This product is part of the Harmony XB4 range, an offer of 22mm metal pushbuttons, switches and pilot lights. This red Emergency stop pushbutton comes with a mushroom head. It operates with a turn to release mechanism. This mushroom headed pushbutton provides an ergonomic interface for controlling/stopping machines. It comes with 1 NC and 1 NC monitoring contact with slow break operation. It is clearly distinguishable visually at a distance due to a clear color and a prominent mushroom shape. It has a chromium plated metal bezal and has a 40mm diameter mushroom head. It is an IP66, IP67, IP69 and IP69K rated product and comes with CE, CCC, UKCA, EAC, UL and CSA certification. It is easily installed into a standard 22mm diameter panel cut-outs and connected to control circuits with screw-clamp connections. The Harmony XB4 range offers innovative features for simple and efficient use.