This product is part of the Easy Harmony XA2 range, an offer of Ø 22mm plastic pushbuttons, switches and pilot lights. This emergency switching off pusbutton comes with a mushroom head. It comes with turn to release operation. This mushroom headed pushbutton provides an ergonomic interface for controlling machines. It has 1 NC contact with slow-break operation. This is a plastic pushbutton. It has a 40mm diameter mushroom head. It is an IP65 rated product and comes with CE, CCC and EAC certification conforming to GB 14048.1, IEC 60947-1, GB 14048.5 and IEC 60947-5-1 standards . It is easily installed into a standard 22mm diameter panel cut-outs and connected to control circuits with screw-clamp connections. It is clearly distinguishable visually at a distance due to its clear color. It is impact resistant, dust resistant, water resistant and vibration resistant making it suitable for operation in harsh environments.