Belimo TFX24-SR-S : Fail-Safe Damper Actuator, 22 in-lb Torque, 24VAC/DC, Modulating 2-10VDC Control Signal, (1) SPDT 3A @250V Aux Switch, 5-Year Warranty (Configurable)
The Belimo TFX24-SR-S is a spring-return damper actuator delivering 22 in-lb (2.5 Nm) of torque, it effectively controls dampers designed for dampers approximately 5.5 sq.ft. Its AC/DC 24V operation offers flexibility, while the modulating 2-10VDC control ensures precise damper positioning. An SPDT auxiliary switch (3A @ 250V) provides additional control options.
Key Features:
- Powerful 22 in-lb (2.5 Nm) torque for effective damper control
- Versatile AC/DC 24V operation for various systems
- Precise positioning with modulating 2-10VDC control
- Enhanced control with 1 x SPDT auxiliary switch (3A @ 250V)
- Spring-return fail-safe for safety and reliability
- Durable IP42 protection for harsh environments
- Long-lasting performance with a 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 | 4 VA |
| Auxiliary Switches | 1 x SPDT |
| Torque | 22 in-lb [2.5 Nm] |
| Control Type | DC 2...10 V |
| 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) | 95 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 TFX24-SR-S Technical Data sheet |
| Belimo TFB Series Installation Instructions |
| Belimo Mounting Methods Guide |
| Belimo Master Format |
- Actuator Type:
- Fail-Safe
- Torque:
- 22 in-lb
- Voltage:
- 24VAC/DC
- Control Signal:
- 2-10VDC
- Auxillary Switch:
- Yes
- NEMA 4X Enclosure:
- No
