" Controller ( Push Buttons On-Off, Mushroom, Pilot Light, Switch, etc) Explosion Proof " We are as agent/ supplier Explosion Proof Controller ( Push Buttons On-Off, Mushroom, Pilot Light, Switch, etc) -( China) For zones 1 & 2, zones 21 & 22 Materials : alloy plastics Ex mark : Ex ed IIC T6 Degree of Protection : IP 66 Rated Voltage : AC 380V, Rated Current : 16 A