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JKBLD300 Brushless DC Motor Driver

4,130.00 (Inc. GST)3,500.00 (+18% GST Extra)


  • Brand Name: Jkongmotor
  • Model Name: JKBLD300
  • Type: BLDC motor driver
  • Power: 300W
  • Environment temperature: -10℃—50℃
  • Input Voltage: +18—+50VDC
  • Output Current: 15A—35A
  • Suitable Motor Speed: 0-20000Rpm
  • Hall Sensor Voltage: 4.5V—5.5V
  • External Potentiometer: 10kΩ
  • Support Motor: Brushless DC Motor less of 300w

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SKU: RDNA-J7.23 Category:

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JKBLD300 Brushless DC Motor driver is suit the following three-phase sine wave power is 300w Brushless DC Motor speed regulation, can provide an external potentiometer control, external analog voltage control, PC (such as PLC, SCM) PWM speed regulation, and other functions. At the same time the drive have large starting torque, quick start and brake, and positive & negative switching, combination of manual and automatic control.

Electrical Specifications:

Motor Hall Sensor Angle120°/240°
DC Power Input184850V
Drive Current Output01535A
Suitable Motor Speed020000rpm
Hall Sensor Voltage4.555.5V
Hall Sensor Current20mA
External Potentiometer10KΩ

 Connection Definition:


DC+/DC-DC Power Input (DC24V~DC48V)
U,V,WMotor lead wire
Hu,Hv,HwHall sensor lead wire
REF+Hall sensor power supply +
REF-Hall sensor power supply –
VCCExternal potentiometer power supply +
SVExternal potentiometer
COMPublic (low level)

Direction: High level/CW  Low Level/CCW 

ENEnable:  High Level/Stop  Low Level/Run
BRKQuick Brake: High Level/Stop Low Level/Run

Speed signal output

ALARMAlarm signal output
Speed Adjustment Instruction:Motor Speed Quick Response Setting:
A. Motor speed adjusted by the internal potentiometer RVOP/CL Connected (user setting):
B. Motor speed adjusted by the external potentiometerPID Closed loop-Motor quick response
C. Motor speed adjusted by analog signal  0V~+5V inputOP/CL Disconnected (factory setting):
D. Motor speed adjusted by analog signal  0V~+10V input NO PID Closed loop-Motor normal response
E. Motor speed adjusted by PWM input:

Pulse duty ratio 10%-90% / Speed linear modulation

Pulse rate: 1K-10K/ pulse amplitude 5V

Lead Wire Connection:
Take care of the sequence of U,V,W

Mechanical Size:

bldc motor driver

power parameter setting:

Note: to prevent electric pilot time to super power operation and damage Motor, please according to the above numerical combined with electrical power Properly set.Great changes have taken place when the load and lead to electricity Actual operation power more than setting will go into the drive Protected mode.


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