Compact and reliable performance for applications requiring pressure and efficiency in air movement.
The SFR AC compact centrifugal fans feature impellers with diameters ranging from 190 to 400 mm and a compact design with direct drive powered by an AC motor. Equipped with radial-type impellers and ball bearings, they deliver suitable performance for a variety of air movement applications.
The line includes models with airflow rates of up to 4,680 m³/h and maximum pressure of up to 79.3 mmWC, depending on the selected model. The units feature an ultra-compact housing, a motor with a cast aluminum frame, and motor thermal protection.
SFR AC fans are suitable for applications in supply and exhaust systems, air purification, industrial and commercial equipment, precision air conditioners, fan coil units, compact air handling units, ventilation cabinets, and other applications.
The impellers are manufactured from different materials depending on the model, including high-strength plastic, SGCC galvanized steel, and aluminum alloy. The models feature an IP44 protection rating, Class F insulation, and single-phase AC motors, according to each unit’s technical specifications.
About the Product
Main Features
✲ Centrifugal fan with a radial-type impeller.
✲ Direct drive powered by an AC motor.
✲ Ultra-compact housing.
✲ Ball bearings for increased durability and performance.
✲ Impellers made of high-strength plastic, SGCC galvanized steel, or aluminum alloy, depending on the model.
✲ Models with airflow rates of up to 4,680 m³/h.
✲ Maximum pressures of up to 79.3 mmWC.
✲ Motor with a cast aluminum housing.
✲ Motor thermal protection.
✲ IP44 protection rating.
✲ Class F insulation.
✲ Single-phase motors, depending on the model.
The product does not include the inlet nozzle. This accessory must be ordered or purchased separately.
Technical Specifications
| Materials and Construction | ||||||
|---|---|---|---|---|---|---|
| Model | Impeller Material | Motor Material | Motor Protection | Protection Rating | Insulation Class | Storage Temperature |
| SFR 190 AC – 220/60/550 | High-strength plastic | Cast aluminum | Thermal protection | IP44 | F | – 40ºC / + 80ºC |
| SFR 220 AC – 230/60/910 | High-strength plastic | Cast aluminum | Thermal protection | IP44 | F | -40ºC / + 80ºC |
| SFR 250 AC – 230/50/1370 | SGCC galvanized steel | Cast aluminum | Thermal protection | IP44 | F | -40ºC / + 80ºC |
| SFR 280 AC – 230/60/1520 | SGCC galvanized steel | Cast aluminum | Thermal protection | IP44 | F | -40ºC / + 80ºC |
| SFR 355 AC – 230/60/2610 | Aluminum alloy | Cast aluminum | Thermal protection | IP44 | F | -40ºC / + 80ºC |
| SFR 400 AC – 230/50/4680 | Aluminum alloy | Cast aluminum | Thermal protection | IP44 | F | -40ºC / + 80ºC |
| Performance and Electrical Parameters | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Model | Impeller Diameter | Speed | Peripheral Speed | Maximum Airflow | Maximum Pressure | Input Power | Rated Current | Phases | Rated Voltage | Sound Pressure at 1 m | Efficiency | Motor |
| SFR 190 AC – 220/60/ 550 | 190 mm | 2.620 rpm | 26,06 m/s | 550 m³/h | 42,3 mmWC | 71 W | 0,30 A | ~1 | 220 V | 70 dB (A) | 30% | 71 W – 1 / 220 V / 50-60 Hz |
| SFR 220 AC – 230/60/ 910 | 220 mm | 2.630 rpm | 30,30 m/s | 910 m³/h | 51,5 mmWC | 115 W | 0,52 A | ~1 | 230 V | 67 dB (A) | 34% | 115 W – 1 / 230 V / 50-60 |
| SFR 250 AC – 230/50/ 1370 | 250 mm | 2.810 rpm | 36,78 m/s | 1.370 m³/h | 45,9 mmWC | 220 W | 0,93 A | ~1 | 230 V | 68 dB (A) | 31% | 220 W – 1 / 230 V / 50-60 Hz |
| SFR 280 AC – 230/60/ 1520 | 280 mm | 2.780 rpm | 40,76 m/s | 1.520 m³/h | 79,3 mmWC | 290 W | 1,34 A | ~1 | 230 V | – | 29% | 290 W – 1 / 220 V / 50-60 Hz |
| SFR 355 AC – 230/60/ 2610 | 355 mm | 1.620 rpm | 30,11 m/s | 2.610 m³/h | 51,0 mmWC | 265 W | 1,16 A | ~1 | 230 V | 68 dB (A) | 45% | 265 W – 1 / 230 V / 50-60 Hz |
| SFR 400 AC – 230/50/ 4680 | 400 mm | 1.680 rpm | 35,19 m/s | 4.680 m³/h | 44,4 mmWC | 520 W | 2,30 A | ~1 | 230 V | 74 dB (A) | 64% | 520 W – 1 / 230 V / 50-60 Hz |
SFR 190 AC – 220/60/550 – AC CENTRIFUGAL FAN
SFR 220 AC – 230/60/910 – AC CENTRIFUGAL FAN
SFR 250 AC – 230/50/1370 – AC CENTRIFUGAL FAN
SFR 280 AC – 230/60/1520 – AC CENTRIFUGAL FAN
SFR 355 AC – 230/60/2610 – AC CENTRIFUGAL FAN
SFR 400 AC – 230/50/4680 – AC CENTRIFUGAL FAN
Models
