交流50HZ，额定bai工作电压为交流du380V的低压电网(wang)系(xi)统中，作为动(dong)(dong)力、照明(ming)配(pei)(pei)电zhi及电动(dong)(dong)机(ji)控制之用dao，适合(he)室内挂(gua)墙、户外落地(di)安装(zhuang)的配(pei)(pei)电设备。

控(kong)制(zhi)(zhi)箱也(ye)使(shi)用于交流(liu)50HZ，电压(ya)(ya)500V以(yi)下电力系统(tong)作为消防水(shui)泵(beng)控(kong)制(zhi)(zhi)、潜水(shui)泵(beng)控(kong)制(zhi)(zhi)、消防风机(ji)控(kong)制(zhi)(zhi)、风机(ji)控(kong)制(zhi)(zhi)、照明配(pei)电控(kong)制(zhi)(zhi)等(deng)(deng)使(shi)用，控(kong)制(zhi)(zhi)方式(shi)(shi)有直接启动控(kong)制(zhi)(zhi)、星三角(jiao)降压(ya)(ya)启动控(kong)制(zhi)(zhi)、自(zi)藕降压(ya)(ya)启动控(kong)制(zhi)(zhi)、变(bian)频器启动控(kong)制(zhi)(zhi)、软启动控(kong)制(zhi)(zhi)等(deng)(deng)各种控(kong)制(zhi)(zhi)方式(shi)(shi)，还可使(shi)用隔离(li)开关(guan)、熔断(duan)器式(shi)(shi)开关(guan)作为隔离(li)分断(duan)点(dian)。