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SKU 193324

3324 - 42STH38 NEMA-17 Bipolar Gearless Stepper

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Original price €24,92 - Original price €24,92
Original price
€24,92 - €24,92
Current price €24,92

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This NEMA-17 motor generates 3.6 Kg-cm of holding torque at 1.7 Amps. It comes with the rear shaft exposed, so you can mount anencoder or shaft coupler.

When connected to a 1067 - PhidgetStepper Bipolar HC, the 3324 has a maximum speed of 4130 RPM.

The 3324 stepper motor connects to a bipolar motor controller such as the 1067 - PhidgetStepper Bipolar HC.

The following table 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.

Wire Color Black Green Red Blue
Board Connector TO B C D

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

The rear shaft of this motor can be equipped with the HKT22 Optical Encoder for applications where you need to keep track of the exact position, velocity, or acceleration of the motor.

Motor Properties

Motor Type Bipolar Stepper
Manufacturer Part Number 42STH38-1684B
Step Angle 1.8°
Step Accuracy ± 5 %
Holding Torque 3.6 kg·cm
Rated Torque 3.3 kg·cm
Maximum Speed ​​(w/1067 Motor Controller) 4130 RPM
Acceleration at Max Speed
(w/1067 Motor Controller)
1E+06 1/16 steps/sec²

Electrical Properties

Recommended Voltage 12V DC
Rated Current 1.7 A
Coil Resistance 1.7 Ω

Physical Properties

Shaft Diameter 5 mm
Rear Shaft Diameter 3.9mm
Mounting Plate Size NEMA - 17
Weight 289 g
Number of Leads 4
Wire Length 300 mm


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.