The KJD17 series pushbutton switch features an industrial design with a PVC cap for dust and water protection to an IP54 rating. An electromagnet inside the switch provides automatic safety protection against power outages and restarts. Specs include a life expectancy of 10,000 cycles, contact ratings of 16A at 12 Vac, 16A at 220/240 Vac, 1/2HP at 120 Vac, and 2HP at 220/240 Vac a contact resistance at 50-mΩ initial, insulation resistance of 100 MΩ at 500 Vdc, dielectric strength of 1.5 kVac for one minute, and an operating temperature of -20°C to +70°C. E-SWITCH INC., Minneapolis, MN. (800) 867-2717.