L21AK60-3EABL11 is an illuminated pushbutton switch featuring a 22mm diameter with spring return mechanism and projecting button style, equipped with a blue LED indicator block. The switch is rated for 12/24 VAC/DC operation and provides NO+NC (normally open and normally closed) contact configuration. With a button diameter of 29.9 mm and overall height of 43 mm, this switch is designed for industrial control panels and operator interfaces where visual feedback is required. The blue LED illumination enables clear indication of switch status in low-light environments, making it suitable for machinery control, process automation, and emergency stop applications.