Product Name : Push Button Switch;Action Type : Lacthing;Contact Type : 1 NO + 1 NC;Poles : DPSTUi : 660V;Ith : 10A;Terminals Quanlity : 4 PinsButton Diameter : 40mm/ 1.6 inch ;Mount Hole Diameter : 22mm / 7/8 inch ;Fit Panel Thickness(adjustable) : 6mm / 15/64 inch (max.)Size : 60 x 70mm/ 2.4 inch x 2.8 inch (Max.D*H);Cap Lamp : Red;Material : Plastic,MetalColor : As Picture Shown;Weight : 46g;4 terminals, 22mm mounting hole, 1NO+1NC contact type, red mushroom emergency stop latching push button switch with yellow cap.Used widely to control the electromagnetic starter, contactor, relay and other automatic control electric circuits.Package Content : 4 x Push Button SwitchOnly the above package content, other products are not included.Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.