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QS high turque 3000W 138 70H mid drive motor for electric motorcycle
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Supplier: Taizhou Sia Trading Co., Ltd. -
Region: Zhejiang, China -
Contact: Ms Yang Jasmine -
Price: $232.20 /set -
Min. Order: 1 set
| Delivery Detail: | 0 days after payment; | Single gross weight: | 13 KG; |
| Color: | Black; | Single package size: | 34X34X33 cm; |
| Package Preview: | https://sc01.alicdn.com/kf/HTB11Mk9JwHqK1RjSZJnq6zNLpXaK.jpg_640x640.jpg; | Product Name: | QS high turque 3000W 138 70H mid drive motor for electric motorcycle; |
| Selling Units: | Single item; | Voltage(V): | 72V as default(48v-72v); |
| Waterproof Grade: | IP54; | Type: | Mid drive motor; |
| Model Number: | Mid drive motor; | Speed: | 100kph; |
| Usage: | electric scooter/e-bike/e-motorcycle; | Place of Origin: | Zhejiang China (Mainland); |
| Warranty: | Provide; | Efficiency: | 84~90%; |
| Rim Size: | 12-20 Inch; | Output Power(W): | 3000W; |
| Certification: | ISO9001, CCC, CE; | Brand Name: | SiAECOSYS; |
| Package Type: | Carton Box; |
QS high turque 3000W 138 70H mid drive motor for electric motorcycle
For the 3000w 138 70H mid drive motor, it can use with belt. There are 2 different types.
The 2 types the performance is same, just appearance is different.
At the same time, it also can use with gear chain.
QS Motor Specification
QS Motor 3000W 138 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: 138mm
Rated Power: 3000W (peak power, pending)
Rated Voltage: 72V as default
Speed: 90KPH
No-load rpm: 4400rpm without flux weakening, 6500RPM with flux weakening.
Max Torque: approx 56N.m (without Reduction ratio)
Reduction ratio: 1:4.7 (as default)
Max Efficiency: pending
Continuous Battery Current: pending (72V)
Peak Battery Current: 120A (72V)
Suggest Peak Phase Current: 450A
Thermic Probe: None (KTY83/122 is available for sample).
Working Temperature: pending
Single Hall Plate with waterproof connectors
16mm² Cross Section of Phase Wire (not include insulation layer)
Hall Sensor Phasing angle: 120 degree
Waterproof Grade: IP54
Color: Black
N.W./G.W.: Pending Package Dimension: Pending/piece
Pictures Show
Drawing(for normal)
Application
Performance Test
basic RPM
With flux weakening
With belt ratio 1:4.77
How to Recommend you suitable motors?
Firstly, To customize a suitable electric hub motor for your vehicle, could you please inform the points in below?
1. E-bike, E-scooter, E-tricycle or E-car?
2. Weight of vehicle with battery, loading weight (weight with load only)?
3. Tire model/diameter?
4. Rated voltage and wattage of motor, nominal speed/top speed, and climb angle or torque @ what speed?
5. Battery nominal voltage, peak voltage, capacity and vehicle range?
6. What's the drop-outs/rear fork width of your frame?
Within your details information, we could make assessment and calculation accordingly for your project
About US
SIAECOSYS is an union of manufactories in electric driving industry, and belongs to Taizhou SIA Trading Co., Ltd that set from QS Factory in 2013 year.
Currently, more than 80 top factories join SIAECOSYS, and they are willing to provide customized products and service for international customers who has passion in e-scooter/tricycle/car industry.
SIAECOSYS focus on organizing member factories together to customize specific e-driving system solution and products for different requirements from customers in the world.
Nowadays, SIAECOSYS has more than 5000 customers from the world and more than 40 customers send inquiry every day.
SIAECOSYS has sale department, Technology department, Quality inspection department, general accounting department, purchase department and after-sale service department.
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
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