This Harmony 9001K, modular illuminated red push button with screw-in head is supplied with a contact block. It has a chromium-plated metal bezel and is supplied with 110V AC transformer, it has a 35mm mushroom head with 1 x NO + 1 x NC contacts. This mushroom shaped push button with transformer is ideal for situations where quick actions are required for a process or machine to function correctly or where operator movements require maximum ergonomy. It is easily installed into a standard 30mm diameter panel cut-outs and connected with simple screw-clamp connections. It is clearly distinguishable visually at a distance thanks to its illuminated head and a prominent 35mm mushroom shape. It is impact resistant, dust resistant, water resistant and vibration resistant thanks to its IP65, making it ideal for operation in harsh environments. Impact and corrosion resistant metal bezel and body ensures product continues to operate even after severe accidents.