The IDEC HW1A-B1-W is a non-illuminated, round flush button designed for 22mm hole mounting. It features finger-safe (IP20) screw terminals and also accepts push-in terminals, ring, fork, ferrule terminals, and bare wires for versatile connection options. This pushbutton is UL listed, CSA certified, TUV approved, and CE marked to meet rigorous safety and quality standards.