The IDEC YW4B-M1E03B is a flush pushbutton featuring a black metal bezel and designed for 22mm mounting. This compact and lightweight unit includes three normally closed (NC) contact blocks that are only 10mm thick, optimizing space within control panels. The pushbutton's removable operator and separate contact block design facilitate straightforward installation and maintenance. Additionally, it offers the versatility of unibody pilot lights and key selector switches to suit various industrial applications.