SQM50.464R2G3 Siemens Damper Motor
$1,479.30
SQM50.464R2G3 Siemens Damper Motor 140 in-lb, 30 sec, 220V actuator, 4-20 mA, 90 deg, 3/8″ shaft
Overview
The Siemens SQM50.464R2G3 is a high-precision reversing actuator designed for the accurate positioning of dampers and flow control valves in oil and gas burner applications. Engineered for industrial and commercial combustion systems, this damper motor provides reliable rotary motion and integrates seamlessly with burner management systems like the Siemens LMV5. It features a modular design that allows for field-exchangeable components, ensuring flexibility and long-term serviceability in demanding HVAC and process heating environments.
Features
- Equipped with two limit switches and four internal auxiliary switches for flexible control feedback
- High degree of modulating accuracy and repeatability for precise fuel-air ratio control
- Field-reversible rotation allowing for both clockwise and counter-clockwise operation
- Integrated auto/manual selector switch and manual forward/reverse toggle for easy commissioning
- Low hysteresis drive system with double-offset gearing and potentiometer feedback
- Durable construction with a design lifetime of approximately 250,000 burner startup cycles
- Features a 3/8 inch square dual-ended shaft for versatile mounting configurations
Specifications
- Model: SQM50.464R2G3
- Torque Output: 140 in-lbs (16 Nm)
- Running Time: 25 seconds for 90 degree rotation (at 60 Hz)
- Operating Voltage: 220-240 VAC (50/60 Hz)
- Input Signal: 4 to 20 mA (via G-type electronic circuit board)
- Shaft Type: 3/8 inch square, dual-ended
- Power Consumption: 20 VA
- Protection Rating: IP54 (NEMA 1, 2, 3, 3R, 3S, 5, 12, 13)
- Potentiometer: 1000 Ohm / 90 degree (ASZ12.30)
Applications
- Precise modulation of air and fuel dampers in industrial and commercial burners
- Positioning of flow control valves and butterfly valves in combustion processes
- Fuel-air ratio regulation in high-efficiency boilers and process heating systems
- Ideal for applications requiring high turndown and reliable ignition sequences
- Suitable for integration with Siemens LMV5 or LME series burner controls
| Weight | 12 lbs |
|---|---|
| Dimensions | 2 × 2 × 2 in |
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