Representative image of the series — dimensions and configuration of this model are given in the drawing and data table below.
- ImpellerØ40 mm1.6 in
- Max airflow272 m³/h160 CFM
- Max static pressure24 Pa0.10 in. wg
- Voltage230 V
- Speed2,200 rpm
- Input power25 W
- Noise38 dB(A)
LWCA-40920SN-06 AC Cross Flow Fan Ø40 mm
Ø40 mm | AC | Max airflow 272 m³/h | Max static pressure 24 Pa | 38 dB(A)
- Direct from LONGWELL
- OEM / ODM
- Samples in 1–3 days
- Production 15–30 days
- 12-month warranty
- CE · RoHS · ETL on request
CAD models (STEP / DWG) are released on request — see “Engineering files” below. Another format or a non-standard variant? Ask an engineer · download center
Dimensional drawing LWCA-40920SN-06

Files for LWCA-40920SN-06: datasheet, catalogue and drawing PDFs are listed above ↑ · CAD (STEP / DWG) on request — ask an engineer.
Technical description LWCA-40920SN-06
LWCA-40920SN-06 is a LONGWELL AC Cross Flow Fan from the AC Cross Flow Fans range, impeller Ø40 mm, rated 230 V AC, maximum airflow 272 m³/h, maximum static pressure 24 Pa, noise 38 dB(A), input power 25 W. The fixed-speed AC external-rotor motor is simple, robust and cost-effective for constant-duty applications.
Technical data
| Model | LWCA-40920SN-06 |
|---|---|
| Series | LWCA40920 |
| Motor type | AC |
| Phase | 1-phase |
| Inlet | Triple |
| Rated voltage | 230 V |
| Frequency | 50 Hz |
| Input power | 25 W |
| Speed | 2,200 rpm |
| Max. airflow | 272 m³/h |
| Max. static pressure | 24 Pa |
| Noise | 38 dB(A) |
| Ambient temperature | -25 ~ 60 °C |
| Impeller diameter | Ø40 mm |
| Outlet length | 920mm |
| Impeller material | Aluminum alloy |
| Insulation class | B/F/H |
| Bearing | Maintenance-free ball bearings |
| Duty | S1 |
Typical applications
- Indoor air-conditioning units
- Air curtains and door air barriers
- Elevator and cabinet ventilation
- Linear air supply in appliances
Series LWCA40920: 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.
Company certificates
Scans of original documents held by Ningbo Longwell Electric Technology Co., Ltd.: the company ISO 9001 / 14001 / 45001 management-system certificate. Click a scan to open the original.
ISO 9001 / 14001 / 45001Management systems of Ningbo Longwell Electric Technology Co., Ltd. (company certificate).
PDFISO 9001 / 14001 / 45001 management system certificateNeed a Declaration of Conformity for this model and your destination market? Ask us — we arrange additional certification on request.
How to order LWCA-40920SN-06
Most first orders follow the same eight steps. Quantities, terms and lead times are confirmed in your quotation.
- 1SelectFind models by duty point in the selector or by model number, compare on the curve and add them to your RFQ list.
- 2Engineering checkWithin 1 business day you receive the duty-point check on the curve, price and lead time.
- 3SamplesStock models ship in 1–3 days.
- 4Validation supportDatasheets, drawings, wiring diagrams and DoC per model; test reports, CAD and register maps after a short project check or NDA.
- 5Order & paymentProforma invoice; first orders on T/T 30 / 70.
- 6Production & release15–30 days at the partner factory that builds your model, then inspected and released to LONGWELL standards with outgoing sampling to AQL 2.5.
- 7ShippingFOB / CIF / DDP by sea from Ningbo or Shanghai; express and air on EXW / FCA / DAP.
- 8After-sales12 months standard, extendable to 18–24 months by project agreement; test records retained for 5 years; 8D closed-loop for any issue; annual technical review for framework customers.
Test & release at LONGWELL
Specified and drawn by LONGWELL; built to LONGWELL drawings by qualified partner factories; inspected and released to LONGWELL standards before shipment.
See test and release photos (8)








Alternatives with the same impeller (Ø40 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 | |
|---|---|---|---|---|---|---|---|
| LWCA-40920SN-06 this model | 272 m³/h | 24 Pa | 2,200 rpm | 25 W | 38 dB(A) | 230 V | |
| LWCA-40250SN-07 | 77 m³/h | 19 Pa | 2,400 rpm | 12 W | 30 dB(A) | 230 V | View |
| LWCA-40250UN-06 | 77 m³/h | 19 Pa | 2,400 rpm | 12 W | 30 dB(A) | 115 V | View |
| LWCA-40290SN-07 | 93 m³/h | 20 Pa | 2,400 rpm | 12 W | 30 dB(A) | 230 V | View |
| LWCA-40290UN-06 | 93 m³/h | 20 Pa | 2,400 rpm | 13 W | 30 dB(A) | 115 V | View |
| LWCA-40350SN-07 | 108 m³/h | 21 Pa | 2,400 rpm | 13 W | 31 dB(A) | 230 V | View |
| LWCA-40350UN-06 | 108 m³/h | 21 Pa | 2,400 rpm | 16 W | 31 dB(A) | 115 V | View |
| LWCA-40420SN-07 | 130 m³/h | 22 Pa | 2,400 rpm | 14 W | 32 dB(A) | 230 V | View |
| LWCA-40420UN-06 | 130 m³/h | 22 Pa | 2,400 rpm | 17 W | 32 dB(A) | 115 V | View |
| LWCA-40530SN-06 | 156 m³/h | 23 Pa | 2,200 rpm | 17 W | 34 dB(A) | 230 V | View |
| LWCA-40610SN-06 | 180 m³/h | 23 Pa | 2,200 rpm | 19 W | 35 dB(A) | 230 V | View |
| LWCA-40700SN-06 | 207 m³/h | 23 Pa | 2,200 rpm | 20 W | 37 dB(A) | 230 V | View |
| LWCA-40800SN-06 | 236 m³/h | 24 Pa | 2,200 rpm | 22 W | 37 dB(A) | 230 V | View |
| LWCA-40854SN-06 | 252 m³/h | 24 Pa | 2,200 rpm | 23 W | 37 dB(A) | 230 V | View |
| LWCA-401055SN-06 | 311 m³/h | 25 Pa | 2,200 rpm | 25 W | 38 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
LWCA-43350SN-07Ø43 mm · 130 m³/h · 15 Pa · ACadjacent size
LWCA-43150UN-06Ø43 mm · 72 m³/h · 22 Pa · ACadjacent size
LWCA-4390SN-07Ø43 mm · 41 m³/h · 18 Pa · ACadjacent size
LWCA-4390UN-06Ø43 mm · 48 m³/h · 22 Pa · ACadjacent size
LWCA-43420SN-07Ø43 mm · 163 m³/h · 21 Pa · ACadjacent size
LWCD-43420MN-07Ø43 mm · 191 m³/h · 16 Pa · DCadjacent sizeAlternatives at a similar dutySimilar airflow, different construction or motor platform
LWCD-40920MN-06Ø40 mm · 272 m³/h · 26 Pa · DCsimilar duty
LWAD12038LH-13120 mm · 272.4 m³/h · 199 Pa · DCsimilar duty
LWAD12038MH-13120 mm · 272.4 m³/h · 199 Pa · DCsimilar duty
LWAD12038HH-13120 mm · 272.4 m³/h · 199 Pa · DCsimilar duty
LWAD12025LH-08120 mm · 271.2 m³/h · 249 Pa · DCsimilar duty
LWAD12025MH-08120 mm · 271.2 m³/h · 249 Pa · DCsimilar dutySee all AC Cross Flow Fans · select by duty point
Go deeper on longwellfans.com
Application guides, project stories and engineering calculators for cross flow fans — on our main site.
Solutions
- Home appliance coolingHoods, ovens, dryers, air conditioners
- Commercial HVACAHU, rooftop, fan coil, air curtain



