LF24-3 US
Details
Details
LF24-3 US 35 lb-in Spring Return Damper Actuator, 24 VAC/DC, Floating
On/off or floating control. Springs back to its fail-safe position on power loss.
Key Features
- Fail direction: set by mounting
Product Specifications
| Manufacturer | Belimo |
|---|---|
| Model | LF243US (LF24-3 US) |
| Nominal voltage | AC/DC 24 V |
| Nominal voltage frequency | 50/60 Hz |
| Nominal voltage range | AC 19.2 to 28.8 V / DC 21.6 to 28.8 V |
| Power consumption in operation | 2.5 W |
| Power consumption in rest position | 1W |
| Transformer sizing | 5 VA |
| Overload Protection | electronic throughout 0 to 95 deg rotation |
| Electrical Protection | actuators are double insulated |
| Torque | 35 lb-in (4 Nm) |
| Direction of motion motor | selectable with switch 0/1 |
| Direction of motion fail-safe | reversible with cw/ccw mounting |
| Angle of rotation | Max. 95 deg |
| Running time (motor) | 150 s / 90 deg |
| Running time motor note | constant, independent of load |
| Running time fail-safe | <25 s @ -20 to 50 deg C, <60 s @ -30 deg C |
| Sound power level motor | 30 dB(A) |
| Sound power level, fail-safe | 62 dB(A) |
| Position indication | Mechanical |
| Power source UL | Class 2 Supply |
| Degree of protection NEMA/UL | NEMA 2 |
| Housing | UL Enclosure Type 2 |
| Agency Listing | cULus acc. To UL 873 and CAN/CSA C22.2 No. 24-93 |
| Quality Standard | ISO 9001 |
| UL 2043 Compliant | Suitable for use in air plenums per Section 300.22(C) of the NEC and Section 602 of the IMC |
| Ambient humidity | Max. 95% RH, non-condensing |
| Ambient temperature | -22 to 122 deg F (-30 to 50 deg C) |
| Storage temperature | -40 to 176 deg F (-40 to 80 deg C) |
| Servicing | maintenance-free |
| Weight | 3.2 lb (1.5 kg) |
| Housing material | galvanized steel |
| Footnotes | †Rated Impulse Voltage 800V, Type of action 1.AA, Control Pollution Degree 3 |