ITEM NAME:Momentary Start SPST Green Cap Push Button Switch 16mm AC 12V 3A 50ÃŽ © Description: - This push button switch is used for circuits control in electromagnetic starter, Contactor, Relay and other electric circuits. - It has the advantages of safety, longevity, reliability and excellent design, harmonious in colour, design and function. It's waterproof. - Momentary switch, press down to turn on then release to turn off. - Rate Voltage and Current: AC 125V 3A / AC 250V 1.5A - Material: Plastic frame, metal terminals ; Mounting hole diameter: 16mm Specification: - Material: Alloy - Model No. : DS-438 - Product type : Push button switch - Button head diameter: 20mm / 0.79inch - Contact Type : Top - Button color : black - Working voltage: 12 (V) - Mode of operation: open - Contact structure: normally open button - Protection method : Protected - Contact resistance: 50 (ÃŽ ©) (ÃŽ ©) - Insulation resistance: 100 (MÃŽ ©) (MÃŽ ©) - Operating temperature: -25-85 (Â °C) (Â °C) - Electrical life: 3-5 years - Mechanical life: 10000-50000 (times) - Panel thickness: 16 (mm) / 0.63inch - Custom processing: Yes - 3C rated voltage range: 440V or more - Colour: Black - Weight: 50 grams Package Included: 1 Piece Start Button Switch. Note: Color maybe slightly different due to different monitor. The above size is measured by hand, please allow slightly difference. Thanks !.It's waterproof. - Product type : Push button switch. - Colour: Black. 1 Piece Start Button Switch. - Button color : black. - Mode of operation: open. - Weight: 50 grams. - Material: Alloy.