适用范围 Application 1区、2区危险场所。 ⅡA、ⅡB、IIC类爆炸性气体环境。 注:要求IIC类时注明. Can be used in Zone 1 and Zone 2 dangerous places. Can be used in IIA、IIB、IICgroup explosive atmosphere. Notice:Please note if need IIC grade needed. 型号含义 Main implication 产品特点 Features ■铸铝合金外壳,表面喷塑. ◆ The shell is of diecasted AI-alloy with plastic-sprayed surface. ■内装转换开关,用于电流60A以下的电气线 ◆ Inside is mounted conversion switch,used as power swtch to ■路中,作为电源引入开关,并可控制电动机起 controln motor,adjust speed,convet direction in the system of 动、变速、停止、换向等. not more than 60A. ■钢管或电缆布线均可. ◆ Suitable for steel pipe and cable. ■符合GB3836-2000,IEC60079标准要求. ◆ Suitable for GB3836-2000,IEC60079 standard request.