SQM53.464A1G4 Siemens Damper Motor

Overview

The Siemens SQM53.464A1G4 is a high-precision reversing actuator designed for the accurate positioning of air and gas dampers, as well as flow control and butterfly valves. As part of the SQM5 series, this electromotive actuator is engineered for industrial and commercial burner applications that require a high degree of modulating accuracy and repeatability. It features a robust design suitable for various mounting positions and is often used in conjunction with burner controls to manage combustion processes effectively.

Features

• Internal and external position indication for real-time monitoring
• Disengageable drive shaft and camshaft for simplified setup and maintenance
• Equipped with two limit switches and up to four adjustable auxiliary switches
• Reversible rotational direction (clockwise or counterclockwise)
• Auto/manual selector switch and manual forward/reverse toggle switch
• Durable construction designed for long service life in demanding environments
• Accommodates various exchangeable circuit boards for specialized control functions

Specifications

• Model: SQM53.464A1G4
• Torque: 200 in-lbs (approx. 22.5 Nm)
• Running Time: 25 seconds for 90 degrees (at 60 Hz)
• Operating Voltage: 110-120 VAC, 50/60 Hz
• Number of Switches: 6 (2 limit, 4 auxiliary)
• Shaft Type: AGA58.4 (3/8 inch square, two-ended)
• Internal Circuit Board: AGA56.1A97 (Position proportional or floating control)
• Potentiometer: Required for feedback, typically ASZ12.833 (1000 Ohm, 135 degrees)
• Rotation: Counterclockwise (standard)

Applications

• Positioning of air and gas dampers in burner systems
• Control of fuel-to-air ratios in industrial combustion processes
• Operation of flow control and butterfly valves in HVAC and boiler systems
• Modulating control for high-inertia dampers requiring significant torque
• Integration with Siemens burner control units like the LMV5 series