... hole:10mm,12mm,16mm used in instrument and automatic control small pushbutton switch; Specifications:Contact Rating3A, 250V ACContact Resistance ≤50mΩInsulation ... ,000 for momentary Mechanical Configuration:latching&momentaryPushbutton Headround, mushroom, square, rectangular big square, big rectangularCap Colorsred, green, yellow, white, blueInput Voltage of ...