简要说明：**性气体环境危险场所

BT□51隔爆型投光灯(ⅡB、ⅡC) BT□51Flame-proof Type and Projecting Lamp (ⅡB、ⅡC)

1. 性气体环境危险场所：1区、2区； 2. 可燃性气体、蒸气级别：ⅡA、ⅡB、ⅡC； 3. 温度组别：T1~T4； 4. 户内、户外(IP65)； 5. 可配装自镇汞灯、外镇汞灯、高压钠灯、金属卤灯。 1. For the dangerous sites with explosive air mixture: 2. Flammable gas, steam class: ⅡA、ⅡB、ⅡC; 3. Temperatures classification: T1~T4; 4. Indoor and outdoor (IP65); 5. Suitable for self-ballasted mercury vapor lamp, External-oscillation Hg light, high-pressure sodium lamp and metal halide lamp. 1. 铸铝合金压铸外壳，表面喷塑； 2. 灯体可在水平方向旋转360°，仰角在+60°至-60°内可调； 3. 反射罩采用抛物面形，并镀铬抛光，反射率高，受照面均匀； 4. 电缆布线; 5. 符合GB3836-2000、IEC60079, GB12476.1-2000、IEC61241标准要求。 1. Diecasted Al-alloy shell with plastic-sprayed surface; 2. The lamp body can be rotated 360°, levelly and adjusted from +45°to +45°elevately; 3. The reflector adopts praboluic mirror with chromium-plated finish, high reflectivity and even illuminance in illuminated surface; 4. Cable wiring. 5. Suitabe for GB3836-2000、IEC60079、GB12476.1-2000、 IEC61241 standard request. 电压 Voltage (V) 灯头型号 Socket model 防爆标志 Explosion- proofing maker 防护等级 Protection category 防腐等级 Corrosion- proofing grade 进线口 螺纹 Inlets thread 电缆外径 Cables outside diameter(mm) AC220 ±10% E40 Exd Ⅱ BT4, Exd Ⅱ CT4 IP65 W, WF1, WF2 G3/4 Φ10~Φ15   光源种类 Luminous source sorts 功率 Power (W) Z：自镇汞灯 Self-ballasting mercury lamp 250, 450 G：外镇汞灯 Outer ballasting mercury lamp 175, 250, 400, 10000 N：高压钠灯 Hi-pressure 150, 250, 400, 1000 L：金属卤灯 Halide 175, 250, 400, 1000