SQM41.264R11SC Siemens Actuator

Overview

The Siemens SQM41.264R11SC is a precision electromotoric actuator designed for the positioning of flow control valves, butterfly valves, dampers, or other applications requiring rotary motion. Engineered for use in industrial and commercial burner systems, this clockwise-rotating actuator provides reliable load-dependent control of gas, oil, and combustion air. It features a robust design with a NEMA 4 weatherproof enclosure, allowing for flexible mounting orientations in demanding thermal process plants.

Features

• High-torque performance with 90 in-lb capacity
• Integrated drive shaft disengagement clutch for quick manual alignment
• NEMA 4 rated weatherproof housing for protection against environmental elements
• Internal position indication with adjustable cams and scales for precise switching point setup
• Maintenance-free synchronous motor resistant to stalling
• UL and CSA certification for compliance with North American safety standards
• Flexible mounting options with various brackets and shaft types available for easy installation or replacement

Specifications

• Model: SQM41.264R11SC
• Direction of Rotation: Clockwise (CW)
• Torque: 90 in-lb
• Running Time: 30 seconds for 90 degrees
• Shaft Type: 3/8 inch Square Shaft
• Operating Voltage: AC 110 V (50/60 Hz)
• Control Signal: Line 3-Position Step / Floating control
• Protection Rating: NEMA 4 / IP66
• Agency Approvals: UL Listed, CSA Certified

Applications

• Load-dependent control of gas and oil flow in industrial burners
• Precise positioning of air dampers for combustion air regulation
• Driving butterfly valves and oil pressure controllers in thermal process plants
• Integration with Siemens burner controls such as the LMV5, LME73, or LME75 series
• Suitable for medium to high-capacity burner systems requiring high turndown and reliable ignition control