Saim Momentary Switch Mushroom Push Button Station Please notice that this switch is not for industrial purpose, DO NOT use in safety/emergency stop application. Push button station Action Type: Momentary; Contact Type: 1 NO, 1 NC Ui: 600V; Ith: 10A Red mushroom head Size(approx.): 4 x 2.3cm / 1.57" x 0.9" (D * H ); Box Size (approx.): 7.7 x 7.1 x 6.5cm / 3'' x 2.8'' x 2.5'' (l*w*h) Mounting screw Hole diameter(approx.): 5mm / 0.196"