Description Emergency stop mushroom push button switch Locks in place when pressed (stays locked in place until rotated clockwise ∼90°) Rated insulation voltage: Ui 660V Conventional thermal current: Ith 10A Mounting hole: 22mm View more Dimensions Size: 40 x 40 x 68 mm Links PDF File Specifications Ambient air temperature: -25°C to +55°C Relative air humidity: 45~85%RH Plastic 40mm mushroom momentary operators Material: Plastic and metal Button color: Red