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Nema 17 Stepper Motor Bipolar 1.8 Deg 40Ncm (56.6oz.in) 0.4A 12V 42x42x39mm 4 Wires

Nema 17 Stepper Motor Bipolar 1.8 Deg 40Ncm (56.6oz.in) 0.4A 12V 42x42x39mm 4 Wires
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Our Price:$12.53
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Qty.Range(unit) Price(unit) Discount
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30 $11.65 7%
50 $11.28 10%
100 $10.90 13%
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This bipolar Nema 17 stepper motor with step angle 1.8deg and size 42x42x39mm. It has 4 wires, each phase draws current 0.4A at 12V, with holding torque 40Ncm (56.6oz.in).

Electrical Specification

  • Manufacturer Part Number: 17HS15-0404S
  • Motor Type: Bipolar Stepper
  • Step Angle: 1.8 deg
  • Holding Torque: 40Ncm(56.6oz.in)
  • Rated Current/phase: 0.4A
  • Voltage: 12V
  • Phase Resistance: 30.0ohms
  • Inductance: 58mH ± 20%(1KHz)

Physical Specification

  • Frame Size: 42 x 42mm
  • Body Length: 39mm
  • Shaft Diameter: Φ5mm
  • Shaft Length: 24mm
  • D-cut Length: 15mm
  • Number of Leads: 4
  • Lead Length: 500mm
  • Weight: 290g





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Next: Nema 17 Stepper Motor Unipolar 1.8 Deg 26Ncm (37oz.in) 0.4A 12V 42x42x39mm 6 Wires
Electrical Specification
Bipolar/Unipolar Bipolar
Holding Torque (Ncm) 40
Holding Torque (oz.in) 56.6
Inductance(mH) 58
Phase Resistance(ohm) 30
Rated Current (A) 0.4
Step Angle(°) 1.8
Physical Specification
Body Length(mm) 39
Frame Size(mm) 42x42
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) 500
Weight(g) 240
  • 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.

Crees – 14 Aug 2017

Good stepper motor, however I agree with the other reviewer regarding the pinout. RED-BLUE, and GREEN-BLACK are the motor winding pairs (not what the datasheet suggests).
*EDIT:* I have received several of these now. There's a date code on the bottom - I have 2 '2014' date codes and 1 '2016' date code. The 2016 date code matches the datasheet...i.e. the motor pairs are RED/BLACK, GREEN/BLUE. The 2014 date codes match what was written before (RED/BLUE, GREEN/BLACK). All of that said, I would caution the buyer to discover for themselves what the motor pairs are, by using a multimeter.

JMR – 10 May 2017

Motor is okay. However, the wiring diagram is wrong, which took me a while to figure out. The coils should be RED-BLUE, and GREEN-BLACK.

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