momentary square pushbutton switch; with illuminator mounting hole:10mm,.12mm,16mm CE, CQC&RoHS momentary pushbutton switch; Specifications:Contact Rating3A, 250V ACContact Resistance ≤50m ... ,000 for momentary Mechanical Configuration:latching&momentaryPushbutton Headround, mushroom, square, rectangular big square, big rectangularCap Colorsred, green, yellow, white, blueInput Voltage of ...