EYPAD, 12WAY MATRIX; Keypad Array:3 x 4; Switch Type:Plastic; Contact Voltage DC Nom:24V; Contact Current AC Max:20mA; Keypad Output:Matrix; Panel Cutout Width:51mm; Panel Cutout Height:57mm; Colour:Black Legend On White Background; No. of Keys:12; S ECO1215006SECSEC ECO1215006EAO ...