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NEMA-17 Bipolar 48mm Stepper Motor

Model : P3D42BYJSM

Initial Weight : 340.00g

$8.00 $15.99

Availability: In stock

    Stepper motors are different from DC motors in that they have to be pulsed to move in set increments. That means you can't simply hook them up to a power supply to make them go, but they have other advantages, like accurate positioning (1 pulse=1 increment of movement), and lots of low-speed torque (ability to twist things). This 4-wire bipolar stepper has 1.8° per step for smooth motion and a nice holding torque. This NEMA-17 stepper motor produces a whopping 4800g*cm (66.7in*oz) of holding torque. Applications: stage lighting, laboratory instruments, textile machinery, telescope positioning, robotics, etc..


  • Black wire =A
  • Green wire = B
  • Red Wire = C
  • Blue wire = D


  • Very High Torque
  • NEMA-17 Bipolar 4-wire
  • Step angle: 1.8 degree
  • Holding Torque: 4800g-cm@2.5 Amps


  • Number of steps: 200 Step
  • angle: 1.8 degrees
  • Rated Voltage: 3.1V
  • Phase Resistance: 1.25 ohm
  • Rated Current : 2.5 A
  • Phase Inductance : 1.8 mH
  • Holding torque: 4.8 kg.cm
  • Number of Leads: 4
  • Dimensions axis: Ø5 x 22 mm
  • Dimensions: 42 x 42 x 48 mm
  • Weight: 340 g

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Customer Reviews

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work well Review by Camilla
I use it on the telescope positioning, it can accurate positioning. it's a more powerful motor and was cheaper. delivered on time. five stats. (Posted on 5/15/2017)

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