适用范围 Application 1区、2区危险场所。 Can be used in Zone 1 and Zone 2 dangerous places. ⅡA、ⅡB、IIC类爆炸性气体环境。 Can be used in IIA、IIB、group explosive atmosphere. 可配装LED7w-30w。 Suitable for incandescent lamp,mercury vapor lamp, high-pressure sodium vapor lamp,metal halide lamp. 可按用户要求配装灯伞。 Can be install lamp vover according to user's requitemnt. 产品特点 Features 铸铝合金外壳,表面喷塑 Diecasted aluminium alloy shell with 压铸成型,结构紧凑,外形美观。 Pressure-casted frmation,compact structure and aesthetic appearance. 采用碟型活节螺栓紧固,能**开启,便于维修。 Suspension type thumb nut is used for fastening so that it can be quickly 钢管布线。 opened up and is conventient for maintenance.