Zhaowei Machinery & Electronics Co., Ltd.

3V DC Gear Motor (3.4mm)


Load Current
Rated Speed
Rated Torque Max. (
Rated Torque Max. (mNm)
Reduction Ratio
Overall Length

Gearbox Specifications:

Bearing Porous bearing
Axial Endplay ≤0.3mm
Radial Loading on Output Shaft ≤0.3N
Operating Temperature -20℃ ~ +85℃


Gearbox Stages 1 2 3 4
Reduction Ratio 5 25 125 625
Max Rated Torque ( max) 50 50 50 50
Max Instant Torque ( max) 150 150 150 150
Gearbox Efficiency (%) 85 73 65 58
Length (mm) 6.0 7.5 9.0 10.5


3.4mm gearbox drawing

Motor Specifications:

Motors  Stepper motor
Voltage 3V
Input Speed ≤10000rpm
Current 50mA max

Performance Data:

Model Speed at 2400pps Max Rated Torque Max Instant Torque Reduction Ratio Length Overall Length
  rpm   mm mm
ZWBMD003003-5 1440.0 50 150 5 6.0 10.75
ZWBMD003003-25 288.0 50 150 25 7.5 12.25
ZWBMD004004-125 57.6 50 150 125 9.0 13.75
ZWBMD003003-625 11.5 50 150 625 10.5 15.25

* The above specifications are subject to change without prior notice. They are for reference only and can be customized as required.

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