QSMOTOR 3000W 138 70H комплект электродвигателя среднего привода для

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QSMOTOR 3000W 138 70H electric bike mid drive motor kit assembly

 

For 138 3000W mid drive motor kit assembly, it could be used for electric scooter, electric motorcycle.

It could be 72V 90KPH, only avaiable for 12inch wheel kits (We might make bigger wheel & more powerful motor in near future.)

 

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  

 

Controller

 

 

The Kits include as below.

·1pc QS 3000W Mid Drive Motor with Left/Right fork 

·1pc Rear synchronous belt wheel 

·2pcs Decoration cover

·1pc Rear axle with screws

·2pcs Adapter

·1pc Synchronous belt

·1pc 12inch Aluminmun wheel

·1pc fender

·1pc Belt shield 

·1pc Belt side shield 

Do not include controller as default.

For the pakage, we will pack in two carton with wooden support.

70cm*39cm*25cm, 22.53kg

51cm*48cm*37.5cm, 12kg 

 

 

Pictures Show

 

 

Drawing

 

 

 

 

Application

 

 Performance Test

 

3000W 138 mid drive motor with  VOTOL EM-150 controller, 1:4.7 Reduction ratio

 

 

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