QS138-A 3000W PMSM Mid-Drive Motor
NEW 3000W BLDC Middle dirve motor can be applied to electric scooter and electric motorcycle
QS Motor 3000W 138 70H Mid Drive Motor
Drive type: By Chian(428 Type)
Sprocket:428-14T, 428-16T etc.
Motor type:BLDC Permanent Magnet Inner Rotor Motor With Hall Sensor
Magnets:Height 70mm, 40pcs, 5 pole pairs
Diameter of stator: 138mm
Rated Power: 3000W
Max. power:5900W
Rated Voltage: 72V as default
Max. Speed: 90KPH (With 12inch wheel after 1:4.7 ratio)
No-load rpm: 4400rpm without flux weakening, 6500RPM with flux weakening.
Max Torque: approx 56N.m (without Reduction ratio)
Max Efficiency: 90%
Peak Battery Current: 120A (72V)
Max.Peak Phase Current: 450A
Single Hall Plate with waterproof connectors
Cross Section of Phase Wire: 16mm2
Hall Sensor Phasing angle: 120 degree