This emergency stop / shutdown button, also called EMS (Emergency Machine Stop) and EMO (Emergency Off) is easily installed into standard 16mm diameter cut-outs and connected with simple faston connectors It is clearly distinguishable visually at a distance thanks to a clear color and a prominent 30mm 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 High performance International standards & certifications ( Marine certification, IP65)