SQM50.460R1G3 Siemens Damper Motor

Overview

The Siemens SQM50.460R1G3 is a high-precision reversing actuator designed for the accurate positioning of dampers and flow control valves in industrial and commercial burner applications. Part of the SQM5 series, this motorized actuator is engineered for reliability and repeatability, providing essential airflow management to optimize combustion efficiency. It features a robust die-cast aluminum housing and a synchronous motor, making it suitable for high-demand environments such as large boilers and furnaces.

Features

• Reversing actuator functionality for precise opening and closing of valves and dampers
• Integrated internal adjustable switches for flexible control configurations
• Internal circuit board supports 4 to 20 mA input signals for modulating control
• Disengagement clutches for the drive shaft and cam drum to facilitate manual adjustments
• Durable construction with impact-proof and heat-resistant plastic covers
• Field-reversible rotation (clockwise or counter-clockwise) to suit specific installation needs
• Maintenance-free bearings ensure a long service life with minimal upkeep

Specifications

• Model: SQM50.460R1G3
• Operating Voltage: 110-120V AC (50/60 Hz)
• Torque Output: 140 in-lbs
• Running Time: 25 seconds for 90-degree rotation at 60 Hz (30 seconds at 50 Hz)
• Control Input: 4-20 mA
• Number of Switches: 6 (2 limit and 4 auxiliary)
• Shaft Type: No shaft included (requires AGA58 series shaft)
• Potentiometer: ASZ12.30 (1000 Ohm, 90-degree)
• Weight: Approximately 8.1 lbs
• Approvals: UL recognized, CSA certified, and CE compliant

Applications

• Positioning of air and gas dampers in medium to large capacity oil and gas burners
• Control of flow control valves and butterfly valves requiring rotary motion
• Load-dependent control of combustion air, gas flow, and oil volume
• Integration into building automation systems for HVAC and industrial plant infrastructure
• Suitable for any application requiring high modulating accuracy and repeatability