Schneider Electric, Harmony, ZB4BK1253, Orange Illuminated Selector Switch Head Ø22, 2 position stay put

Amazon

Progress with confidence designed for industry Flexibility and a robust construction An ingenious locking system consisting of a snap-fit head and body, tightened with a single screw, ensures easy yet secure mounting

Radwell UK

SWITCH HEAD, SELE, 22MM, 2WAY, YELLOW, FOR USE WITH: HARMONY PUSHBUTTONS AND SWITCHES, IP66, IK05, NEMA 4X, CSA 22.2 NO. 14, IEC 50102, IEC 60529, IEC, ROHS COMPLIANT