Representative image of the series — dimensions and configuration of this model are given in the drawing and data table below.
- ImpellerØ315 mm12.4 in
- Max airflow3,605 m³/h2,122 CFM
- Max static pressure249.26 Pa1.00 in. wg
- Voltage220 V
- Speed870 rpm
- Input power720 W
- Noise68 dB(A)
LWFA6E315-138NS-04 AC Forward Curved Centrifugal Fan Ø315 mm
Ø315 mm | AC | Max airflow 3,605 m³/h | Max static pressure 249.26 Pa | 68 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
Drawing & Curve LWFA6E315-138NS-04
Files for LWFA6E315-138NS-04: datasheet, catalogue and drawing PDFs are listed above ↑ · CAD (STEP / DWG) on request — ask an engineer.
Technical description LWFA6E315-138NS-04
LWFA6E315-138NS-04 is a LONGWELL AC Forward Curved Centrifugal Fan from the Forward Curved Centrifugal Fans range, impeller Ø315 mm, rated 220 V AC, maximum airflow 3,605 m³/h, maximum static pressure 249.26 Pa, noise 68 dB(A), input power 720 W. The fixed-speed AC external-rotor motor is simple, robust and cost-effective for constant-duty applications.
Technical data
| Model | LWFA6E315-138NS-04 |
|---|---|
| Series | LWFA6E315 |
| Motor type | AC |
| Phase | 1-phase |
| Rated voltage | 220 V |
| Frequency | 50 Hz |
| Current | 3.6 A |
| Input power | 720 W |
| Speed | 870 rpm |
| Max. airflow | 3,605 m³/h |
| Max. static pressure | 249.26 Pa |
| Noise | 68 dB(A) |
| Ambient temperature | -30 ~ 60 °C |
| Impeller diameter | Ø315 mm |
| Rotor diameter | 138 mm |
| Insulation class | F |
| Bearing | Maintenance-free ball bearings |
| Duty | S1 |
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 LWFA6E315: 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 LWFA6E315-138NS-04
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 (Ø315 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 | |
|---|---|---|---|---|---|---|---|
| LWFA6E315-138NS-04 this model | 3,605 m³/h | 249.26 Pa | 870 rpm | 720 W | 68 dB(A) | 220 V | |
| LWBA4E315-102NS-19 | 1,859 m³/h | 294 Pa | 1,390 rpm | 116 W | 67.4 dB(A) | 230 V | View |
| LWBA4E315-102NS-11 | 1,957 m³/h | 319 Pa | 1,350 rpm | 115 W | 63 dB(A) | 230 V | View |
| LWBA4D315-102NT-09 | 1,957 m³/h | 309 Pa | 1,400 rpm | 136 W | 63 dB(A) | 380 V | View |
| LWBA4E315-102NS-18 | 2,079 m³/h | 399 Pa | 1,550 rpm | 153 W | 69.6 dB(A) | 230 V | View |
| LWBA4D315-102NT-10 | 2,163 m³/h | 412 Pa | 1,560 rpm | 175 W | 65 dB(A) | 380 V | View |
| LWBA4D315-138NT-15 | 2,318 m³/h | 371 Pa | 1,450 rpm | 220 W | 64 dB(A) | 380 V | View |
| LWBA4E315-138NS-13 | 2,318 m³/h | 371 Pa | 1,450 rpm | 220 W | 64 dB(A) | 230 V | View |
| LWBA4D315-138NT-16 | 2,781 m³/h | 515 Pa | 1,650 rpm | 300 W | 68 dB(A) | 380 V | View |
| LWBA4E315-138NS-14 | 2,781 m³/h | 515 Pa | 1,650 rpm | 300 W | 68 dB(A) | 230 V | View |
| LWFA6D315-138NT-03 | 2,987 m³/h | 249.26 Pa | 940 rpm | 780 W | 68 dB(A) | 380 V | View |
| LWBA2D315-138NT-12 | 3,605 m³/h | 927 Pa | 2,750 rpm | 800 W | 84 dB(A) | 380 V | View |
| LWBA2D315-188NT-17 | 4,120 m³/h | 1,082 Pa | 2,650 rpm | 1,300 W | 85 dB(A) | 380 V | View |
| LWFA4D315-188NT-01 | 4,328 m³/h | 576.8 Pa | 1,360 rpm | 2,200 W | 80 dB(A) | 380 V | View |
| LWFA4E315-188NS-02 | 4,429 m³/h | 618 Pa | 1,360 rpm | 2,300 W | 80 dB(A) | 220 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
LWBE3G310-092NS-22Ø310 mm · 2,678 m³/h · 607.7 Pa · ECadjacent size
LWBE3G310-072NU-27Ø310 mm · 2,266 m³/h · 700.4 Pa · ECadjacent size
LWBE3G310-072NS-21Ø310 mm · 2,266 m³/h · 618 Pa · ECadjacent size
LWBE3G310-072NS-07Ø310 mm · 2,266 m³/h · 700.4 Pa · ECadjacent size
LWBE3G310-092NU-28Ø310 mm · 2,678 m³/h · 607.7 Pa · ECadjacent size
LWBE3G310-092NS-23Ø310 mm · 2,523.5 m³/h · 669.5 Pa · ECadjacent sizeAlternatives at a similar dutySimilar airflow, different construction or motor platform
LWFE3G225-138DS-01Ø225 mm · 3,605 m³/h · 577 Pa · ECsimilar duty
LWBA2D315-138NT-12Ø315 mm · 3,605 m³/h · 927 Pa · ACsimilar duty
LWAE3G350SS-5PEW-09Ø350 mm · 3,554 m³/h · 144 Pa · ECsimilar duty
LWBE3G355-102NS-20Ø355 mm · 3,554 m³/h · 618 Pa · ECsimilar duty
LWBE3G400-102NS-16Ø400 mm · 3,554 m³/h · 546 Pa · ECsimilar duty
LWBE3G355-102PS-16Ø355 mm · 3,554 m³/h · 618 Pa · ECsimilar dutySee all Centrifugal Fans · select by duty point
Go deeper on longwellfans.com
Application guides, project stories and engineering calculators for centrifugal fans — on our main site.
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