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Hybrid Stepper Motor Family
Series H23S Hybrid Stepper Motor
H23S 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.

H23S Hybrid Stepper Drawings:
H23S Hybrid Stepper Diagrams:
H23S Hybrid Stepper Part Number Specification:
H23S 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)
H23S H23S013442 21.2 150 55.6 392.3  1.3 7.8 3 80 90 .49 .45 .5 1.65 42 15.9 450
H23S H23S021454 35.4 250 111.2 785.2 2.1 12.6 3 80 230 1.26 .7 1.3 2.1 54 22.9 650
H23S H23S025442 21.2 150 55.6 392.3 2.5 10 2 80 90 .49 1.3 1.5 1.65 42 15.9 450
H23S H23S030476 56.6 400 187.6 1324.7 3 18 3 80 370 2.02 1 1.7 3 76 34.6 980
H23S H23S035454 35.4 250 111.2 785.2 3.5 14 2 80 230 1.26 1.75 2.6 2.1 54 22.9 650
H23S H23S045476 56.6 400 187.6 1324.7 4.5 18 2 80 370 2.02 2.3 4.3 3 76 34.6 980
H23S H23S050442 21.2 150 55.6 392.3 5 10 1 80 90 .49 5 6.9 1.65 42 15.9 450
H23S H23S073454 35.4 250 111.2 785.2 7.3 14.6 1 80 230 1.26 7.3 14 2.1 54 22.9 650
H23S H23S085476 56.6 400 187.6 1324.7 8.5 17 1 80 370 2.02 8.5 18 3 76 34.6 980