Perko Single Battery Disconnect Switch w/Mounting Ring & Legs - Bulkhead Mount One Size. They can also serve as an emergency main disconnect switch in the event of an electrical problem.The Single Battery Disconnect Switch is Ignition Protected.Materials & FinishRed polycarbonate polymer body Black polymer actuator key Nickel plated terminals Specifications for Perko Single Battery Disconnect Switch w/Mounting Ring & Legs: Manufacturer: Perko Color: Black Features of Perko Single Battery Disconnect Switch w/Mounting Ring & Legs Red polycarbonate polymer body with black polymer actuator keys Panel mount with backing plate or bulkhead mount with mounting legs Rating: 140 Amps Continuous 200 Amps 5 Min. Intermittent 250 Amps 30 Second Start Ignition Protected Face Dimensions: 3" x 2-1/2" Package Contents: Perko Single Battery Disconnect Switch w/Mounting Ring & Legs Perko 9621DP: Single Battery Disconnect Switch w/Mounting Ring & Legs - Bulkhead Mount One Size