... Control Unit 1,Explosion protection:Exe IICT6 2,High quality with competitive price 2013 factory manufacture Explosion Proof Corrosion Proof Control Unit ... proof control switch, with more advantages, such as compact structure, reliable quality, smaller volume, high capacity ... protection:IP658,Corrosion resistance:WF29,Product form: Control unit Electrical hoist button:Ingress thread specification : G3 ...