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.
- ImpellerØ180 mm7.1 in
- Max airflow742 m³/h437 CFM
- Max static pressure670 Pa2.69 in. wg
- Voltage230 V
- Speed2,000 rpm
- Input power300 W
- Noise73 dB(A)
LWFA2E180-092SS-03 AC Single Inlet Forward Centrifugal Blower Ø180 mm
Ø180 mm | AC | Max airflow 742 m³/h | Max static pressure 670 Pa | 73 dB(A)
- Factory direct
- OEM / ODM
- Samples in 1–3 days
- Production 15–30 days
- 18-month warranty
- CE · ETL · RoHS



Need a non-standard size or another format? Ask an engineer or search the download center.
LWFA2E180-092SS-03 is a LONGWELL AC Single Inlet Forward Centrifugal Blower from the Single Inlet Forward Curved Blowers range, impeller Ø180 mm, rated 230 V AC, maximum airflow 742 m³/h, maximum static pressure 670 Pa, noise 73 dB(A), input power 300 W. The fixed-speed AC external-rotor motor is simple, robust and cost-effective for constant-duty applications.
Technical data
| Model | LWFA2E180-092SS-03 |
|---|---|
| Series | LWFA2E180 |
| Motor type | AC |
| Phase | 1-phase |
| Rated voltage | 230 V |
| Frequency | 50 Hz |
| Current | 1.35 A |
| Input power | 300 W |
| Speed | 2,000 rpm |
| Max. airflow | 742 m³/h |
| Max. static pressure | 670 Pa |
| Noise | 73 dB(A) |
| Ambient temperature | -30 ~ 60 °C |
| Storage temperature | -40 ~ 80℃ |
| Humidity | 0 ~ 95 % RH |
| Altitude | < 1000m |
| Impeller diameter | Ø180 mm |
| Rotor diameter | 92 |
| Impeller material | Galvanised sheet steel ( Impeller ) |
| Protection class | IP54 |
| Insulation class | F |
| Bearing | Maintenance-free ball bearings |
| Duty | S1 |
| Balance grade | G6.3 |
| Vibration standard | JB/T 8689 |
| Service life | 30,000Hours(L10), At 40 °Croom, humidity 15%~65%RH |
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 LWFA2E180: 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 (Ø180 mm · AC)
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 | |
|---|---|---|---|---|---|---|---|
| LWFA2E180-092SS-03 this model | 742 m³/h | 670 Pa | 2,000 rpm | 300 W | 73 dB(A) | 230 V | |
| LWBA2E180-092NS-03 | 443 m³/h | 335 Pa | 2,560 rpm | 52 W | 63 dB(A) | 230 V | View |
| LWBA2E180-092NS-01 | 443 m³/h | 335 Pa | 2,550 rpm | 52 W | 63 dB(A) | 230 V | View |
| LWBA2E180-092NS-02 | 494 m³/h | 371 Pa | 2,850 rpm | 66 W | 66 dB(A) | 230 V | View |
| LWFA4E180-092SS-02 | 772.5 m³/h | 200.85 Pa | 1,330 rpm | 135 W | 63 dB(A) | 230 V | View |
| LWFA4E180-092NS-01 | 773 m³/h | 195.7 Pa | 1,450 rpm | 85 W | 69 dB(A) | 230 V | View |
| LWFA4E180-092SS-01 | 787.5 m³/h | 315 Pa | 1,335 rpm | 137 W | 63 dB(A) | 230 V | View |
| LWDA-180(7")S-MWN-01 | 1,000 m³/h | 90 Pa | 2,800 rpm | 60 W | 58 dB(A) | 220 V | View |
| LWFA4E180-092DS-01 | 1,205.1 m³/h | 247.2 Pa | 1,250 rpm | 200 W | 63 dB(A) | 230 V | View |
Not sure which one? Send us the duty point (airflow / static pressure / noise limit) — use the selector or ask an engineer.
Adjacent sizesOne size up when airflow is short, one size down when it is too much
LWBE3G175-072NU-17Ø175 mm · 741.6 m³/h · 535.6 Pa · ECadjacent size
LWBE3G175-072NS-08Ø175 mm · 700.4 m³/h · 803.4 Pa · ECadjacent size
LWBE3G175-072NS-07Ø175 mm · 911.55 m³/h · 875.5 Pa · ECadjacent size
LWBE3G175-072NS-09Ø175 mm · 700.4 m³/h · 875.5 Pa · ECadjacent size
LWBE3G175-072NU-16Ø175 mm · 535.6 m³/h · 453.2 Pa · ECadjacent size
LWBE3G175-072PS-10Ø175 mm · 924 m³/h · 893 Pa · ECadjacent sizeAlternatives at a similar dutySimilar airflow, different construction or motor platform
LWAA2D185S-7MNW-04Ø185 mm · 742 m³/h · ACsimilar duty
LWAA2E185S-7MNW-02Ø185 mm · 742 m³/h · ACsimilar duty
LWFA2E146-092DS-01Ø146 mm · 742 m³/h · 453 Pa · ACsimilar duty
LWBE3G175-072NS-03Ø175 mm · 741.6 m³/h · 535.6 Pa · ECsimilar duty
LWFE3G175-072PS-02Ø175 mm · 741.6 m³/h · 535.6 Pa · ECsimilar dutySee all Centrifugal Fans · select by duty point











