The IDEC HW1A-B1-Y is a non-illuminated, round, flush pushbutton designed for 22 mm hole mounting. This yellow pushbutton ensures safety with its finger-safe (IP20) screw terminals and also accomm ODates push-in terminals. It accepts ring, fork, or ferrule terminals as well as bare wires for flexible connection options. The pushbutton is recognized for its quality and safety, being UL listed, CSA certified, TUV approved and CE marked.