... atmosphere. 3, Designed for the environment with T1~T6 temperature class 4, Designed for explosive atmosphere, such as oil ... can be as per request.4,Built-in explosion proof control switch, with more advantages, such as compact structure, reliable ... :ExedIICT67,Ingress protection:IP658,Corrosion resistance:WF29,Product form: Control unit Electrical hoist button:Ingress thread specification : G3/4 ...