Digitised from the catalogue curve at standard air (20 °C, 101.3 kPa, 1.2 kg/m³); one curve per voltage / speed grade. The system resistance curve depends on the actual ductwork — confirm the operating point on site. Need an engineer to verify the duty point? Contact us or add the model to your RFQ and note the duty point.
- ImpellerØ310 mm12.2 in
- Max airflow4,120 m³/h2,424 CFM
- Max static pressure1,081.5 Pa4.34 in. wg
- Voltage230 V
- Speed2,960 rpm
- Input power700 W
- Noise85 dB(A)
LWBE3G310-102NS-09 EC Backward Curved Centrifugal Fan Ø310 mm
Ø310 mm | EC | Max airflow 4,120 m³/h | Max static pressure 1,081.5 Pa | 85 dB(A)
- Factory direct
- OEM / ODM
- Samples in 1–3 days
- Production 15–30 days
- 18-month warranty
- CE · ETL · RoHS
LWBE3G310-102NS-09 — construction, airflow path and running condition.
Downloads for LWBE3G310-102NS-09
PDFDatasheetPDFCatalog · 621 KBPDFDrawing · 1.2 MBDOCXDatasheet · 747 KBNeed a non-standard size or another format? Ask an engineer or search the download center.
LWBE3G310-102NS-09 is a LONGWELL EC Backward Curved Centrifugal Fan from the Backward Curved Centrifugal Fans range, impeller Ø310 mm, rated 230 V EC, maximum airflow 4,120 m³/h, maximum static pressure 1,081.5 Pa, noise 85 dB(A), input power 700 W. The EC motor integrates the drive electronics: stepless speed control by 0–10 V or PWM signal, speed feedback and high efficiency at part load.
Technical data
| Model | LWBE3G310-102NS-09 |
|---|---|
| Series | LWBE3G310 |
| Motor type | EC |
| Phase | 1-phase |
| Rated voltage | 230 V |
| Frequency | 50 Hz |
| Current | 3.1 A |
| Input power | 700 W |
| Speed | 2,960 rpm |
| Max. airflow | 4,120 m³/h |
| Max. airflow (CFM) | 2,424 CFM |
| Max. static pressure | 1,081.5 Pa |
| Noise | 85 dB(A) |
| Ambient temperature | -25 ~ 60 °C |
| Impeller diameter | Ø310 mm |
| Rotor diameter | 102 |
| Impeller material | Aluminum Alloy |
| Protection class | IP55 |
| Insulation class | F |
| Bearing | Maintenance-free ball bearings |
| Duty | S1 |
| Rotation | Clockwise,seen on rotor |
Typical applications
- Air handling units (AHU) and rooftop units (RTU)
- Data-center CRAH / CRAC units and fan walls
- Dust extraction and process ventilation
- Fan filter units and air purifiers
Series LWBE3G310: models in the same series share the impeller and motor platform and differ in speed grade, voltage or lead-out / terminal-box configuration — compare them in the table below or ask for the best fit at your duty point.
Nameplate values: maximum airflow is measured at zero static pressure and maximum static pressure at zero airflow; the two never occur together. Confirm the operating point on the performance curve. Final selection is subject to the duty point (airflow / static pressure / voltage / control mode) and project verification.
Alternatives with the same impeller (Ø310 mm · EC)
Same impeller, different speed grade, power or wiring. Step up for more airflow, step down for lower noise.
| Model | Max airflow | Max static pressure | Speed | Power | Noise | Voltage | |
|---|---|---|---|---|---|---|---|
| LWBE3G310-102NS-09 this model | 4,120 m³/h | 1,081.5 Pa | 2,960 rpm | 700 W | 85 dB(A) | 230 V | |
| LWBE3G310-092PS-11 | 2,235 m³/h | 474 Pa | 1,850 rpm | 160 W | 75 dB(A) | 230 V | View |
| LWFE3G310-072PS-01 | 2,266 m³/h | 700.4 Pa | 1,810 rpm | 175 W | 66 dB(A) | 230 V | View |
| LWBE3G310-092PS-12 | 2,410 m³/h | 443 Pa | 1,750 rpm | 150 W | 75 dB(A) | 230 V | View |
| LWFE3G310-092PS-08 | 2,523.5 m³/h | 669.5 Pa | 2,050 rpm | 220 W | 66 dB(A) | 230 V | View |
| LWFE3G310-092PS-07 | 2,678 m³/h | 607.7 Pa | 1,500 rpm | 175 W | 63 dB(A) | 230 V | View |
| LWBE3G310-102PS-02 | 2,869 m³/h | 630 Pa | 2,150 rpm | 285 W | 70 dB(A) | 230 V | View |
| LWBE3G310-102PS-16 | 2,884 m³/h | 963 Pa | 2,600 rpm | 450 W | 78 dB(A) | 230 V | View |
| LWBE3G310-102PS-15 | 2,936 m³/h | 700 Pa | 2,300 rpm | 370 W | 76 dB(A) | 230 V | View |
| LWFE3G310-102PS-03 | 4,120 m³/h | 1,081.5 Pa | 2,960 rpm | 700 W | 85 dB(A) | 230 V | View |
| LWBE3G310-138PT-04 | 4,398 m³/h | 824 Pa | 2,600 rpm | 980 W | 74 dB(A) | 400 V | View |
| LWBE3G310-138NT-05 | 4,398.1 m³/h | 824 Pa | 2,600 rpm | 980 W | 74 dB(A) | 400 V | View |
| LWFE3G310-102PT-09 | 5,150 m³/h | 1,730.4 Pa | 3,000 rpm | 1,100 W | 85 dB(A) | 400 V | View |
| LWBE3G310-138NT-25 | 5,592.9 m³/h | 1,082 Pa | 3,300 rpm | 1,588 W | 92 dB(A) | 400 V | View |
| LWBE3G310-138PT-10 | 5,593 m³/h | 1,082 Pa | 3,300 rpm | 1,588 W | 92 dB(A) | 400 V | View |
Not sure which one? Send us the duty point (airflow / static pressure / noise limit) — use the selector or ask an engineer.
Related products
Other models in the LWBE3G310 seriesSame impeller, different speed grade or wiring
LWBE3G310-072NS-07Ø310 mm · 2,266 m³/h · 700.4 Pa · ECsame series
LWBE3G310-072NU-27Ø310 mm · 2,266 m³/h · 700.4 Pa · ECsame series
LWBE3G310-072NS-21Ø310 mm · 2,266 m³/h · 618 Pa · ECsame series
LWBE3G310-092NS-22Ø310 mm · 2,678 m³/h · 607.7 Pa · ECsame series
LWBE3G310-092NU-28Ø310 mm · 2,678 m³/h · 607.7 Pa · ECsame series
LWBE3G310-092NS-23Ø310 mm · 2,523.5 m³/h · 669.5 Pa · ECsame seriesAdjacent sizesOne size up when airflow is short, one size down when it is too much
LWBA2D315-188NT-17Ø315 mm · 4,120 m³/h · 1,082 Pa · ACadjacent size
LWBA6E315-102NS-08Ø315 mm · 1,133 m³/h · 185 Pa · ACadjacent size
LWBA4E315-138NS-14Ø315 mm · 2,781 m³/h · 515 Pa · ACadjacent size
LWBA4D315-138NT-15Ø315 mm · 2,318 m³/h · 371 Pa · ACadjacent size
LWBA4D315-138NT-16Ø315 mm · 2,781 m³/h · 515 Pa · ACadjacent size
LWFA4D315-188ST-01Ø315 mm · 5,150 m³/h · 695.25 Pa · ACadjacent sizeAlternatives at a similar dutySimilar airflow, different construction or motor platform
LWBA4E400-138NS-09Ø400 mm · 4,120 m³/h · 494 Pa · ACsimilar duty
LWBA4D400-138NT-10Ø400 mm · 4,120 m³/h · 494 Pa · ACsimilar duty
LWFE3G310-102PS-03Ø310 mm · 4,120 m³/h · 1,081.5 Pa · ECsimilar duty
LWT-1125-0149 mm · 4,100 m³/h · 1,700 Pa · ACsimilar duty
LWT-1125-0249 mm · 4,100 m³/h · 1,700 Pa · ACsimilar dutySee all Backward Curved Centrifugal Fans · select by duty point