PRODUCT DESCRIPTION
SIEMENS SQN71.664A20 - Rotary Damper Actuator
This device is a rotary damper actuator from the SIEMENS SQN7 series, engineered for precise control of gas and air dampers in combustion plants and industrial burner applications. It provides 3-position control for modulating or on/off operation, integrating directly into burner management systems for fuel-air ratio regulation and safety interlocks. The unit is designed for robust operation in demanding thermal process environments.
Technical Specifications:
- SERIES/FAMILY: SQN71
- COMPONENT TYPE: Rotary Damper Actuator
- ELECTRICAL SPECS:
- NOMINAL VOLTAGE: 230 VAC
- FREQUENCY: 50/60 Hz
- POWER CONSUMPTION: 8 VA (running), 3.5 VA (holding)
- MECHANICAL/PHYSICAL:
- NOMINAL TORQUE: 2.5 Nm
- RUNNING TIME FOR 90 DEG: 30 seconds
- ROTATION ANGLE: 90 degrees
- SHAFT COUPLING: Square shaft, 8x8 mm
- INTERFACE/CONTROL:
- CONTROL TYPE: 3-position control
- AUXILIARY SWITCHES: 2 (adjustable)
- FEEDBACK: Position indication via auxiliary switches
- ENVIRONMENTAL/MOUNTING:
- IP RATING: IP40
- AMBIENT TEMPERATURE: -15 to +60 degrees Celsius
- MOUNTING STYLE: Direct shaft mounting or with mounting bracket
- COMPATIBILITY/APPLICATION:
- TARGET SYSTEMS: Industrial burners, combustion plants, HVAC systems requiring precise air/gas damper control
- SPECIFIC MACHINE TYPES: Gas furnaces, boilers, industrial ovens