Belimo LF120-S US : Fail-Safe Damper Actuator, 35 in-lb Torque, 120VAC, On/Off Control Signal, (1) SPDT 3A @250V Aux Switch, 5-Year Warranty
The Belimo LF120-S US damper actuator delivers spring-return operation for fail-safe HVAC applications. Its 35 in-lb torque tackles tough dampers, while the 120VAC control signal simplifies integration. An on/off control scheme and SPDT auxiliary switch (3A @ 250V) offer flexibility for various system configurations. Backed by a 5-year warranty, the LF120-S US provides peace of mind for years to come.
Specifications
| Voltage AC/DC | AC 100...240 V |
| Power Consumption (Running) | 5.5 W |
| Power Consumption (Holding) | 3.5 W |
| Power Consumption For Wire Sizing | 7.5 VA |
| Auxiliary Switches | 1 x SPDT |
| 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 LF120-S Technical Data sheet |
| Belimo LF Series Installation Instructions |
| Belimo Mounting Methods Guide |
| Belimo Master Format |
- Actuator Type:
- Fail-Safe
- Torque:
- 35 in-lb
- Voltage:
- 120VAC
- Control Signal:
- On/Off
- Auxillary Switch:
- Yes
- NEMA 4X Enclosure:
- No
