Schneider Electric Harmony XB4 Illuminated Push Button Switch, Metal, Spring Return, 1NO + 1NC, 24 V AC/DC, 22 mm Mount, Flush Operator Profile, XB4BW31B5, White

Amazon

Universal LED block to be used for all colors Improved color intensity and brightness Quick and easy assembly and disassembly Robustness to withstand harsh environments A wide choice of contact blocks for general purposes or specific applications (low current, standard) Various types of connection: screw clamp, connector, Faston connector, spring terminal, or printed circuit board

Radwell UK

PUSHBUTTON, XB4 SERIES, ILLUMINATED, WHITE, PLAIN LENS, FLUSH, UNIVERSAL LED, SPRING RETURN, 24 VAC/DC (50/60 HZ), 1NO+1NC, SLOW-BREAK, 22 MM MOUNTING DIAMETER, IP66/67/69/69K