... .1,2,3-2000 ,IEC60079 standard request. "ul"anti-explosion lighting Fixture/ lampApplication1.Used in Zone 1 and Zone 2 dangerous place ... ,IIB groups explosive atmosphere.2.With incandescent lamp ,mercury lamp,high-pressure sodium lamp,metal halide lamp.3.Can be matched ... )220Rated power(W)250300175,250150,250175,250 "ul"anti-explosion lighting Fixture/ lamp