TOP explosion-proof incandescent Suitable for GB3836.1,2,3-2000 ,IEC60079 standard request. ... .2.With incandescent lamp ,mercury lamp,high-pressure sodium lamp,metal halide lamp.3.Can be matched with lamp dome reflector.FeaturesDiecasted ... )220Rated power(W)250300175,250150,250175,250 TOP explosion-proof incandescent