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. ■*合GB3836-2000,IEC60079标准要求.
