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Kelly QSKLS7230S,24V-72V,300A, 60V Brushless Electric Bicycle Motor Sinusoidal Brushless Motor Controller

$236.55 / Piece | 1 Piece (Min. Order)
Motor Type:
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Shipping fee:
Depends on the order quantity.
Lead Time:
25 day(s) after payment received
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Quick Details
Place of Origin:
Anhui, China
Brand Name:
Model Number:
Matching Motor:
3000W Brushless DC Motor

Packaging & Delivery

Selling Units:
Single item
Single package size: 
15X11X7 cm
Single gross weight:
2.820 kg
Package Type:
Package Type: QS Motor Standard export packing 1. polyfoam + carton box 2. Or according to customer's requirements
Lead Time :
Quantity(Pieces) 1 - 1 >1
Est. Time(days) 25 To be negotiated

3000W QSKLS7230S brushless electric bike controller programmable


It's special design for QS brushless motor controller for Conversion Kits, which can match with QS HUB MOTOR Rated Power 3000W, 24-72V.


Product Description

Key Features

1). Very Easy connect

2). Can match with almost brushless DC motor

3). Quality Guarantee(generally no after-sale issue)

4). Programmable with USB and bluetooth(No bluetooth as default)


1. Generally SPEC

1. sine wave controller, programmable, with regen function                 

2. Motor Current Limit, 20 seconds: 300A

3. Motor Current Limit, continuous: 120A                                                               

4. Thermic Probe: KTY83-122                                                                

5. Including one controller + USB convertor cable + matched plug                

6. controller size: 148mm*53mm*94mm                                           

7. net weight: 0.55kg                                                                          

8. waterproof IP54                                                                                     

9. default not including bluetooth, waterproof(those function are optional); CAN BUS not support 


2. Kelly Controller Software Interface

Here are the clear and easy adjustment software interface.


3. QSKLS7230S controller drawin       

4. Wiring

5. Pin Definition

DJ7091Y-2.3-11 Pin Definition

(14) REV_SW: Reverse switch input. Orange

(6) RTN: Signal return or power supply return. Black

(12) FWD: Forward switch White

(11) 12V:12V Source Red

(9) Relay: Main contactor driver. Blue

(7) PWR: Controller power supply (input). Pink

(25) 12V brake switch. Yellowish


DJ7091Y-2.3-21 Pin Definition

(15) Micro_SW: Throttle switch input. Gray

(3) Throttle: Throttle analog input, 0-5V. Green

(1) Temp: Motor temperature sensor input. Raddle.

(20) RTN: Signal return. Black

(8) Meter: Copy signal of hall sensors. Dark Gray

(4) 5V: 5V supply output, <40mA. Purple

(2) Brake_AN:Brake variable regen or Boost function. Brown


DJ7061Y-2.3-21 Pin Definition

(21) RTN:Signal return. Black

(5) 5V: 5V supply output,<40mA.Purple

(18) Hall A: Hall phase A. Yellow

(17) Hall B: Hall phase B. Dark Green

(16) Hall C: Hall phase C. Dark Blue



1. All RTN pins are internally connected.

2. Meter function is to copy either of hall sensors.

3. Switch to 12V is active. Open switch is inactive.

Pls. contact with sales first if you don't know how to connect the controller with motor and other parts.


5. Questions before order

1). If you want to buy the controller separately, please advise us the parameters of your matching motor?

Such as Motor Voltage, Wattage, Speed...

2). If you need any other special functions for this controller, please feel free to contact to us. Thank you!


More Kelly controller Informaiton:

Kelly Sine Sinusoidal Wave Vector BLDC foc Programable DC Brushless Motor Speed Controllers For High Power Motors 500W-16000W 

For more information, please feel free to contact with us.


PS. For delivery cost, please contact with us if it's not reasonable.

We will modify it after place the order on-line (before payment).

When place the order online, please leave the your E-mail address.

(For how to choose the controller, please feel free to contact with us. E-mail used for details confirm)


In order to recommend the suitable controller for you and send you the quotation accordingly, could you kindly inform me below points?

1. What's your application, e-bike, e-scooter, e-car?

2. Sine Wave or Square Wave?

3. The Voltage of controller, Peak Phase Current(10 seconds), Continuous Phase Current Limit?

Or which motor would you use (Wattage, RPM/Speed)?

Thank you for your understanding in advance.


No QS Motor, No Super EVs!

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