Belimo LF24 US : Fail-Safe Damper Actuator, 35 in-lb Torque, 24VAC/DC, On/Off Control Signal, 5-Year Warranty
The Belimo LF24 US is a fail-safe -or- spring return damper actuator designed for reliable and efficient control of dampers in HVAC systems. With a torque of 35 in-lb and a voltage rating of 24VAC/DC, the LF24 US actuator operates on an on/off control signal. The actuator features a reversible fail-safe mechanism with cw/ccw mounting, providing flexibility in its direction of rotation. Its motor has a selectable direction of motion with a switch (0/1), and the actuator has an angle of rotation of 95 degrees. With a running time of 75 seconds and a power consumption of 5W during operation and 2.5W in holding mode, the LF24 US offers energy-efficient performance. Belimo backs this damper actuator with a 5-year warranty, ensuring durability and peace of mind for users.
Specifications
| Voltage AC/DC | AC/DC 24 V |
| Power Consumption (Running) | 5 W |
| Power Consumption (Holding) | 2.5 W |
| Power Consumption For Wire Sizing | 7 VA |
| Torque | 35 in-lb [4 Nm] |
| Control Type | On/Off |
| Direction Of Motion Motor | selectable with switch 0/1 |
| Direction of Rotation (Fail-Safe) | Reversible with cw/ccw mounting |
| Angle of Rotation | 95 |
| Running Time (Motor) | 75 s |
| Running Time (Fail-safe) | <25 s |
| Protection category | IP42 |
| Degree Of Protection NEMA | NEMA 2 |
| Enclosure Type | UL Enclosure Type 2 |
| Ambient Temperature | -22...122°F [-30...50°C] |
Datasheets
 | Belimo LF24 Technical Data sheet |
| Belimo LF Series Installation Instructions |
| Belimo Mounting Methods Guide |
| Belimo Master Format |
- Actuator Type:
- Fail-Safe
- Torque:
- 35 in-lb
- Voltage:
- 24VAC/DC
- Control Signal:
- On/Off
- Auxillary Switch:
- None
- NEMA 4X Enclosure:
- No
