一、适用范围1. 爆炸性气体环境危险场所：1区、2区；2. 可燃性气体、蒸气级别：ⅡA、ⅡB3. 温度组别：T1~T4；4. 户内、户外(IP55);5. 可配装自镇汞灯、外镇汞灯、钠灯、金属卤灯。 1. For the dangerous sites with explosive air mixture: 1division, 2division;2. Flammable gas, steam class: ⅡA、ⅡB3. Temperatures classification: T1~T4;4. Indoor and outdoor (IP55);5. Suitable for self-ballasted mercury vapor lamp, External-oscillation Hg light, sodium lamp and metal halide lamp. ??二、型号含义 ??三、性能特点 1. 铸铝合金外壳，表面喷塑；2. 防水性能好，适用在油井等场所；3. 镇流器装于灯体内,体积小、结构紧凑、侧面开盖、便于更换灯炮；4. 灯体可在水平安装或壁式安装，仰角在45°~90°内可调。5. 电缆布线;6. 符合GB3836-2000, IEC60079, GB12476.1-2000, IEC61241标准要求1. Diecasted A1-alloy shell 四、技术参数?电压Voltage(V)灯头型号Socketmodel防爆标志Explosion-proofing maker防护等级Protectioncategory防腐等级Corrosion-proofing grade进线口螺纹Inlet'sthread电缆外径Cable's outsidediameter (mm)AC220E40Exd Ⅱ BT4IP55W, WF1, WF2G3/4Φ10~Φ15光源种类Luminous source sorts功率 Power (W)Z：自镇汞灯 Self-ballasting mercury lamp250, 450G：外镇汞灯 Outer ballasting mercury lamp175, 250, 400N：钠灯 Hi-pressure150, 250, 400L：金属卤灯 Halide175, 250, 400?