The Siemens SQM40.165R11SC is a compact, counterclockwise rotary actuator for precise damper and valve control in combustion and HVAC systems. It delivers smooth, proportional modulation with fast commissioning and reliable feedback.
Technical Details
- Part Number: SQM40.165R11SC
- Type: Rotary modulating actuator (reversing)
- Torque: 45 in-lb (≈ 5 Nm)
- Travel Time (90°): ~12.5 s @ 60 Hz (≈ 15 s @ 50 Hz)
- Rotation: Counterclockwise (CCW)
- Supply Voltage: 110 VAC, 50/60 Hz
- Control Input: 4–20 mA, 2–10 VDC, or 0–135 Ω
- Shaft: 10 mm D-flat
- Switches: 3 internal cams (aux/position)
- Feedback: 1000 Ω potentiometer
- Enclosure: NEMA 4
- Approvals: UL, CSA, CE
Key Features
- Proportional control for stable, accurate airflow and fuel control.
- Built-in potentiometer for precise position feedback.
- Three adjustable cams for ignition, low, and high-fire setpoints.
- Manual clutch for quick alignment during setup and service.
- Rugged housing and certifications for industrial environments.
- Flexible mounting; compatible with Honeywell Mod IV via AGA57.5 bracket.
Applications
- Modulating air/gas dampers on industrial burners.
- Butterfly valve actuation for oil/gas and process control.
- Burner systems require staged ignition and low-fire positioning.
- OEM and retrofit HVAC/combustion projects needing reliable modulation.
We ship this product worldwide! Delivery is normally stock.
Request a Quote now or call us at 1-800-755-2883 for expert assistance.
Alternate Part Numbers
SQM40.165R11SC, 5QM40.165R11SC, SQM40.165Rl1SC
