SQM50.464R1G4 Siemens Damper Motor
$1,344.10
SQM50.464R1G4 Siemens Damper Motor 140 in-lb, 25 sec, 110V actuator, 4-20 mA, 135 deg, 3/8″ shaft
Overview
The Siemens SQM50.464R1G4 is a high-precision reversing actuator designed for the accurate positioning of dampers, flow control valves, and butterfly valves in industrial and commercial burner applications. Part of the SQM5 series, this electromotive actuator is engineered for precision, providing a high degree of modulating accuracy and repeatability. It features a robust design suitable for various mounting orientations and is commonly integrated into systems requiring reliable rotary motion control.
Features
- Internal switches with two limit switches and four adjustable auxiliary switches for precise control
- Auto/manual selector switch and manual forward/reverse toggle switch for simplified commissioning and adjustment
- Drive shaft and cam drum disengagement clutches allowing for quick manual alignment
- Field reversible rotation direction (clockwise or counterclockwise)
- Externally visible shaft position indicator for easy monitoring
- Modular design with exchangeable circuit boards and potentiometers to accommodate various control requirements
- Low hysteresis operation ensured by double-offset drive and precision gearing
Specifications
- Model: SQM50.464R1G4
- Operating Voltage: 110-120 Vac (50/60 Hz)
- Torque: 140 lb-in (nom. 16 Nm)
- Running Time: 25 seconds for 90 degree rotation (at 60 Hz)
- Control Input Signal: 4 to 20 mA
- Potentiometer: 1000 Ohm, 135 degree rotation
- Shaft Type: 3/8 inch square, dual-ended
- Rotational Direction: Counterclockwise (CCW) when facing the gear end
- Protection Rating: Designed for industrial environments
- Approvals: UL recognized, CSA certified, and CE approved
Applications
- Positioning of air and gas dampers in industrial burner systems
- Control of fuel oil and gas flow control valves
- Operation of butterfly valves in HVAC and process heating applications
- Integration with Siemens burner controls (e.g., LMV5 series) for advanced modulation
- Industrial process heating requiring high turndown and repeatable ignition positioning
| Weight | 12 lbs |
|---|---|
| Dimensions | 2 × 2 × 2 in |
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