2021 SIA Новое поступление колесном 14x6 0 inch 3000W 4000W Макс 13500W 72V 110KPH QS138 середине приводной двигатель комплект для PCX Электрический


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Трекер стоимости

Месяц Минимальная цена Макс. стоимость
Sep-16-2025 0.81 $* 0.80 $*
Aug-16-2025 0.17 $* 0.0 $*
Jul-16-2025 0.70 $* 0.50 $*
Jun-16-2025 0.32 $* 0.17 $*
May-16-2025 0.6 $* 0.50 $*
Apr-16-2025 0.93 $* 0.53 $*
Mar-16-2025 0.31 $* 0.85 $*
Feb-16-2025 0.37 $* 0.37 $*
Jan-16-2025 0.80 $* 0.63 $*

Характеристики


2020 SIA New Arrival QSMOTOR 14 x 6.0inch 3000W 4000W Max 13500W 72V 110KPH QS138 Mid Drive Motor Kit for PCX Electric Scooter


 


Please noted that tire is not included as default.


 


For 138 3000W 4000W mid drive motor kit assembly, it could be used for electric scooter, electric motorbike, which could be 72V 110KPH, avaiable for 12inch wheel kits as default (14inch wheel assemble kits will comes out soon).


e.g. PCX big electric scooter


E-scooter weight, approx 130kg+2*80kg


Speed: max 110km/h


Gear ratio: 1:4.77 (double steps transmission )


Climbing slope: 30°@190kg


Battery: 72V50h NCM lithium battery


Tire: 180/50-14


 


One set including below kits


 


Combo 1


 


·1pc QS 14*6.0inch 3000W Mid Drive Motor assembly with Left/Right fork(Tire are not included)


·1pcs X Votol EM72150SP sine wave motor controller with standard CAN-BUS


·1pcs X DKD LCD speedometer


·1pcs X Z6 throttle with combination switch


 


Combo 2


 


·1pc QS 14*6.0inch 4000W Mid Drive Motor assembly with Left/Right fork(Tire are not included)


·1pcs X Votol EM72150SP sine wave motor controller with standard CAN-BUS


·1pcs X DKD LCD speedometer


·1pcs X Z6 throttle with combination switch


PS. It's new powertrain, the delivery time is a bit longer.


 


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Key Features


 


1). Simplify to make a electric-motorcycle. Gearbox, transmission shaft, clutch are no need. Which save space.


2). It could be installed in the rear to save more space for battery.


3). Support regenerative braking


4). High efficiency: 85~92%


 


Product description


 


Genearlly Spec:


 


Item: 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: 14x6.0inch Wheel (as default)


Magnet Height: 70mm,40pcs,5pole pairs


Diameter of stator: 138mm


Rated Power: 3000W


Rated Voltage: 72V as default


Speed: 110KPH


No-load rpm: 3800rpm without flux weakening, 6000RPM with flux weakening.


Max Torque: approx 56N.m without Reduction ratio, approx 247N.m with 1:4.77 Reduction ratio


Reduction ratio: 1:4.77 (as default)


Max Efficiency: 88%


Continuous Battery Current: pending (72V)


Peak Battery Current: 150A (72V)


Suggest Peak Phase Current: 450A


Thermic Probe:None as default (KTY83/122 is available, if you need, please let sales man know).


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.: 32.5kgs/34.5kgs


Package Dimension: 70*39*25cm


 


 


Dimension Drawing:


 




  • QS 138 3kW mid drive motor




 


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QS 138 4kW mid drive motor


 


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14x6.0inch 3kw assembly drawing


 


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14x6.0inch 4kw assembly drawing


 


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Test report


 


QS138 3kw Assembly


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QS138 4kw single motor dyno test with EM150SP controller


 


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EM72150SP Controller Description:


 


Specification


 


·Sine wave controller, programmable, with regen function


·Rated Current:180A


·BOOST Current: 220A


·Peak Current: 470A


·Max.Power: 12960W


·Flux Weakening Ratio:100~250%


·Max.Efficiency:88~93%


·Net weight: 1650g


·Waterproof IP67


 


 8.webp.jpg


3. DKD LCD speedometer, can-bus(optional, LIN as default)


 


It display D N R, P, S gear, and battery current X5/10.


P.s.: If the working battery doesn't have can-bus communication, then the can-bus speedometer will shows lack of electricity always.


So, we suggest to do the speedometer as Line communication version if client can't get can-bus battery.


 9.jpg


 


4. Z6 throttle with combination switch


 


With Reverse, Parking button( throttle on/off), 3 slide switch gear, s/boost button, Light and Horn.


It match with VOTOL controller well.


 


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Application for QS 138 3kW mid drive motor


 


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Company Information

 

 


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.


About-us.jpg


 



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


Certification.jpg 




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


Certification.jpg


                                                                                                 


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