適用范圍Application 1區、2區危場所. IIA、IIB、IIC類爆炸性氣體環境 Can be used Zone 1 and Zone 2 dangerous places. Can be used in IIA,IIB,IIC group explosive atmosphere.. 型號含義Model implication 產品特點 Features 防爆標志 Exd II. Explosion-proof mark:Exe II. 防護等級: IP55。 Protection-proof grade:IP55 外殼采用鑄鋁合金或鑄鐵,表面噴塑,可供用戶自由選擇 The shell is of diecasted AI-alloy withplastic-sprayed surface,freely by user. 結構形式多樣,便于安裝。 Variousstructures,ease toinstall. 符合GB3836-2000,IEC60079標準要求。 Suitable for GB3836-2000,IEC60079 standard request.