QS Motor 4000W 273 40H V2 200mm 48V brushless DC motor for electric bicycle

QS Motor 4000W 273 40H V2 200mm 48V brushless DC motor for electric bicycle

For 273 spoke hub motor, it could be used for electric bike, high power electric bicycle.

273 motor means the diameter of iron ring of rotor is 273mm, f or all 273 motor, e.g. 13inch & 14inch 273 e-scooter hub motor, etc., the configuration & performance are the same.

1. Generally SPEC

· Motor Type: BLDC Hub Motor with Permanent Magnet

· Motor design: Single axle out without

· Magnet Height: 40mm

· No. of Pole Pairs: 287 pair

· Rated Power: 4000W

· Peak Power: 8000W

· Rated Voltage: 72V( 60V-144V Can be optional)

· Speed: 90km/h (24-100km/h can be customized)

· Max No-load RPM: 1000RPM

· Max Torque: 228N.m

· Max Efficiency:86%

· Continious current:69A

· Max current:104A

· Brake type: Disc brake

· Winding Core material: Aluminium

· Cross Section of Phase wire: 12mm2

· Hall sensor phasing angle: 120 degree

· Temperature Sensor: Optional

· Max. Working Temperature: 70 degree, Peak 120 degree

· Waterproof Grade: IP54

· Color: Black

· N.W./ G..W. : 17kgs /18.5kgs

· Package Size: 34*34*33CM

2. Price List

3. 273 E-spoke hub motor drawing

4 . Application

5. How to find suitable hub motor

To customized a suitable motor, could you pls. inform below points:

• · 1.Your bike weight and loading weight?
• · 2.Your wheel rim size or tire model?
• · 3.Volt and wattage of motor, Speed(kV), and torque/climb angle ?
• · 4. Your bike dropout?
• · 5.Lithium or lead-acid Battery?

After confirming the motor, we could try to offer suitable motor kits.

• Motor Controller
• Wheel RIM
• Battery
• Charger
• Speedometer
• Throttle
• Brake System
• DC-DC converter, etc.

6. Comapny Information

7. FAQ

Q1. Are you trader or manufacture?

A: We're manufacture.

Q2. How long is your production time?
A: Generally, the production period is 12-14 working days(6 working days per week).

The specific delivery time depends on the items and the quantity of your order.

Q3. How long is your warranty time?

A: For motor, the warranty time is one year and three months. For other parts, the warranty time is one year.

Q4. About Customs Clearance

For some special countries with strict customs for import, so pls. confirm it firstly to us that you have ability to do customs clearance, otherwise we will not take on heavy responsibilities for this issue, return money and goods are not support.

Special countries list:

Argentina, Brazil, Egypt, Turkey, Iran,Portugal,Romania, Kazakhstan, Ukraine, Yeman etc.

Some countries name not listed, the salesman will inform you in time if you placed the order online directly. Thank you for your understanding.

05. Does your products with CE certification?

Yes, our motor with Certification (CE, CCC), and our factory with certification of ISO9001, TS86949

No QS Motor, No Super EVs!