GT200-C系列风机专用保护器与交流接触器组成电动机保护控制电路。主要用于交流50Hz/60Hz、额定电压400V~690V、额定电流至200A-600A及以上采用变比互感器二次侧采样电流方式对引风机、离心机、冲床、水泥厂的旋转机等三相异步电动机长期处在重负荷起动状态中可能出现的断相、过载、堵转、阻塞、三相不平衡等故障进行保护。

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.