This Harmony XB5, illuminated modular blue push button operates with a spring return mechanism, is supplied with 220V to 240V AC, uses a universal LED and screw clamp terminals.::This illuminated push button provides an ergonomic and visual interface for controlling your machines.::It is easily installed into standard 22mm diameter panel cut-outs and connected to control circuits with classic screw-clamp connections.::It is clearly distinguishable visually at a distance thanks to a bright and long lasting LED illumination.::It is impact resistant, dust resistant, water resistant and vibration resistant thanks to its IP66 / IP67 / IP69 / IP69K, making it ideal for operation in harsh environments.::Its plastic bezel makes it ideal for applications requiring good resistance to chemical agents and/or double electrical insulation.