SQM53.480R1G3 Siemens Damper Motor

Overview

The Siemens SQM53.480R1G3 is a high-precision reversing actuator designed for the accurate positioning of dampers, flow control valves, butterfly valves, and other HVAC components requiring rotary motion. Part of the SQM5 series, this electromotive damper motor is engineered for both industrial and commercial applications where modulating accuracy and repeatability are critical. It features a robust design capable of delivering high torque and is equipped with electronic modules that support various control signals, ensuring seamless integration into complex burner management and building automation systems.

Features

• High Torque Output: Delivers up to 200 in-lbs of torque to handle large dampers and valves
• Precision Modulation: Specifically designed for applications requiring exceptional accuracy and repeatability
• Flexible Control: Equipped with an internal circuit board that accepts a standard 4-20 mA input signal
• Adjustable Switches: Includes eight internal, easily accessible SPDT switches (2 limit and 6 auxiliary) for customized positioning and feedback
• Reversing Action: Provides reliable rotary motion with a counterclockwise rotation (when facing the gear end)
• Durable Construction: Features a robust housing designed for long lifecycles in demanding environments
• Safety Certifications: UL recognized, CSA certified, and CE approved for international compliance

Specifications

• Model: SQM53.480R1G3
• Operating Voltage: 110-120 VAC (50/60 Hz)
• Torque: 200 in-lbs (approx. 22.5 Nm)
• Running Time: 25 seconds for 90-degree rotation at 60 Hz (30 seconds at 50 Hz)
• Control Signal: 4-20 mA modulating input
• Auxiliary Switches: 8 total (2 limit, 6 auxiliary)
• Shaft Design: Standard version, no drive shaft included (must be ordered separately)
• Operating Temperature: -4 F to 140 F (-20 C to 60 C)
• Protection Rating: Designed to meet NEMA 4 requirements when used with appropriate kits

Applications

• Positioning of air and gas dampers in industrial and commercial burner systems
• Precise control of flow control valves and butterfly valves for fuel/air ratio control
• Use in boiler systems and process heating applications requiring accurate modulation
• Integration with Siemens burner controls such as the LMV5 or other building automation systems
• Suitable for any HVAC application requiring high-torque rotary motion and precise positioning feedback