SQM53.480R1Z3 Siemens Damper Motor

Overview

The Siemens SQM53.480R1Z3 is a high-precision electromotive reversing actuator designed for the accurate positioning of air and gas dampers, flow control valves, and butterfly valves in industrial burner applications. This robust actuator is engineered for systems requiring a high degree of modulating accuracy and repeatability. It features a modular design that supports various electronic circuit boards, allowing for seamless integration with advanced burner control systems like the Siemens LMV5.

Features

• Reversing electromotive actuator with a clockwise or counterclockwise rotation option
• Integrated electronic modules support multiple control signals including 4-20 mA, 0-10 VDC, and 0-135 Ohm
• Equipped with 8 internal switches consisting of 2 limit switches and 6 adjustable auxiliary switches
• Modular design allows for field-exchangeable circuit boards and potentiometers
• Durable construction with maintenance-free gearwheels and bearings for long-term reliability
• Externally visible position indication for easy monitoring and adjustment
• Flexibility to be mounted in any position to suit diverse burner configurations

Specifications

• Model: SQM53.480R1Z3
• Operating Voltage: AC 110 V (50/60 Hz)
• Rated Torque: 200 in-lb (25 Nm)
• Running Time: 25 seconds for 90 degree rotation at 60 Hz (30 seconds at 50 Hz)
• Rotation Direction: Counterclockwise (facing the drive shaft)
• Shaft Type: No shaft included (designed for separate shaft selection)
• Number of Switches: 8 (2 limit, 6 auxiliary)
• Approvals: UL recognized, CSA certified, and CE approved
• Protection Rating: IP54 (with appropriate cable glands)

Applications

• Positioning of air and gas dampers in industrial and commercial burner systems
• Control of flow valves and butterfly valves for precise fuel-to-air ratio modulation
• Integration with Siemens LMV5 burner management systems for advanced combustion control
• Suitable for use in HVAC systems, steam boilers, and thermal processing equipment
• Ideal for high-demand environments requiring consistent performance and electronic self-supervision