Description:The push button switch station have one switch, a NO NC momentary mushroom emergency stop switch, with protective cover, yellow and black case.Can be widely used to control the electromagnetic , contactor, relay and other automatic control electric circuits.Comes with quick connect terminals to allow for fast connections. Specification:Material: PCAction Type: LatchingContact Type: NO NCButton Color: RedIth: 10A; Ui: 415V Screw Hole Dia: 4mm / 0.16"Button Hole Size: 22mm/ 0.86"Outlet Hole Diameter: 20mm/ 0.79"Protective Cover Dia: 54.5mm / 2.15"Hole Distance(center to center): 54 x 49mm/ 2.13" x 1.93" (L*W)Total Size (Approx.): 78 x 72 x 100m / 3.07 x 2.83 x 3.94" (L*W*T) Package Content:1 x Push Button Switch Station.