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适用范围:
爆炸性气体混合物危险场所：1区，2区可燃性气体，蒸气组别：ⅡA ⅡB ⅡC
温度级别：T1-T4
户内，户外（ IP54，可按用户要求达到IP65）
Application
For the dangreous sites with eplosive air micture: 1division 2division
Flammable gas,stream class:ⅡA ⅡB ⅡC
Temperatures classification:T1-T4
Indoor and outdoor (IP54,It counld be designed as IP65 according to user's requirements)