SQM40.215R11 Siemens Actuator

Overview

The Siemens SQM40.215R11 is a high-performance electromotoric actuator designed for the precise positioning of air and gas dampers, butterfly valves, and other applications requiring rotary motion. Engineered for use in industrial and commercial burner systems, this actuator provides reliable, load-dependent control of combustion air, gas, and oil flow. Its robust NEMA 4 construction ensures durability in harsh environments, allowing for mounting in any orientation without the need for additional weather shields.

Features

• Flexible control options accepting 4-20 mA, 0-135 ohm, or 2-10 VDC analog input signals
• NEMA 4 weatherproof enclosure suitable for rigorous industrial conditions
• Internal position indication and adjustable auxiliary switches for enhanced system feedback
• Drive shaft disengagement clutch for quick manual alignment during installation or maintenance
• Zero and span adjustment capabilities for precise stroke calibration
• Synchronous motor design providing consistent torque and timing

Specifications

• Model: SQM40.215R11
• Torque: 90 in-lb (10 Nm)
• Running Time: 25 seconds for 90 degrees (at 60 Hz)
• Rotation: Counter-clockwise (CCW)
• Operating Voltage: 110V – 120V AC
• Shaft Type: 10mm D-shaft
• Input Signals: 0-135 Ohm, 4-20 mA, 2-10 VDC
• Protection Rating: NEMA 4 (IP66 equivalent)

Applications

• Load-dependent control of gas, oil, and combustion air in industrial burners
• Positioning of flow control valves and butterfly valves in HVAC systems
• Automation of air dampers in thermal process plants
• High turndown burner applications requiring separate positions for ignition and low fire
• Integration with 3-position or modulating controllers for precise process regulation