Schneider Electric Harmony XB5, key switch selector, plastic, black, Ø22, n455, 3 positions, stay put, 2 NO

Amazon

Key switch selector, plastic, black, Ø22 Simple modular design facilitates post installation servicing, modification and adaption of machines by non-specialists Designed to fit in a standard 22mm cutout, ensuring compatibility when installing in pre-existing machinery Secure machine and system operation with a key, only available to authorized operators

Radwell UK

KEY SWITCH SELECTOR, DARK GREY PLASTIC, 22 MM MOUNTING DIAMETER, PAIRS TO KEY 455, 3 POSITIONS, STAY PUT, 2 NO CONTACTS, SLOW-BREAK