Overview
The Belimo AFRB24-IP is a spring return valve actuator engineered for fail-safe control in commercial HVAC systems. It integrates smart cloud connectivity with BACnet IP and Modbus TCP communication protocols.
Features
- Mechanical spring return ensures positive fail-safe positioning on power loss
- Communicative control via BACnet IP, Modbus TCP, and Belimo Cloud
- Hybrid mode support allowing analog control with digital diagnostics
- Built-in local data storage and sensor input integration
- External push button for manual override
Specifications
- Actuator Type: Spring return
- Torque: 180 in-lb [20 Nm]
- Voltage: AC/DC 24 V
- Control Type: Communicative, BACnet IP, Cloud, Modbus TCP, Hybrid
- Angle of Rotation: 95°
- Degree of Protection: IP54, NEMA 2, UL Enclosure Type 2
Applications
- Fail-safe valve control in commercial HVAC hydronic systems
- Climate control and airflow modulation requiring fail-safe spring return



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