The IDEC YW1L-M4E10Q0Y is a non-illuminated, yellow mushroom pushbutton designed for momentary operation. It features a large 40mm actuator for easy activation and includes a single Normally Open (1NO) contact. This pushbutton ensures secure installation with its 22mm mounting system and offers enhanced safety with IP20 finger-safe terminals. Ideal for various industrial applications where quick and safe switching is required.