Explosion-proof potentiometer operation head: 1.Ex mark:Ex 2 GD Ex e2 Ex tD A21 2.IP:IP66 3.Intended use:zone1,2,21and 22

Explosion-proof  potentiometer operation head  feature:1.Ex mark:Ex 2 GD  Ex e2 Ex tD A212.Degree of protection:IP663.Intended use:zone1 and 2;zone 21 and 224.Ambient Temperature use: -40---55 

5.Material:Polyamide

6.Meet the standard:IEC60079 EN61241

7.Conformity to:CE 0575

Explosion-proof potentiometer operation head