... 4. Reliable Drawings and Parameters of High Efficient Permanent Magnet Generators 2.5kw~4kw PowerVoltage50Hz SpeedCurrentPower FactorEfficiencyRated TorquePeak ... IP44,avoid water, mud, dusty getting into the motor, long life, especially suitable for carriage.No field winding ... impact, repeat start, forward and backward running.The motor adopts wind cooling or water cooling, low temperature, ...