SQM50.264R2G4 Siemens Damper Motor
$2,070.10
SQM50.264R2G4 Siemens Damper Motor 90 in-lb, 10 sec, 220V actuator, 4-20 mA, 135 deg, 3/8″ shaft
Overview
The Siemens SQM50.264R2G4 is a high-precision reversing actuator designed for the accurate positioning of air and gas dampers, flow control valves, and other industrial burner components requiring rotary motion. Engineered for both commercial and industrial applications, this electromotive actuator provides reliable modulating control, ensuring optimal combustion efficiency. Its robust construction, featuring a die-cast aluminum housing and impact-resistant plastic covers, makes it suitable for demanding environments.
Features
- High degree of modulating accuracy and repeatability for precise burner control
- Internal auto/manual selector switch and manual forward/reverse toggle switch for easy commissioning and adjustment
- Integrated drive shaft and cam drum disengagement clutches for quick manual alignment
- Externally visible position indicator for at-a-glance monitoring
- Low hysteresis gearing for both the actuator and potentiometer
- Field-exchangeable electronic circuit boards and potentiometers to accommodate various control requirements
- Maintenance-free gearwheels and bearings for long-term reliability
Specifications
- Model: SQM50.264R2G4
- Operating Voltage: 220-240 VAC (50/60 Hz)
- Torque: 90 in-lbs (10 Nm)
- Running Time: 8 seconds for 90 degrees (at 60 Hz); 10 seconds (at 50 Hz)
- Input Signal: 4-20 mA (via AGA56.41A internal circuit board)
- Rotation: Counter-clockwise (CCW) default
- Shaft Type: 3/8-inch square, dual-ended
- Potentiometer: ASZ12.33 (1000 Ohm, 135 degree)
- Switches: 2 limit switches and 4 auxiliary switches (SPDT)
- Approvals: UL recognized, CSA certified, and CE approved
Applications
- Positioning of air and gas dampers in industrial and commercial burner systems
- Precise modulating control for industrial process heating applications
- Operation of flow control valves and butterfly valves
- Use with Siemens burner controls such as the LMV5 or LME series
- High-turn-down burner applications requiring reliable ignition and low-fire positioning
| Weight | 12 lbs |
|---|---|
| Dimensions | 2 × 2 × 2 in |
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