PRODUCT DESCRIPTION
SIEMENS QXA2101 | S55770-T376 - Rotary Air Damper Actuator
This device is a spring-return rotary actuator engineered for two-position control of air dampers within heating, ventilation, and air conditioning (HVAC) systems. It delivers a nominal torque output of 2 Nm, facilitating precise regulation of airflow. The unit integrates directly into building management systems requiring reliable damper positioning and fail-safe operation upon power loss.
Technical Specifications:
- SERIES/FAMILY: QXA Series
- COMPONENT TYPE: Rotary Air Damper Actuator
- ELECTRICAL SPECS:
- NOMINAL VOLTAGE: 24 VAC/DC
- POWER CONSUMPTION: 3 VA (running), 1.5 W (holding)
- FREQUENCY: 50/60 Hz (AC supply only)
- MECHANICAL/PHYSICAL:
- NOMINAL TORQUE: 2 Nm
- ROTATION ANGLE: 90 degrees
- RUNNING TIME (MOTOR): 75 seconds
- RUNNING TIME (SPRING RETURN): 20 seconds
- SHAFT ADAPTER: Direct shaft mounting, suitable for 6-12 mm round or 5-10 mm square shafts
- INTERFACE/CONTROL:
- CONTROL TYPE: 2-position (On/Off)
- AUXILIARY SWITCHES: 1 (SPDT, 5A resistive at 250VAC)
- ENVIRONMENTAL/MOUNTING:
- IP RATING: IP54
- AMBIENT OPERATING TEMPERATURE: -32 to +55 degrees Celsius
- MOUNTING STYLE: Direct shaft mounting with anti-rotation bracket
- COMPATIBILITY/APPLICATION:
- TARGET SYSTEMS: HVAC systems, ventilation units, air handling units
- APPLICATION: Air damper control, zone control, fail-safe damper positioning