A PCB mounting keyboard switch with gold crossbar contacts available either in momentary action Applications include keyboards, data terminals, measuring instruments etc Dimensions 15.9 (W) x 15.9 (D) When fitted with single keycaps the switches mount on 19mm centres Operating Temperature Range: -25 to +65 °C Two-part acrylic lenses comprising of a diffuser and a transparent front cover Diffuser may be marked with conventional dry panel transfers to indicate switch function Lamps may be easily changed from the front by unclipping the lens