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Hybrid Stepper Motor Family
Series H23R Hybrid Stepper Motor
H23R Hybrid Stepper Specifications:
Mounting Flange: NEMA 23
Step angle:  1.8°
Steps per Revolution: 200
Positional Accuracy:  + 5% max.
Number of Phases: 4 (unipolar)*
Temperature Rise: 80°C max
Insulation Resistance: 100M ohms at 500VDC for 1 minute
Dielectric Strength: 800VAC for 1 minute
Insulation Class: Class B
Number of lead wires: 6 *
Lead wire: UL3265 or UL1007 AWG#22
Operation Ambient Temp: -10°C ~ +50°C
Radial Play: 0.03 mm max at 0.5 kg load
Axial Play: 0.08 mm max at 0.7 kg load
* Contact Hurst for other lead or phase configurations

Unipolar Drives

Motor phase winding current is switched in only one direction (typically to ground).
  • Simple low cost drive circuit
  • Requires center tap winding
  • Low Output Torque
  • 6 & 8 lead motors
Bipolar Drives
  • Motor phase winding current is switched in both directions.
  • Higher cost drive circuit
  • Higher Output Torque
  • Approximately 1.4 X Unipolar Drive
  • 4, 6, & 8 lead motors
  • 8 Lead Motors are more efficient when used with a bipolar drive.

H23R Hybrid Stepper Drawings:
H23R Hybrid Stepper Diagrams:
H23R Hybrid Stepper Part Number Specification:
H23R Hybrid Stepper Model Table:
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Model Part
Number
 
Detent
Torque
(oz-in)
Detent
Torque
(mN-m)
Holding
Torque
(oz-in)
Holding
Torque
(mN-m)
Nominal
Voltage
(Vdc)
Input
Power
(watts)
Current
(amp /
phase)
Full
Load
Temp
Rise
(deg C)
Rotor
Inertia
(gm-cm2)
Rotor
Inertia
(oz-in2)
Winding
Res.
(ohms)
Rated
Ind.
(mH)
Case
Length
(in)
Case
Length
(mm)
Weight
(oz)
Weight
(grams)
H23R H23R028451 56.6 400 69.5 491 2.8 11.2 2 80 120 .66 1.4 2 2 51 17.6 500
H23R H23R030456 63.7 450 83.4 589 3 13.2 2.2 80 155 .85 1.4 2.9 2.2 56 21.9 620
H23R H23R060456 63.7 450 83.4 589 6 14.4 1.2 80 155 .85 5 9.8 2.2 56 21.9 620
H23R H23R120451 56.6 400 69.5 491 12 14.4 .6 80 120 .66 20 30 2 51 17.6 500
H23R H23R120456 63.7 450 83.4 589 12 14.4 .6 80 155 .85 20 38 2.2 56 21.9 620