Item Name: Emergency Stop Push Switch Push to stop and lock, twist to reset, 2 screw terminals, 1 NC contact type, mushroom emergency stop push button switch. The switches are compactly structured and operate quickly and smoothly. Suitable for controlling electromagnetic devices, contactors, relays, and other automatic control electric circuits. Action Type: Latching Contact Type: 1 NC Ith: 10A; Ui: 600V Uimp: 6 kV AC 15: 240V 3A Button Diameter: 40mm / 1.6 inch Mount Hole Diameter: 2.2 cm / 0.87 inch (7/8 inch) Panel Thickness (Adjustable): Max 8.5 mm / 0.3 inch Size: 39 x 29 x 73 mm / 1.5 x 1.1 x 2.9 inch (L x W x H) Material: Plastic and Metal Main Color: Red, Black Net Weight: 98 g Package Content: 2 x Emergency Stop Switch Note: Light reflection and different displays may cause slight color variations between the item in the picture and the actual product. Measurement may vary by +/- 1-3 cm.