SQM11.15502 Siemens Actuator

Overview

The Siemens SQM11.15502 is a reversible electromotoric actuator specifically designed for the precise control of air dampers and control valves in gas or oil burners. This CE-approved actuator belongs to the SQM1 series and is engineered for integration into burner systems via controllers or switching devices with changeover contacts. It features a robust design with a die-cast aluminum housing and an impact-proof plastic cover, ensuring reliable performance in industrial burner applications.

Features

• Reversible synchronous motor that is locking-proof
• Clockwise direction of rotation when facing the drive shaft
• Integrated cam stack with adjustable cams for setting switching points
• Equipped with two end switches and five auxiliary switches
• Maintenance-free reduction gearing with self-lubricating sinter-bronze bearings
• Disengageable gear train via a lever to allow for manual drive shaft adjustment
• Internal setting scales for accurate angular positioning of switching points

Specifications

• Model: SQM11.15502
• Operating Voltage: AC 220 to 240 V, 50/60 Hz
• Power Consumption: 9 VA
• Rated Torque: 10 Nm
• Starting Torque: 10 Nm
• Holding Torque: 4 Nm
• Running Time (90 degrees): 14 seconds at 50 Hz
• Running Time (130 degrees): 20 seconds at 50 Hz
• Positioning Angle: Up to 160 degrees
• Shaft Diameter: 10 mm
• Protection Rating: IP54
• Operating Temperature: -20 C to +60 C

Applications

• Control of air dampers in industrial and commercial burner systems
• Regulation of control valves for oil and gas burners
• Use in HVAC systems requiring precise airflow or fuel regulation
• Integration into burner control sequences via LMV or similar control series
• Suitable for systems requiring clockwise rotation and high-precision positioning