QS-138-4KW
Yes
15 Months
Motorcycle Engine
CE
Alloy
Car, Electric Bicycle, Electric Motorcycle
Permanent Magnet
QS
Carton with Foam
4000w
China
8711600010
Product Description
New Arrival QSMOTOR QS138 90H V3 with 1:2.35 gear box 4000w Mid drive motor
Notes:NEW ARRIVAL 138 4KW mid drive motor spline shaft as sprocket type. no stock, if interest, please contact seller.
P.S. If you have any confused about the shipping cost, please feel free to contact with us.
Also could place order but don't pay first, then we could adjust the price
One set including below kits:
1,1pc 138 4kw 90H V3 mid drive motor with 1:2.35 gear box
2,1pc 428 15T sprocket
| Motor Type | PMSM Inner Rotor Motor | Motor design | single axle |
| Brand | QS Motor, QS MOTOR | Matched wheel | 17 inch (as default) |
| Magnet Height | 90mm,5 pole pairs | Rated power | 4000w(Max continue 7500w) |
| Peak Power | 13.5kw | Rated Torque | 32N.m |
| Rated Voltage | 72v | Speed | 4800RPM |
| With flux weakening | 7000RPM | Max Torque | 150N.M |
| Cooling method | Air cooling | Max Efficiency | 93% |
| Rated current | 60A | Max bus current | 200A |
| Thermic Probe | KTY83/122(as default) | Working temperature | 70-120ºC,peak 150ºC |
| Phase wire | 20mm² cross section | Waterproof grade | IP67 |
| Color | Black | N.W/G.W | 10.8kgs/11.5kgs |
| Package Dimension | 34cm*34cm*33cm | Hall sensor | Single hall plate with waterproof connectors |
Demension drawing:
Test Report
Only for reference(due to the limitation of test machine,the maximum torque is not reached.)
