SQM50.364R1G3 Siemens Damper Motor

Overview

The Siemens SQM50.364R1G3 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 robust SQM5 series, this electromotive actuator is engineered for applications that demand a high degree of modulating accuracy and repeatability. It features a reversible motor and can be mounted in any position, providing significant installation flexibility for industrial and commercial burner systems.

Features

• Equipped with two limit switches and four internal auxiliary switches for comprehensive control.
• Internal and external position indication for easy monitoring and adjustment.
• Features a drive shaft and cam drum that can be disengaged separately via clutches for manual operation.
• Includes an auto/manual selector switch and a manual forward/reverse toggle switch for simplified commissioning.
• Built with a durable die-cast aluminum housing and impact-proof, heat-resistant plastic covers.
• Maintenance-free gearwheels and bearings ensure a long service life of approximately 250,000 startup cycles.

Specifications

• Model: SQM50.364R1G3
• Operating Voltage: 110-120 VAC (50/60 Hz)
• Torque: 140 lb-in (16 Nm)
• Running Time: 12 seconds for 90 degrees at 60 Hz (15 seconds at 50 Hz)
• Control Signal: 4 to 20 mA
• Rotational Direction: Counterclockwise (CCW)
• Shaft Type: 3/8 inch square, dual-ended
• Approvals: UL recognized, CSA certified, and CE approved

Applications

• Precise control of air and gas dampers in industrial burner systems.
• Positioning of flow control and butterfly valves.
• Integration into high-demand HVAC and boiler systems for burner modulation.
• Suitable for use by original equipment manufacturers (OEMs) in complex combustion control solutions.