适用范围Application 1区、2区危场所。 IIA、IIB、IIC类爆竹性气体环境. *如要求IIC类或增安型请注明. 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 型号含义Model implication 产品特点 Features 表面喷塑. The shellis of diecasted AI-alloywithplastic-sprayed sunface. 进出线口有多种方式及规格. 铸铝合金外壳,压铸成形 Inlet or outlet has many kinds of modes and specifications. 进出线口螺纹可特制. Thread specification can be specially designed. 符合GB3836-2000,IEC60079标准要求. Suitable for GB3836-2000,IEC60079 standard request.