... Conditions: 1, Alititude above sea level maximal 1000m2, Cooling air temperature maximal 40'C3, Ambient conditions for motors should be free ... Type: Separate excitation is the basic excitation type of this series motors, Nominal field voltage:180V, Other excitation voltage are also ... than seven-times.Raged Speed(rpm): 3000, 1000, 750, 600, 500, 400, 300, 200r/m. Total nine grades.Insulation Class: CLASS ...