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Unit 1 - 6115 4 St SE
Calgary AB  T2H 2H9

NEMA-17 Bipolar 48mm Stepper (0.9° Step Angle)

ID: 3302_0

This precise bipolar stepper has a 0.9° step angle and 4.28 kg·cm of torque at low speeds.


Replaced by the 3340_0, the same motor with a rear shaft and encoder mounting holes.

This motor is a larger NEMA-17 motor that produces a whopping 4800g-cm of holding torque and fine resolution. The motor is also very efficient in converting current into torque and velocity.

Product Specifications

Motor Properties
Motor Type Bipolar Stepper
Manufacturer Part Number 42BYGHM810
Step Angle 0.9°
Step Accuracy 5 %
Holding Torque 4.8 kg·cm
Rated Torque 4.3 kg·cm
Maximum Speed (w/1063 Motor Controller) 300 RPM
Maximum Motor Speed 2344 RPM
Acceleration at Max Speed
(w/1067 Motor Controller)
2.4E+06 1/16 steps/sec²
Electrical Properties
Recommended Voltage 12 V DC
Rated Current 2.4 A
Coil Resistance 1 Ω
Phase Inductance 1.8 mH
Physical Properties
Shaft Diameter 5 mm
Mounting Plate Size NEMA - 17
Weight 362 g
Number of Leads 4
Wire Length 300 mm
Customs Information
Canadian HS Export Code 8501.10.00
American HTS Import Code 8501.10.40.60
Country of Origin CN (China)

The 3302 stepper motor connects to a bipolar motor controller such as the 1067 - PhidgetStepper Bipolar HC.

The following diagram shows how to connect the motor wires to the board connectors to produce a clockwise rotation in the stepper motor when increasing position. To wire for counter-clockwise rotation when increasing position, reverse the red and blue wires.


Note: Make sure to unplug the power cord from the motor controller before switching wires around.


warning Connecting the motor directly to a power supply will destroy the motor and void the warranty. If you want to check your motor make sure it is connected to a constant current / chopper drive controller.