適用范圍Application 1區、2區危場所。 IIA、IIB、IIC類爆竹性氣體環境. *如要求IIC類或增安型請注明. Can be used in Zone 1 and Zone 2one 2 dangerous places. Can be used in IIA,IIB 、IICgroup explosive atmosphere. *Please note if want IIC group safety-increased type 型號含義Model implication 產品特點 Features 表面噴塑.　　　　　　　　　　　　　　　　　　　　　 The shellis of diecasted AI-alloywithplastic-sprayed sunface. 進出線口有多種方式及規格. 鑄鋁合金外殼,壓鑄成形　　 Inlet or outlet has many kinds of modes and specifications. 進出線口螺紋可特制. 　　　　　　　　　　　　　　　　Thread specification can be specially designed. 符合GB3836-2000,IEC60079標準要求. 　　　　　　　　 Suitable for GB3836-2000,IEC60079 standard request.