Push Button Switch, Sensor Switch, Overload Protector manufacturer / supplier in China, offering 16mm 2no2nc 3 Position Stainless Steel Electric Key Switch - 250VAC 3A, 2 4 Pin Switch Waterproof Square Round LED Momentary or Latching Type Plastic 5-30mm Push Button, Hot Selling 8mm Mounting Size 12V 24V Neon Lamp Indicator Metal Housing Alarm Indicator Light for Industry Control Panel and so on.