Schneider Electric Harmony XB5, Push button, plastic, flush, red, Ø22, spring return, unmarked, 1 NO + NC

Amazon

Push button, plastic, flush, red, 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

Radwell UK

PUSH BUTTON, NON-ILLUMINATED, RED, FLUSH MOMENTARY, WITH 1 N/0+1N/C