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Nema 23 Stepper Motor L=56mm Gear Ratio 20:1 High Precision Planetary Gearbox

NO.:SKU:23HS22-2804S-HG20
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This Nema 23 stepper motor with 55mm body and 2.8A rated current, integrated with a 61.65mm Planetary gearbox of 20:1 gear ratio. It's a good solution to applications that with special space but need low speed and/or high torque.

Electrical Specification

  • Manufacturer Part Number: 23HS22-2804S-HG20
  • Motor Type: Bipolar Stepper
  • Step Angle: 0.09 deg
  • Holding Torque without Gearbox: 103Ncm(146oz.in)
  • Rated Current/phase: 2.8A
  • Phase Resistance: 0.9ohms
  • Voltage: 2.5V
  • Inductance: 2.8mH ± 20%(1KHz)

Gearbox Specifications

  • Gearbox Type: Planetary
  • Gear Ratio: 20 : 1
  • Efficiency: 90%
  • Backlash at No-load: <=25 arcmin
  • Max. Permissible Torque: 25Nm(3540oz.in)
  • Moment Permissible Torque: 40Nm(5664oz.in)
  • Max. Radial Load: 400N
  • Ambient Temperature: -10 - 90℃
  • Insulation Class: B
  • Noise: <=50 dB
  • Life: 20000 h

Physical Specifications

  • Frame Size: 57 x 57mm
  • Motor Length: 55mm
  • Gearbox Length: 61.65mm
  • Shaft Diameter: Φ14mm
  • Shaft Length: 34mm
  • Key-way Length: 25mm
  • Number of Leads: 4
  • Lead Length: 320mm
  • Weight: 1800g

Connection

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Gearbox Specification
Backlash at No-load(Max.°) 0.25
Efficiency 90%
Gear Ratio 20:1
Gearbox Length(mm) 61.65
Gearbox Type Planetary
Max. Permissible Torque(Ncm) 2500
Max. Permissible Torque(oz.in) 3540.3
Moment Permissible Torque(Ncm) 5664.5
Shaft Maximum Radial Load(N) 400
Motor Specification
Inductance(mH) 2.8
Lead Length(mm) 320
Motor Nema Size Nema 23
No. of Lead 4
Phase Resistance(ohm) 0.9
Rated Current (A) 2.8
Shaft Diameter(mm) 14
Shaft Length(mm) 34
Bipolar/Unipolar Bipolar
Holding Torque w/o Gearbox(Ncm) 103
Holding Torque w/o Gearbox(oz.in) 145.86
Motor Length(mm) 55
Single Shaft/Dual Shaft Single Shaft
Shaft Type Key-way
Physical Specification
Weight(g) 1800
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