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、ⅡB;
3. 温度组别:T1~T4;
4. 户内、户外(IP54)。
1. For the dangerous sites with explosive air mixture:
1 division、2 division;
2. Flammable gas, steam class:ⅡA、ⅡB;
3. Temperatures classification:T1~T4;
4. Indoor and outdoor(IP54).