GT200-C系列風機專用保護器與交流接觸器組成電動機保護控制電路。主要用于交流50Hz/60Hz、額定電壓400V~690V、額定電流至200A-600A及以上采用變比互感器二次側(cè)采樣電流方式對引風機、離心機、沖床、水泥廠的旋轉(zhuǎn)機等三相異步電動機長期處在重負荷起動狀態(tài)中可能出現(xiàn)的斷相、過載、堵轉(zhuǎn)、阻塞、三相不平衡等故障進行保護。

GT200-C series fan special protector and AC contactor form motor protection and control circuit. Mainly used in AC 50Hz/60Hz, rated voltage 400V~690V, rated current to 200A-600A and above the two side ratio transformer of three-phase current sampling fan, centrifugal machine, punching machine, cement rotary machine etc. the asynchronous motor in the long-term heavy load starting state may arise during phase failure, overload, blocking, blocking, unbalanced fault protection.