Description: A Heavy Duty on-off switch. This type can be used to switch the power supply to a circuit. Includes Knob Waterproof Cover specifically designed for this switch. Specification: Contacts configuration SPST AC contacts rating 15A/125VAC ; 10A/250VAC DC contacts rating n/a Switching method ON-OFF Leads M3 screws Contact resistance: 50m? max Insulation Resistence: 500VDC 1000M? min Dielectric Strength: 1500VAC,1 Minute Operating Temperature: -25 °C~+85 °C Electrical Life: 10000 Cycles Mounting hole diameter: Approx. Ø12.2mm/0.48 Inch Body Dimensions: Approx. 29 x 15.8 x 19mm/1.14*0.6*0.7 Inch Knob Height: Approx. 17.5mm/0.7 Inch Package Includes: 5 Pieces Toggle Switches 5 Pieces Knob Covers