


Downloads for LWAA2D185S-7MNW-04
PDFDatasheetNeed a non-standard size or another format? Ask an engineer or search the download center.
Ø185 mm | AC | Max airflow 742 m³/h | 52 dB(A)



Need a non-standard size or another format? Ask an engineer or search the download center.
LWAA2D185S-7MNW-04 is a LONGWELL AC Axial Fan from the AC Axial Fans range, impeller Ø185 mm, rated 380 V AC, maximum airflow 742 m³/h, noise 52 dB(A), input power 75 W. The fixed-speed AC external-rotor motor is simple, robust and cost-effective for constant-duty applications.
| Model | LWAA2D185S-7MNW-04 |
|---|---|
| Series | LWAA2D185 |
| Motor type | AC |
| Phase | 3-phase |
| Rated voltage | 380 V |
| Voltage range | 342 ~ 418 V |
| Frequency | 60 Hz |
| Current | 0.18 A |
| Input power | 75 W |
| Speed | 2,700 rpm |
| Max. airflow | 742 m³/h |
| Noise | 52 dB(A) |
| Ambient temperature | -30 ~ +60 ℃ |
| Storage temperature | -40 ~ 80℃ |
| Humidity | 0 ~ 95 % RH |
| Altitude | < 1000m |
| Impeller diameter | Ø185 mm |
| Impeller material | Cold-rolled sheet ( Impeller ) |
| Protection class | IP54 |
| Insulation class | F |
| Bearing | Maintenance-free ball bearings |
| Duty | S1 |
| Balance grade | G6.3 |
| Vibration standard | JB/T8689 |
| Service life | 30,000Hours(L10), At normal supply voltage , 20 °Croom with full speed, humidity 15%~65%RH |
Series LWAA2D185: 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.
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 | |
|---|---|---|---|---|---|---|---|
| LWAA2D185S-7MNW-04 this model | 742 m³/h | see curve | 2,700 rpm | 75 W | 52 dB(A) | 380 V | |
| LWAA2E185S-7MNW-01 | 670 m³/h | see curve | 2,400 rpm | 55 W | 51 dB(A) | 220/230 V | View |
| LWAA2D185S-7MNW-03 | 670 m³/h | see curve | 2,400 rpm | 55 W | 51 dB(A) | 380 V | View |
| LWAA2E185S-7MNW-02 | 742 m³/h | see curve | 2,700 rpm | 75 W | 52 dB(A) | 220/230 V | View |
Not sure which one? Send us the duty point (airflow / static pressure / noise limit) — use the selector or ask an engineer.
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