The IDEC HW1A-B1-S is a non-illuminated, round flush pushbutton designed for 22 mm mounting. This blue button features finger-safe (IP20) screw terminals and also accomm ODates push-in terminals, ring, fork, ferrule terminals and bare wires for versatile connection options. It meets rigorous safety and quality standards with UL listing, CSA certification, TUV approval and CE marking.