... /30mm 3.OEM service,over 25 years experience rotary key switch IP65 ; Specifications: Contact Rating10A, 250V ACContact Resistance ≤50mΩInsulation Resistance ... for DCLife Expectancy(Electrical)300,000 for latching, 1,000,000 for momentary Mechanical Configuration:latching&momentaryPushbutton Headround, mushroom Cap colorsred, green ... ,220V,380V AC 110V, 220V, 380V 22mm/30mm rotary key switch IP65