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3323_0 35STH36 NEMA 14 Bipolar Gearless Stepper, 3323


This NEMA-14 motor generates 1.4 Kg-cm of torque at 1 Amp. It comes with the rear shaft exposed, so you can mount an encoder or shaft coupler.

This bipolar stepper with rear shaft has a 1.8° step angle and 1.2 kg·cm of torque at low speeds.

When connected to a 1067 - PhidgetStepper Bipolar HC, the 3323 has a maximum speed of approximately 2340 RPM at zero load.


The 3323 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.

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 35STH36-1004B
Step Angle 1.8°
Step Accuracy ± 5 %
Holding Torque 1.4 kg·cm
Rated Torque 1.2 kg·cm
Maximum Speed (w/1063 Motor Controller) 525 RPM
Maximum Speed (w/1067 Motor Controller) 2340 RPM
Acceleration at Max Speed
(w/1067 Motor Controller)
1E+06 1/16 steps/sec²

 Electrical Properties

Recommended Voltage 12 V DC
Rated Current 1 A
Coil Resistance 2.7 Ω

 Physical Properties

Shaft Diameter 5 mm
Rear Shaft Diameter 3.8 mm
Mounting Plate Size NEMA - 14
Weight 198 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.