适用范围 1、1区、2区危险场所。 2、IIA、IIB、IIC类爆炸性气体环境。 *要求IIC类时请注明。   Application 1.Can be used in Zone 1 and Zone 2 dangerous places. 2.Can be used in II A, II B, II C group explosive atmosphere. *Please note if need II C.   产品特点 1、铸铝合金外壳、表面喷塑。 2、内装交流接触器，热继电器,自动复位万能转换开关等。 3、可控制交流50Hz,380V三相异步电动机的直接起动停止， 并且有过载和断相及失压保护。 4、钢管或电缆布线均可。 5、符合GB3836-2000，IEC60079标准要求。   Features 1.Cast  aluminium  shut outer cover, surface gushed out and moulded. 2.Install  inside   and exchange contactor,  hot  relay,  restore to thethroneomnipotent to transfer to and transfer to switch wait for by oneself. 3.Can  control  and  exchange  50Hz  ,  380V   three   different  stepdirectness of motor start and stop, have overload and broken looksand lose and is pressed and protected. 4.Steel tube or the  cable can connected up. 5.Suitable  for GB3836-2000,IEC60079 standard  request.   型号含义Model implication 主要技术参数Main inplication