![Belimo LF24-VST : VAV Universal Rotary Actuator, Fail-Safe for VRU Units, 35 in-lb [4 Nm] Torque, 24 VAC/DC, Modulating 2-10VDC Control Signal, BACnet MS/TP/Modbus RTU/MP-Bus via VRU Module, 5-Year Warranty](https://cdn11.bigcommerce.com/s-ksbdsp5vfo/images/stencil/1280x1280/products/13966/39385/AirFLow-21-LF24-VST__89054.1698171748.png?c=1 "Belimo LF24-VST : VAV Universal Rotary Actuator, Fail-Safe for VRU Units, 35 in-lb [4 Nm] Torque, 24 VAC/DC, Modulating 2-10VDC Control Signal, BACnet MS/TP/Modbus RTU/MP-Bus via VRU Module, 5-Year Warranty")
![Dimensions for Belimo LF24-VST : VAV Universal Rotary Actuator, Fail-Safe for VRU Units, 35 in-lb [4 Nm] Torque, 24 VAC/DC, Modulating 2-10VDC Control Signal, BACnet MS/TP/Modbus RTU/MP-Bus via VRU Module, 5-Year Warranty](https://cdn11.bigcommerce.com/s-ksbdsp5vfo/images/stencil/1280x1280/products/13966/39384/AirFLow-22-LF24-VST_Dimensions__11659.1698171748.png?c=1 "Dimensions for Belimo LF24-VST : VAV Universal Rotary Actuator, Fail-Safe for VRU Units, 35 in-lb [4 Nm] Torque, 24 VAC/DC, Modulating 2-10VDC Control Signal, BACnet MS/TP/Modbus RTU/MP-Bus via VRU Module, 5-Year Warranty")
![Belimo LF24-VST : VAV Universal Rotary Actuator, Fail-Safe for VRU Units, 35 in-lb [4 Nm] Torque, 24 VAC/DC, Modulating 2-10VDC Control Signal, BACnet MS/TP/Modbus RTU/MP-Bus via VRU Module, 5-Year Warranty](https://cdn11.bigcommerce.com/s-ksbdsp5vfo/images/stencil/500x659/products/13966/39385/AirFLow-21-LF24-VST__89054.1698171748.png?c=1 "Belimo LF24-VST : VAV Universal Rotary Actuator, Fail-Safe for VRU Units, 35 in-lb [4 Nm] Torque, 24 VAC/DC, Modulating 2-10VDC Control Signal, BACnet MS/TP/Modbus RTU/MP-Bus via VRU Module, 5-Year Warranty")
Belimo LF24-VST : VAV Universal Rotary Actuator, Fail-Safe for VRU Units, 35 in-lb [4 Nm] Torque, 24 VAC/DC, Modulating 2-10VDC Control Signal, BACnet MS/TP/Modbus RTU/MP-Bus via VRU Module, 5-Year Warranty
Specifications
| Voltage AC/DC | AC/DC 24 V |
| Power Consumption (Running) | 2.5 W |
| Power Consumption (Holding) | 1 W |
| Power Consumption For Wire Sizing | 5 VA |
| Connection Supply Control | Cable [0.5 m] with VST connector |
| Torque | 35 in-lb [4 Nm] Torque |
| Control Type | Modulating |
| Manual Override | No |
| Running Time (Motor) | 120 s / 90° |
| Running Time (Fail-safe) | <20 s |
| Mechanical Interface | Universal shaft clamp 8...16 mm |
| Protection category | IP54 |
| Ambient Temperature | -22...122°F [-30...50°C] |
Datasheets
 | Technical data sheet – LF24-VST |
| Airflow Measurement & Control Brochure |
| Application brochure - VAV-Universal |
