SQM11.16502 Siemens Actuator

Overview

The Siemens SQM11.16502 is a reversible electromotoric actuator designed for the precise control of air dampers and control valves in oil and gas burner systems. This high-performance servomotor is part of the SQM1 series, engineered to work in conjunction with burner controls to manage the fuel-to-air ratio, ensuring efficient combustion. Its robust design features a die-cast aluminum gear train housing and an impact-resistant plastic cover, making it suitable for demanding industrial and commercial HVAC environments.

Features

• Reversible synchronous motor that is locking-proof to prevent damage during operation
• Internal adjustable cams allow for easy setting of end and auxiliary switch positions
• Integrated cam stack enables the inclusion of up to five auxiliary switches for flexible system configuration
• Maintenance-free gear train utilizing self-lubricating sinter-bronze bearings
• Clockwise direction of rotation when facing the drive shaft with control voltage applied
• Durable IP54-rated housing providing protection against dust and water splashes

Specifications

• Model: SQM11.16502
• Operating Voltage: AC 220 to 240 V (50/60 Hz)
• Nominal Torque: 10 Nm
• Starting Torque: 15 Nm
• Holding Torque: 7 Nm
• Running Time: 29 seconds for 90 degrees; 42 seconds for 130 degrees
• Maximum Positioning Angle: 160 degrees
• Drive Shaft Diameter: 10 mm
• Power Consumption: 9 VA
• Operating Temperature: -20 C to +60 C
• Weight: Approximately 1.7 kg

Applications

• Precise positioning of air dampers in industrial and commercial burner systems
• Regulation of control valves for fuel-to-air ratio management in oil and gas burners
• Integration with Siemens burner controls or other switching devices with changeover contacts
• Suitable for various industrial automation processes requiring reliable rotary actuation