SQM50.361R1G3 Siemens Damper Motor

Overview

The Siemens SQM50.361R1G3 is a high-precision reversing actuator designed for the positioning of air and gas dampers, flow control valves, and butterfly valves. As part of the SQM5 series, this electromotive damper motor is engineered for industrial and commercial burner applications that require a high degree of modulating accuracy and repeatability. It features a robust die-cast aluminum housing and is equipped with a synchronous motor that ensures reliable, consistent performance in demanding HVAC and combustion environments.

Features

• Internal switches include two limit switches and up to four adjustable auxiliary switches for versatile control
• Integrated auto/manual toggle switch and manual forward/reverse control allow for easy on-site adjustments and commissioning
• Externally visible position indicator provides clear confirmation of the shaft angle
• Self-centering shaft adapter and flexible mounting options simplify installation and replacement of competitive actuators
• Low-hysteresis gear train with double-offset drive ensures high rotational resolution and modulating precision
• Exchangeable electronic circuit boards allow for various control signals and functions like split-range or master/slave operation

Specifications

• Model: SQM50.361R1G3
• Operating Voltage: 110 V AC (50/60 Hz)
• Torque: 140 in-lbs (16 Nm)
• Running Time: 12 seconds for 90 degree travel
• Control Signal: 4-20 mA input
• Rotation Direction: Counterclockwise (CCW)
• Drive Shaft: 10 mm diameter
• Protection Rating: IP54 (NEMA 12 compatible)
• Operating Temperature: -20 C to +60 C

Applications

• Load-dependent control of combustion air volume in gas and oil burners
• Precise positioning of air dampers in medium to large capacity heating systems
• Regulation of gas and oil flow via control valves in industrial furnace applications
• Automation of butterfly valves and rotary motion components in HVAC air handling units