... Designed for IIA,IIB,IIC groups explosive atmosphere. 3, Designed for the environment with T1~T6 temperature ... .2,Increased safety enclosure ,built-in explosion protection components.3,Built-in indicator light, pushbutton, conversion switch ,ammeter ... ExedIICT67,Ingress protection:IP658,Corrosion resistance:WF29,Product form: Control unit Electrical hoist button:Ingress thread specification : G3/4 ...