Schneider Electric Harmony ZB4BD3 Head 3 POSITION Stay Put Standard Handle

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

SELECTOR SWITCH HEAD, 3 POSITION, MAINTAINED, 22 MM MOUNTING DIAMETER, BEZEL MOUNTING TYPE, BLACK, IP65