Siemens SQM45.291B9 Actuator, 3Nm, 90°/10s, CAN Bus, 10mm Shaft

Siemens SQM45.291B9 Actuator

The Siemens SQM45.291B9 is a compact and fast-acting rotary actuator designed for precise air damper control in smaller to medium-sized burner applications. Featuring a robust spur gear drive, this actuator delivers quick response times essential for optimized combustion processes. Its CAN bus interface ensures seamless digital communication and control within modern burner management systems.

Manufacturer Information:

• Manufacturer: Siemens Smart Infrastructure
• Part Number: SQM45.291B9
• Product Type: Rotary Actuator for Burner Controls
• Rated Torque: 3 Nm
• Holding Torque: 1.5 Nm
• Running Time for 90°: 10 seconds
• Angle of Rotation: 90°
• Shaft Diameter: 10 mm (with Woodruff key)
• Operating Voltage: Power supply via CAN bus
• Communication Interface: CAN bus
• Ambient Operating Temperature: -20…60 °C
• Protection Category: IP54
• Weight: Approximately 0.4 kg
• Mounting: Various mounting orientations possible
• Operation: Suitable for modulating or 2-position control
• Features: Integrated spur gear drive for robust performance.