... output, ounting dimensions, protection level and terminal marks of these motors are in conformity of international standards, such as IEC, DIN ... , BS and JIS etc.Conditions of OperationThe motors are assurred to give reliable service when used at:(1 ... :Rated voltage: 380V, Delta-connection for motors of 4KW and above; Star connection for motors 3KW and below;Rated frequency: 50Hz;Operating ...