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ST8918S4508-B –  Stepper motor – NEMA 34

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For quantities greater than 10, please contact us for volume pricing.

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Shaft modification Shaft modification (2)

Technical Data

  • NEMA 34 
  • Current per Winding 4.5 A
  • Holding Torque Bipolar 500.67 oz-in
  • Resistance per Winding 0.6 Ohm
  • Resolution 1.8 °/step
  • Weight 3.7 lb
  • Size 3.4 in
  • Holding Torque Unipolar 354.03 oz-in
  • Rotor Inertia 1000 gcm²
  • Inductance per Winding 1.9 mH
  • Length "A" 2.6 in

Dimensions

Torque Curves

log/linlin/linlin/loglog/log
Created with Highcharts 9.3.3Speed [rpm]Torque [Nm]4060801002004006008001 0002 00000.801.602.403.20
Recommended load limit:
Maximum short-term static load that may be reached when the service life is taken into account.
Torque
Output power
Torque [Nm] at 137.25 rpm
6.37A 24V parallel
 
 
 2.95
6.37A 48V parallel
 
 
 2.94
3.15A 24V series
 
 
 2.34
3.15A 48V series
 
 
 2.95

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