Rotary Key Changeover Switch 2/3 Way Momentary Self-Latching Knob

Switch Pushbutton Switches22mm Rotary Key Switch Changeover Switch 2/3 Way Momentary Self-Locked Switch Safety Knob Switch for Distribution Board NC NOPress the power button to select normally open (NO)Press the power off button to select Normally Closed (NC)Self-reset (momentary) button: press to turn on: release and it bounces back to turn offLatching button: Self-locking: Press the power button then press it again to turn offAction frequency: 1200 times/hourRated insulation voltage: AC660V 50HZPower frequency withstand voltage: AC1890VRated heating current: 10AAmbient temperature: -25℃-+55℃