Applicable to hazardous areas 1 and 2 dangerous places;
Use in areas with flammable dust environment 20, 21, 22;
Suitable for ⅡA, ⅡB, ⅡC explosive gas environment;
Suitable for T1 ～ T3 temperature group;
Widely used in oil exploration, refining, chemical, military and other dangerous environments and offshore oil platforms, tankers and other places for work lighting.