Cutaway view

SERAC® XH with directly driven output rod

  • 1 Output rod end with internal thread (M16 x 32 mm)
  • 2 Small-size mounting flange with internal threads
  • 3 Optional safety limit switches
  • 4 Direct travel measurement for maximum positioning accuracy under load
  • 5Guide with locking element
  • 6 ASCA servo screw
  • 7 Lubricating nipple for screw drive
  • 8 Motor shaft and screw in one piece
  • 9 Torque motor with low cogging torque
  • 10 High-quality bearing
  • 11 Motor holding brake
  • 12 Motor encoder (resolver or sin/cos 1 Vss)
  • 13 Electrical connections (power and encoder connectors)
  • 14 M6 internal thread for flange mounting


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Performance data

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Dimensions and stroke lengths

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SERAC® XH12 data download


for the models
E0 = without travel measuremen
E1 = sin/cos 1 Vss
E2 = RS422
(models have the same length)
Stroke 50:        SERAC XH12-050-..-E0,E1,E2 >
Stroke 100:      SERAC XH12-100-..-E0,E1,E2 >
Stroke 150:      SERAC XH12-150-..-E0,E1,E2 >
Stroke 200:      SERAC XH12-200-..-E0,E1,E2 >

with absolute travel measurement (E3):
Stroke 50:        SERAC XH12-050-..-E3 >
Stroke 100:      SERAC XH12-100-..-E3 >
Stroke 150:      SERAC XH12-150-..-E3 >
Stroke 200:      SERAC XH12-200-..-E3 >

models with and without brake have the same length

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