Apem vandal resistant 22mm piezo switches ip69k apem pbarybf0000e2a a durable high impact resistant and cosmetically attractive piezo switch and a surface that remains completely closed protecting against dust dirt debris and liquids the switch has a chamfered operator of 45mm flying leads a transparent finish and redgreen leds atex certification apem pbarybf0000e2a 22mm ip69k vandal resistant piezo switch spst on off