... excellent performance and appearance.The rated output, ounting dimensions, protection level and terminal marks of these motors are in conformity of ... used at:(1) An altitude should not be over 1000 meters above sea level.(2)An ambient temperature not exceeding +40°C. Voltage, ... Rated voltage: 380V, Delta-connection for motors of 4KW and above; Star connection for motors 3KW and below;Rated frequency: ...