Nema 17 Bipolar 1.8deg 45Ncm ( 1.68A 2.8V 42x42x48mm 4 Wires

Nema 17 Bipolar 1.8deg 45Ncm ( 1.68A 2.8V 42x42x48mm 4 Wires



Nema 17 Bipolar 1.8deg 45Ncm ( 1.68A 2.8V 42x42x48mm 4 Wires

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SKU: 17HS19-1684S1

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  • 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.

This bipolar Nema 17 stepper motor with step angle 1.8deg and size 42x42x48mm. It has 4 wires with 1m cable and 2.54mm pitch connector, each phase draws 1.68A, with holding torque 45Ncm ( It's very good choice for 3D printer.

Electrical Specification

  • Manufacturer Part Number: 17HS19-1684S1
  • Motor Type: Bipolar Stepper
  • Step Angle: 1.8 deg
  • Holding Torque: 45Ncm(
  • Rated Current/phase: 1.68A
  • Voltage: 2.8V
  • Phase Resistance: 1.65ohms
  • Inductance: 2.8mH ± 20%(1KHz)

Physical Specification

  • Frame Size: 42 x 42mm
  • Body Length: 48mm
  • Shaft Diameter: Φ5mm
  • Front Shaft Length: 24mm
  • Number of Leads: 4
  • Lead Length: 1000mm
  • Weight: 390g




Electrical Specification
Bipolar/Unipolar Bipolar
Holding Torque(Ncm) 45
Holding Torque( 63.7
Inductance(mH) 2.5
Phase Resistance(ohm) 2
Rated Current(A) 1.68
Step Angle(°) 1.8
Bipolar/Unipolar Bipolar
Step Angle(°) 1.8
Holding Torque (Ncm) 44
Holding Torque ( 62.3
Rated Current (A) 1.68
Phase Resistance(ohm) 1.65
Physical Specification
Frame Size(mm) 42x42
Body Length(mm) 48
Single Shaft/Dual Shaft Single Shaft
Shaft Type D-Cut
Shaft Diameter(mm) 5
Shaft Length(mm) 24
No. of Lead 4
Lead Length(mm) 1000
Weight(g) 400

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Bipolar Nema 17 3D Printer Stepper Motor

Looking for the high quality 3D printer stepper motor?

Then our 3D Printer Stepper Motor Nema 17 Bipolar 45Ncm ( 1.68A 42x42x48mm 4 Wires is the right product for you. Our product is the best choice for 3D printers.


The main feature are:

This model is one of the most popular for 3D printer, we have sold more than 500,000 of this model since year 2010, and it was proved with high quality for many of 3D printer manufacturer.

For more options about 3D printer stepper motor, or if you have any question with choosing motor, please don’t hesitate contact us.