This product is part of the Harmony 9001K range, offering Ø 30mm metal pushbuttons, switches, and pilot lights. It is a non-illuminated metal mushroom head for Emergency Stop, that operates with a turn-to-release mechanism. It is easily installed on compatible Emergency stop bodies and features a chromium plated metal bezel. It is distinguishable visually at a distance thanks to a clear color and a prominent mushroom shape. It is impact resistant, dust resistant, water resistant and vibration resistant. This metal head weighs 0.141kg (0.311lb) and has a push diameter of 43.5mm (1.712 inches). Its wide range of operating temperatures from -25°C to 70°C allows versatility in the usage of the product. This head meets many standards, including UL 508A, UL 60947-5-1, UL 60947-5-5, CSA C22.2 No 60947-5-1, and certifications such as UL, CSA and ABS. It holds CE marking. Pre-assembled bodies for non-illuminated Emergency stops can be purchased separately. The range of Ø 30mm metal and plastic control and signaling units provides robust and reliable solutions for a wide range of heavy industry applications.