... protection *KC800-1 series current selection table Specification Current range Motor power Remark:1,choose protectors specifications must be based on ... to control the motor secondary circuit voltage and decide .3,specification for 300A,400A,500A,600A and 800A protector .must add three ... EX 2:X-300/1/MTU(N:1):Electrical data Motor rated voltage:AC380V,AC660VControl source:220VAC, 50Hz 15VA/15WRated ...