Belimo FSNF24-S US
SKU: CS315621MPN: FSNF24-S US
Fire \& Smoke Actuator, 70 in-lb [8 Nm] from 32...350°F [0...177°C], Spring return, AC/DC 24 V, On/Off, 2 x SPDT

Product Details
Fire \& Smoke Actuator, 70 in-lb [8 Nm] from 32...350°F [0...177°C], Spring return, AC/DC 24 V, On/Off, 2 x SPDT
Attributes
| Control | On/Off |
| Auxillary Switch | 2 x SPDT |
| Fail-Safe | Spring Return |
| Torque | 70 in-lb |
| Nominal Voltage | AC/DC 24 V |
| Transformer Sizing | 40 VA (class 2 power source) |
| Enclosure | UL Enclosure Type 1 |
| Power Supply | 24 VAC, ±20%, 50/60 Hz, 24 VDC, 0% / +50% |
| Electrical Connection | 18 GA, 3 ft [1 m], 2 color coded wires |
| Overload Protection | electronic throughout 0…95° rotation |
| Angle Of Rotation | 95° |
| Direction Of Motion Motor | selectable by ccw/cw mounting |
| Position Indication | Mechanical |
| Running Time (Motor) | 15 s between 32…350°F [0…177°C], <15 s at rated voltage & torque |
| Running Time Fail-Safe | 15 s |
| Ambient Humidity | max. 95% r.H., non-condensing |
| Ambient Temperature | 32…122°F [0…50°C] |
| Storage Temperature | -40…176°F [-40…80°C] |
| Degree Of Protection Iec/En | IP40 |
| Degree Of Protection Nema/Ul | NEMA 1 |
| Connection | cable |
| Servicing | maintenance-free |
| Housing Material | galvanized steel |
| Nominal Voltage Dc | 24 V |
| Nominal Voltage Ac | 24 V |
| Noise Level, Motor | 45 dB(A) |
| Torque Motor | 70 in-lb [8 Nm] from 32…350°F [0…177°C] |
| Electrical Protection | actuators are double insulated |
| Quality Standard | ISO 9001 |
| Noise Level, Fail-Safe | 62 dB(A) |
| Agency Listing | cULus listed to UL873 and CAN/CSA C22.2 No.24, UL 2043 Listed for air plenum installation per NEC 300.22 and IMC Section 602 NYC Department of Buildings MEA 197-07-M.California State Fire Marshal Listing 3210-1593:101. |
| Shaft Diameter | ½…1.05” round, centers on ½” and ¾” with insert, 1.05” without insert |
| Auxiliary Switch | 2 x SPDT, 7 A resistive (2.5 A inductive) @ AC 250 V, one set at 10°, one set at 85° |
| Fail-Safe Function | Spring return |
| Control Type Web | On/Off |
| Fail-Safe | YES |
Specifications
| SKU | CS315621 |
|---|---|
| MPN | FSNF24-S US |










