... with competitive price 2013 factory manufacture Explosion Proof Corrosion Proof Control Unit Application: 1, Designed for Zone 1 and ... can be as per request.4,Built-in explosion proof control switch, with more advantages, such as compact structure, ... ~18mm5,Using sort:AC-146,Explosion protection:ExedIICT67,Ingress protection:IP658,Corrosion resistance:WF29,Product form: Control unit Electrical hoist ...