This Harmony 9001K, emergency stop / shutdown 30mm mushroom head modular red push button has 2 positions, operates with a latched turn to release mechanism. It has a chromium-plated metal bezel, has a chromium-plated metal bezel, has 1 x NO + 1 x NC contacts and uses screw-clamp terminals. This emergency stop / shutdown button is also called EMS (Emergency Machine Stop) and EMO (Emergency Off). It is easily installed into a standard 30mm diameter cut-outs and connected with simple screw-clamp connections. It is clearly distinguishable visually at a distance thanks to a clear color and a prominent 40mm mushroom shape. It is impact resistant, dust resistant, water resistant and vibration resistant thanks to its IP66, 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.