1区,2区危险场所。 Can be used in Zone 1and Zon 2 dangerous places. ⅡA,ⅡB类爆炸性气体环境。 Can be used in IIA、IIB、 group explosive atmosphere. 可配装白炽灯、汞灯、高压钠灯、金卤灯。 Suitable for incandescent lamp,mercury vapor lamp, 注:可按用户要求配装灯伞。 high-pressure sodium vapor lamp,metal halide lamp. Notice:Can be install lamp cover according to user's requitemnt.