The IDEC YW4L-MF2E20QM3G is a 22mm illuminated pushbutton with momentary action, designed for 230/240V applications. This compact and lightweight unit features space-saving, 10mm thick contact blocks and a removable operator for flexibility. It comes with a durable metal bezel and offers unibody pilot lights and key selector switches. The separate contact block design simplifies installation and maintenance procedures.