SQM50.361R1 Siemens Damper Motor

Overview

The Siemens SQM50.361R1 is a high-precision reversing actuator designed for the accurate positioning of air dampers, gas dampers, flow control valves, and butterfly valves in industrial and commercial burner applications. This robust motor is engineered for durability and reliability, offering consistent performance in systems requiring rotary motion. It is particularly well-suited for applications that demand high modulating accuracy and repeatability to ensure optimal combustion efficiency.

Features

• Reversing motor allows for flexible field operation in either clockwise or counter-clockwise directions
• Six easily accessible internal auxiliary switches for customized control and feedback
• Auto/manual toggle switch facilitates easy adjustments and manual overrides during commissioning
• Externally visible shaft position indicator provides immediate visual status of the damper position
• Low hysteresis design with double-offset drive and potentiometer gearing for superior precision
• Modular design supports a variety of field-exchangeable circuit boards and shafts for installation flexibility

Specifications

• Model Number: SQM50.361R1
• Torque: 140 in-lbs (16 Nm)
• Running Time: 12 seconds for 90 degree travel
• Voltage: 110V – 120V AC (50/60 Hz)
• Rotation Direction: Counter-clockwise (CCW)
• Shaft Type: 10 mm round, single-ended
• Control Board: None included (base actuator)
• Protection Rating: IP54 (NEMA 1, 2, 3, 3R, 3S, 5, 12, 13)
• Operating Temperature: -5 F to 140 F (-20 C to 60 C)

Applications

• Precise positioning of air and gas dampers in burner control systems
• Control of flow control valves and butterfly valves for fuel/air ratio management
• Industrial burner applications requiring high-accuracy modulation
• HVAC systems for comfort ventilation and air volume control
• Replacement for competitive actuators in existing boiler and furnace setups