middle drive motor 2

QS2000W BLDC Mid-drive Motor Assembly Kits

2000W 120 70H Mid drive motor with belt chain assembly system

The 2000W Mid drive motor system is applied to electric scooter or electric motorcycle with 12inch wheel.

The max. speed is about 70km/h under 72V battery drive.


QS Motor 2000W 120 70H Mid Drive Motor
Motor Type: BLDC Permanent Magnet Inner Rotor Motor With Hall Sensor
Brand: QS Motor,QSMOTOR
Motor Design: Single axle
Matched Wheel: 12inch Wheel (as default)
Magnet Height: 70mm, 40pcs, 5 pole pairs
Diameter of stator: 120mm
Rated Power: 2000W (peak power, pending)
Rated Voltage: 72V as default
Speed: 70KPH
No-load rpm: 2900rpm without flux weakening, 4500RPM with flux weakening.
Max Torque: 187.9N.m (with Reduction ratio 1:4.7)
Reduction ratio: 1:4.7 (as default)
Max Efficiency: 89.2%
Continuous Battery Current: 35A (72V)
Peak Battery Current: 60A (72V)
Suggest Peak Phase Current: 250A
Thermic Probe: None (KTY83/122 is available for sample).
Working Temperature: pending
Single Hall Plate with waterproof connectors
8mm2 Cross Section of Phase Wire (not include insulation layer)
Hall Sensor Phasing angle: 120 degree
Waterproof Grade: IP54
Color: Black
N.W./G.W.: 7.8kg/9.1kg Package Dimension: 34cmX34cmX33cm

APT AE72250, 250A peak phase current



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