Belimo LF24-US Spring Return Damper Actuator 24V AC/DC 35 Inch-lb
Belimo · Motors & Motion
Description The Belimo LF24-US Damper Actuator is a spring return HVAC actuator engineered for reliable on/off damper control in commercial ventilation and building automation systems. Operating on 24V AC/DC power, the actuator delivers 35 inch-lb torque with reversible CW/CCW rotation and a 95-degree stroke range for flexible installation. Technical Specifications Condition New/Never Used Surplus Brand Belimo Category HVAC Controls Part Number LF24-US Subcategory Damper Actuators Product Type Damper Actuator Torque Output 35 Inch-lb (4 Nm) Input Voltage 24V AC/DC Signal Type On/Off Fail Safe Type Spring Return Rotation Reversible CW/CCW Stroke Degree 95 Degrees Running Time Less Than 75 Seconds Fail Safe Running Time Less Than 25 Seconds Power Consumption Running 5 W Power Consumption Holding 2.5 W Power Rating 7 VA Electrical Connection Hardwired Cable Shaft Diameter Compatibility 3/8 in to 1/2 in Round Housing Material Galvanized Steel NEMA Rating NEMA 2 IP Rating IP54 Communication Protocols BACnet IP, Modbus, MP-Bus Minimum Operating Temperature -22°F Maximum Operating Temperature 122°F Plenum Rating Plenum Rated Application HVAC Dampers Weight 3.2 lb Information About LF24-US The LF24-US is a low-voltage damper actuator manufactured by Belimo for HVAC airflow control and building automation applications. Designed with a spring return fail-safe system, the actuator automatically returns dampers to their default position in less than 25 seconds during power interruptions. The unit supports BACnet IP, Modbus, and MP-Bus compatibility, allowing integration into advanced building management systems and automation networks. Built with a galvanized steel housing and IP54/NEMA 2 protection ratings, the actuator is suitable for commercial plenum-rated installations and operates within temperatures ranging from -22°F to 122°F. Key Features: Spring Return Fail-Safe: Automatically returns dampers to the safe position during power loss. 35 Inch-Lb Torque Output: Provides reliable damper operation for HVAC airflow systems. 24V AC/DC Operation: Compatible with low-voltage building automation and control circuits. Reversible CW/CCW Rotation: Supports flexible actuator mounting orientations. 95-Degree Stroke Range: Enables precise damper positioning and airflow modulation. BACnet and Modbus Compatible: Integrates with modern building automation systems. IP54 and NEMA 2 Rated: Protects internal components in commercial HVAC environments. Plenum Rated Construction: Suitable for installation in plenum air handling spaces. The LF24-US delivers the reliability and precision required for commercial HVAC damper control and building automation applications.
Brand: Belimo · Category: Motors & Motion
Key features
- Spring Return Fail-Safe: Automatically returns dampers to the safe position during power loss.
- 35 Inch-Lb Torque Output: Provides reliable damper operation for HVAC airflow systems.
- 24V AC/DC Operation: Compatible with low-voltage building automation and control circuits.
- Reversible CW/CCW Rotation: Supports flexible actuator mounting orientations.
- 95-Degree Stroke Range: Enables precise damper positioning and airflow modulation.
- BACnet and Modbus Compatible: Integrates with modern building automation systems.
- IP54 and NEMA 2 Rated: Protects internal components in commercial HVAC environments.
- Plenum Rated Construction: Suitable for installation in plenum air handling spaces.
Specifications
| Manufacturer part number | LF24-US |
|---|---|
| Condition | New/Never Used Surplus |
| Brand | Belimo |
| Category | HVAC Controls |
| Part Number | LF24-US |
| Subcategory | Damper Actuators |
| Product Type | Damper Actuator |
| Torque Output | 35 Inch-lb (4 Nm) |
| Input Voltage | 24V AC/DC |
| Signal Type | On/Off |
| Fail Safe Type | Spring Return |
| Rotation | Reversible CW/CCW |
| Stroke Degree | 95 Degrees |
| Running Time | Less Than 75 Seconds |
| Fail Safe Running Time | Less Than 25 Seconds |
| Power Consumption Running | 5 W |
| Power Consumption Holding | 2.5 W |
| Power Rating | 7 VA |
| Electrical Connection | Hardwired Cable |
| Shaft Diameter Compatibility | 3/8 in to 1/2 in Round |
| Housing Material | Galvanized Steel |
| NEMA Rating | NEMA 2 |
| IP Rating | IP54 |
| Communication Protocols | BACnet IP, Modbus, MP-Bus |
| Minimum Operating Temperature | -22°F |
| Maximum Operating Temperature | 122°F |
| Plenum Rating | Plenum Rated |
| Application | HVAC Dampers |
| Weight | 3.2 lb |
| Product type | Damper Actuators |
Contact Safety Shops for pricing, delivery and project support in the UAE.