SPST Black Push Off Mini Pushbutton Switch
Type : SPST Momentary, Rating: 1A 125V ac / 0.5A 250V ac, Contact resistance: 2.5V dc 1A 20mΩ or less, Insulation resistance: 500V dc 100MΩ or more, Voltage breakdown: 1000V ac 1minute, Mounting hole diameter: 7mm