The Siemens SQM4 Synchro is a cost effective modulating actuator with up to 160 in-lbs and 12 or 25 second drive times for 90 degrees.

  • NEMA 4 – No need for weather shields
  • No restrictions on mounting orientation – No more elaborate linkages to keep the shaft horizontal!
  • The modulating input versions accept 2-10 Vdc, 4-20 mA or 0-135 ohm control signals

Technical Literature:
SQM40/41 Synchro (n7817en)
Trilogy T500 to SQM4 replacement (SQM-6000)