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Nema 23 Stepper Motor Bipolar 3Nm (425oz.in) 4.2A 57x57x114mm 4 Wires CNC Stepper Motor

NO.:SKU:23HS45-4204S
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This is the strongest Nema 23 stepper motor, it with step angle 1.8deg and size 57x57x114mm. It has 4 wires, each phase draws 4.2A, with holding torque 3.0Nm (425oz.in).

Electrical Specification

  • Manufacturer Part Number: 23HS45-4204S
  • Motor Type: Bipolar Stepper
  • Step Angle: 1.8 deg
  • Holding Torque: 3.0Nm(425oz.in)
  • Rated Current/phase: 4.2A
  • Voltage: 3.78V
  • Phase Resistance: 0.9ohms
  • Inductance: 3.8mH ± 20%(1KHz)

Physical Specification

  • Frame Size: 57 x 57mm
  • Body Length: 113mm
  • Shaft Diameter: Φ10mm
  • Shaft Length: 24mm
  • D-cut Length: 20mm
  • Number of Leads: 4
  • Lead Length: 400mm
  • Weight: 1.8kg

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Next: Round Nema 23 Bipolar 0.9 deg 70Ncm (99.13oz.in) 2.8A 1.8V 57x52mm 4 Wires
Electrical Specification
Bipolar/Unipolar Bipolar
Holding Torque (Ncm) 300
Holding Torque (oz.in) 425
Inductance(mH) 3.8
Phase Resistance(ohm) 0.9
Rated Current (A) 4.2
Step Angle(°) 1.8
Physical Specification
Body Length(mm) 113
Frame Size(mm) 57x57
Single Shaft/Dual Shaft Single Shaft
Shaft Type D-Cut
Shaft Diameter(mm) 10
Shaft Length(mm) 24
No. of Lead 4
Lead Length(mm) 400
Weight(g) 1600
  • Connectors: Molex, Harwin, Tyco/AMP, JST etc.
  • Lead wires & cables: Special lengths, Protective hose
  • Shaft: Round, D-Cut, Cross drilled, Key-Way, Thread or Hollow
  • Winding: Resistance, Inductance, Rated Current, etc.

pavechernobrivet-0 – 28 Jul 2018

All is well. Fast delivery. Corresponds to the description.

Joel Janssen – 01 Nov 2017

This stepper motor performs very well for my application and exceeded my expectations.
I'm using these in a milling cnc I'm building to drive the axis ball screws and have been able to achieve speeds in excess of 2200rpm which with a 5mm pitch screw, translates into 11,000mm/min or over 400IPM. Mass moved during these tests was 60lbs. Granted the torque at this speed is next to nothing for the given voltage but at least is an indicator of where the limitations are. Some details of the setup tested are listed below.
Motor driver : M542T (4:1 Microstepping)
Power supply: 48V/5A (set to 49.5v) Meanwell NDR series
Ball Screw: unbranded - 1605, 700mm Length, BK mount supports, split clamping coupler.
Ways: NSK 35mm Linear guides
Ramp profile: trapezoidal curve at 600 mm/sec^2
While I haven't tested it but I believe the voltage limit for this motor calculates out to around 60v so one may be able to squeeze out a few hundred more rpm.

Travis Coleman – 29 Oct 2017

Heavy little beast. Works really well with the microstepper driver I bought. No problems.

Don W – 21 Jan 2016

Looks of good quality but I had to return it because of my failure to read the description. The motor draws 4.2 amps and my drivers only supply 3 amps. The shaft size is too big, not 1/4 inch. Wish I could have used them. Maybe on the next larger machine.

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