) is CNC-machined and silver anodized for durability. Dual 1/4" diameter holes allow for different activation ratios or multiple cable and linkage connections. Includes stainless steel locking screws. Fits the Pro-Werks C72-025 switch and Cole Hersee-style battery disconnect switches.
- Silver Anodized Billet Aluminum, Dual 1/4" Holes, Stainless Locking Screws — Pro-Werks Billet Aluminum Battery Cutoff Switch Lever — fits C72-025 & Cole Hersee-style switches, remote cable or linkage activation, Made in USA
Quick Disconnect Battery Couplers — 175 Amp, 600 Volt, Up to 1/0 AWG
Pro-Werks quick-disconnect battery couplers provide a fast, secure connection for charging or re-energizing your race car’s battery without opening the hood or accessing the battery directly. Compact bright-red design, rated 175 amps and 600 volts maximum, accepts wire up to 1/0 AWG. Measures 2-1/8"W × 3-1/8"L × 1"H. Available as a complete kit or individual components:
- Complete Kit — 2 Couplers, Dust Cover & Pull Handle — Pro-Werks Quick Disconnect Battery Coupler Kit, 175A / 600V — everything needed for a complete quick-disconnect battery charging setup
- Individual Coupler — 175 Amp, 600 Volt — Pro-Werks Quick Disconnect Battery Coupler — handle and dust cover sold separately
- Dust Cover — Flexible, Non-Conductive, Built-In Lanyard Tether — Pro-Werks Battery Coupler Dust Cover — keeps foreign material out of the coupler, tethered to stay in place
- Pull Handle — Plastic-Coated Steel, Durable & Comfortable Grip — Pro-Werks Battery Coupler Pull Handle — mounts to the remote coupler half for easier connection
Remote Battery Terminals — 6 to 36 Volt, Inside or Outside Mounting
Pro-Werks remote battery terminals allow convenient connection to a battery charger without direct battery access. Rated 6 to 36 volts. Includes one positive (red) and one negative (black) terminal.
- Remote Battery Terminals — 6–36V, Positive & Negative Pair — Pro-Werks Remote Battery Terminals — accepts standard battery charger connections
Complete Your Build
Battery disconnect switches and couplers work hand-in-hand with these related components from The Chassis Shop:
- Levers — Pro-Werks billet aluminum control levers for remote activation of battery disconnect and safety systems
- Access Door Kits — aeronautical-style aluminum access doors for quick access to disconnect switches through body panels
- Cables & Cable Hardware — throttle, fuel shutoff, and system cables that complete your race car’s control and safety setup
- Rod Ends — FK Bearing and Aurora heim joints for linkage and control systems alongside your electrical setup
Proudly Made in the USA.









