PUSHBUTTON HEAD ILLUMINATED BLUE; For Use With:XB4 Series Momentary Illuminated Pushbutton Switches; IP / NEMA Rating:IP63 IK03 NEMA 4X; Product Range:Harmony XB4 Series; Approvals / Standards:CSA 22.2 No. 14 IEC 50102 IEC 60529 IEC 60947 JIS C 4520 UL 508; Colour:Blue; External Depth:13.5mm; External Diameter:28.5mm