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. 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.