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High-Torque NEMA 23 Current

Discussion in 'General Electronics' started by mahty, Jan 30, 2022.

  1. mahty

    mahty New
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    Hi Folks,

    I just purchased a number of linear actuators from OpenBuilds using the OpenBuilds high-torque NEMA 23 steppers. The current rating in the spec is a bit confusing. Is it truly 3A/phase, or 6A in total? This seems to be quite a lot for a stepper.
     
    #1 mahty, Jan 30, 2022
  2. Peter Van Der Walt

    Peter Van Der Walt OpenBuilds Team
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    They are 3A Motors, correct. :)
     
    #2 Peter Van Der Walt, Jan 30, 2022
  3. mahty

    mahty New
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    To clarify, being 3A/phase, do I need a controller that can handle 6A or 3A to drive one?
     
    #3 mahty, Jan 31, 2022
  4. Peter Van Der Walt

    Peter Van Der Walt OpenBuilds Team
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    #4 Peter Van Der Walt, Jan 31, 2022
    Last edited: Jan 31, 2022
  5. MS Holmquist

    MS Holmquist New
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    On this same topic, can I expect the Blackbox to use 3A to drive any stepper that I plug into it?
     
    #5 MS Holmquist, Jul 11, 2022
  6. Peter Van Der Walt

    Peter Van Der Walt OpenBuilds Team
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    Basically yes. But also compare other motor specs to ours (inductance, coil voltage, resistance etc). Amperage is just one of the parameters to take into account
     
    #6 Peter Van Der Walt, Jul 12, 2022

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