简要说明：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； 3. 温度组别：T1~T5； 4. 户内、户外 (IP55)。

SW-10 防爆照明开关(ⅡB) SW-10 Explosion-Proof & Lighting Switch (ⅡB )   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； 3. 温度组别：T1~T5； 4. 户内、户外 (IP55)。 1. For the dangerous sites with explosive air mixture: 1 division、2 division; 2. Flammable gas, steam class：ⅡA、ⅡB; 3. Temperatures classification：T1~T5; 4. Indoor and outdoor(IP55).   1. 铸铝合金外壳，压铸成形，表面喷塑； 2. 外壳内装隔爆型开关，外壳接合部位有橡胶密 封圈密封，防护等级可达IP55； 3. 钢管或电缆布线。 1. Diecasted of Al-alloy shell with moulded-shapement and plastic-sprayed surface; 2. The increased safety is mounted the flame-proofing switch inside, the joint part of outer shell is sealed by rubber lock ring, The protective grade is up to IP55; 3. Steelpipe and cable wiring. 额定电压 Rated voltage (V) 额定电流 Rated current (A) 防爆标志 Explosion- proofing marker 防护等级 Protection category 防腐等级 Corrosion- proofing grade 进线口螺纹 Inlets thread 电缆外径(mm) Cables outside diameter 质量 Weigh (kg) 220 10 ExedⅡBT5 IP55 WF1, WF2 G3/4 Φ10~Φ15 0.75