The IDEC HW1A-B1-R is a non-illuminated, round flush pushbutton designed for 22 mm mounting. It offers finger-safe (IP20) screw terminals and also accepts push-in terminals for easy installation. Compatible with ring, fork, or ferrule terminals as well as bare wires, this robust pushbutton meets stringent safety and quality standards, being UL listed, CSA certified, TUV approved and CE marked.