... , CQC&RoHS listed 26years factory experience mini pushbutton switch with square shape; Specification:Contact Rating3A, 250V ACContact Resistance ≤50mΩInsulation Resistance≥1 ... ,000 for momentary Mechanical Configuration:latching&momentaryPushbutton Headround, mushroom, square, rectangular big square, big rectangularCap Colorsred, green, yellow, white, blueInput Voltage of ...