Can be used inZone 1 and Zone 2Zone 21 and Zone 22Class I, Zone 1 and Zone 2Class I, Division 1, Groups A, B, C, D
Five different ways of operation-Spring-return pushbuiton-Key-operated pushbutton-Mushroom stay-put emergency pushbutton-Mushroom turn-to-release emergency pushbutton-Rotary pushbutton
Mushroom stay-put emergency push button/mushroom turn-to-release emergency push button can be equipped with protection cover, please specify when ordering. Material of protection cover: stainless steel and PC, please specify when ordering.