Exed Corrosion Proof Control Unit 1,Explosion protection:Exe IICT6 2,High quality with competitive ... price 2013 factory manufacture Explosion Proof Corrosion Proof Control Unit Application: 1, Designed for Zone 1 and Zone 2 ... :ExedIICT67,Ingress protection:IP658,Corrosion resistance:WF29,Product form: Control unit Electrical hoist button:Ingress thread specification : G3/4" G1"Suitable ...