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Neptronic ST105S Actuator (70 inch lb.) 8Nm


Product Description

Neptronic ST105S Actuator (70 inch lb.) 8Nm

Neptronic ST105S Actuator (70 inch b.) 8Nm Torque Actuator with 90-110 Seconds Rotation time. Neptronic ST105S Actuator 70 8Nm are used for small dampers, unit ventilators, 1/4 turn valves, VAV box control and fan coils.


  • With Feedback.
  • 2 Position or 3 Point Floating Control
  • 120 VAC Power Required.

Features:  Neptronic ST105S Actuator (70 inch lb.) 8Nm        

  • Mounts easy on round and Square shaft (with option -8)
  • w/ External clutch for manual adjustments
  • Maintenance free
  • Position indicator.
  • Fail safe by Enerdrive System1 (on model 60, 65, &80).iary switches (on model 20 & 80)

This compact S Series (70 8 Nm torque quarter turn actuator may be directly coupled to either a 1/2 inch round or 3/8 inch square jack shaft or remotely mounted using an adaptor kit.  All actuators including Enerdrive actuators are bi-directional under fail safe conditions.  Neptronic ST105S Actuator 70 8Nm stroke may be limited to less than 90 deg mechanically.

Neptronic Actuator Selection Software

PDFNEP actuator selection guide

PDFData Sheet S Series Actuators.pdf

 PDFS Series Actuators Specs.pdf 

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