Siemens OpenAir Actuator GCA151.1USiemens OpenAir Actuator GCA151.1U

The Siemens OpenAir GCA151.1U Actuator is a high-torque, spring return actuator designed for modulating, two-position, and three-position control of HVAC dampers in commercial and industrial buildings. Engineered for reliable and precise damper control, this actuator ensures optimal airflow regulation, energy efficiency, and fail-safe operation in HVAC applications.


Technical Specifications:

  • Torque: 142 in-lb (16 Nm) for effective damper control
  • Control Type: Modulating (0-10V), Two-Position, Three-Position
  • Spring Return Function: Bi-directional fail-safe spring return for system protection
  • Power Supply: 24V AC/DC
  • Motor Type: Brushless DC motor with stall protection for extended service life
  • Position Feedback: 0-10V built-in feedback signal for precise control
  • Housing Material: All-metal construction for durability
  • Manual Override: Allows for manual positioning during maintenance
  • Shaft Coupling: Self-centering design for easy and secure installation
  • Position Indicator: Easily visible for quick operational verification
  • Pre-Cabled: Simplifies installation with factory-wired connection
  • Mechanical Range Adjustment: Adjustable coupling for setting custom mechanical limits

Applications:

  • HVAC Systems: Controls dampers for optimized air distribution in ventilation systems
  • Building Automation: Integrates with BAS for energy-efficient climate control
  • VAV & Air Handling Units: Ensures precise airflow modulation in variable air volume systems
  • Fail-Safe Control: Spring return ensures dampers return to default position during power failure
  • Industrial Ventilation: Regulates air intake and exhaust dampers for safe indoor air quality

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