QS-138 4KW
Yes
15 Months
Motorcycle Engine
CE
Alloy
Car, Electric Bicycle, Home Appliance
Permanent Magnet
QS
Carton with Foam
4000w
China
8711600010
Product Description
QS 138 90H 4KW PMSM MID DRIVE MOTOR
For 138 4000W mid drive motor , it could be used for electric light motorcycle, which could be 72V 100KPH.
What's more, we provide chain gear adapters as default.
| 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 | 14.3N.m |
| Rated Voltage | 72v | Speed | 4000RPM |
| With flux weakening | 6500RPM | Max Torque | 72N.M |
| Cooling method | Air cooling | Max Efficiency | 94% |
| Rated current | 89A | Max bus current | 200A |
| Thermic Probe | KTY83/122(as default) | Working temperature | 70-120ºC,peak 150ºC |
| Phase wire | 8mm² 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:






















