The L21AK60 is non flush (projecting) illuminated pushbutton heads that mount in a 22.5mm hole with protection rating IP66 / IP69K. Ideal for applications where an easier activation is required for example when wearing gloves. Combine with clip, contact blocks and LED module (must be in centre position) to make complete illuminated pushbutton assembly. For black plastic bezel change the part number from L21xxxx to L22xxxx.