utf8 BLDC Motor Controller, KLS7215H,24V-72V,150A,SINUSOIDAL BRUSHLESS MOTOR CONTROLLER for QS Motor-Kelly QSKLS-H-QS Motor, QSMOTOR, 350W - 14kw High Power Electric Bike Scooter Motorcycle Tricycle Car Wheel Hub Motor leading manufacturers in China | Taizhou Quanshun Electric Drive Technology Co., Ltd.


Price:US $223.00/piece
Production Period:4~5 Woking days

KLS7215H,24V-72V,450A,SINUSOIDAL BRUSHLESS MOTOR CONTROLLER for in-wheel hub motor

It's special design for QS brushless motor controller for Conversion Kits, which can match with QS HUB MOTOR Rated Power 2000W.

Key Features

1). Very Easy connect

2). Can match with almost brushless DC motor

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

4). Programmable


1. Generally SPEC

1. Sine wave controller, programmable, with regen function                 

2. Motor Current Limit, 20 seconds: 150A

3. Motor Current Limit, continuous: 60A                                                               

4. Battery Voltage: 24V-72V rated, max. 90V.

5. Thermic Probe: KTY83-122                                                                

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

7. Controller size: 194mm*126mm*86.8mm                                    

8. Net weight: 1.82kg                                                                          

9. Waterproof IP54                                                                                     

10. Default not including bluetooth; CAN BUS are optional


2. Kelly Controller Software Interface

Here are the clear and easy adjustment software interface.



3. QSKLS7215H controller drawing

Here is drawing of our normal QSKLS7215H controller, 194mm*126mm*86.8mm       



4. 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

(25) 12V brake switch. Yellowish

(9) Relay: Main contactor driver. Blue

(33)CAN-H:Green(Optional function)

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

(34)CAN-L:Dark Gray(Optional function)


DJ7091Y-2.3-21 Pin Definition

(15) Micro_SW: Throttle switch input. Gray

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

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

(20) RTN: Signal return. Black

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

(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!


6. Other Motor Kits and more controller models

If you are interested on more models of controller, pls. refer to below data sheet, and click the hyperlink of picture. 



No QS Motor, No Super EVs!

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