The IDEC YW1L-A4E10QM3G is an illuminated mushroom pushbutton with a maintained LED and a 240V rating, designed for 22mm mounting. This compact and lightweight unit features space-saving 10mm thick contact blocks and a durable metal bezel. The removable operator enhances flexibility, while the separate contact block simplifies installation and maintenance. Ideal for streamlined control panels, this pushbutton ensures easy operation with its unibody pilot lights and key selector switches.