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.