12V, 2.8A, 3333 oz-in NEMA-23 Bipolar Stepper Motor

PhidgetsSKU: RB-Phi-266
Manufacturer #: 3334

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  • Bipolar stepper motor with planetary gearbox
  • 0.023° step angle and 240 kg·cm of torque
  • Step Accuracy: ± 5 %
  • Comes with the rear shaft exposed

The 12V, 2.8A, 3333 oz-in NEMA-23 Bipolar Stepper Motor has an integrated planetary gearbox with a 76 49/64 :1 ratio. It comes with the rear shaft exposed, so you can mount an encoder or shaft coupler. When connected to a Bipolar HC, the motor has a maximum speed of 25 RPM. At the output of the gearbox, the step angle approximately 0.023°. When using the step angle in calculations, you should derive the exact step angle by dividing 1.8° by the gearbox reduction ratio. At 2.8 Amps, this stepper motor can produce a maximum torque of 960 kg-cm. However, the gearbox is only rated for 240 kg-cm of continuous torque.

12V, 2.8A, 3333 oz-in NEMA-23 Bipolar Stepper Motor- Click to Enlarge


Note: The 2.8V refers to the phase voltage which is different than the 12V rating we give it. At the end of the day, stepper motors don't have a "Rated Voltage" per se. You can run them at a wide range of different voltages and it will just change the performance of the motor. We recommend that you use this motor at a minimum of 12V but you could run it at 24, or 30 if you wanted to and the motor would simply perform a bit better (require less current for a given speed and torque).




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