DC Axial Cooling Fan performance curve (shared by several models)

Representative image of the series — dimensions and configuration of this model are given in the drawing and data table below.

Frame size40 mm1.6 in
Max airflow34.8 m³/h20 CFM
Max static pressure235 Pa0.94 in. wg
Voltage24 V
Speed15,000 rpm
Input power7.68 W
Noise54.2 dB(A)

LWAD4028MX-01 DC Axial Cooling Fan 40 mm

40 mm | DC | Max airflow 34.8 m³/h | Max static pressure 235 Pa | 54.2 dB(A)

SKU: LWAD4028MX-01 Categories: Cooling Fans & Blowers, DC Axial Cooling Fans, Frame 25–40 mm

Direct from LONGWELL
OEM / ODM
Samples in 1–3 days
Production 15–30 days
12-month warranty
CE · RoHS · ETL on request

PDFDatasheet (PDF)electrical & performance data

All files for LWAD4028MX-014 files · direct download

WEBPDimensional drawing WEBPPerformance curve DOCXDatasheet

CAD models (STEP / DWG) are released on request — see “Engineering files” below. Another format or a non-standard variant? Ask an engineer · download center

Used in

Server cooling Drive & control cabinets Access control Automation cabinets All industries →

Proven in projects

350 kW charger cabinet cooling BESS container thermal Wind, solar & inverter cooling All case studies →

Get a quote · LWAD4028MX-01

Price, curve check and lead time within 1 business day.

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WhatsApp / Phone+86 183 5827 4663 E-mail an engineersales@longwellfans.com Files for LWAD4028MX-01datasheet · catalogue · drawings · curves — listed above

Samples 1–3 days · fee credited to your order
Typically 50–200 pcs · ~30 pcs for a first validation order
T/T 30 / 70 · FOB / CIF / DDP
Released to LONGWELL standards · 12-month warranty
How ordering works →

Drawing & Curve LWAD4028MX-01

LWAD4028MX-01 Dimensional drawing — **Dimensional drawing**Dimensions in mm. Confirm against the final approval drawing before machining cut-outs.

LWAD4028MX-01 Performance curve (P-Q) — **Performance curve (P-Q)**Static pressure vs. airflow. Curve numbers correspond to supply voltage / speed grades.

Files for LWAD4028MX-01: datasheet, catalogue and drawing PDFs are listed above ↑ · CAD (STEP / DWG) on request — ask an engineer.

Technical description LWAD4028MX-01

LWAD4028MX-01 is a LONGWELL DC Axial Cooling Fan from the DC Axial Cooling Fans range, frame size 40 mm, rated 24 V DC, maximum airflow 34.8 m³/h, maximum static pressure 235 Pa, noise 54.2 dB(A), input power 7.68 W. The low-voltage brushless DC motor suits battery-powered equipment and electronics cooling with speed control on demand.

Technical data

Model	LWAD4028MX-01
Series	LWAD4028
Motor type	DC
Rated voltage	24 V
Current	0.32 A
Input power	7.68 W
Speed	15,000 rpm
Max. airflow	34.8 m³/h
Max. static pressure	235 Pa
Noise	54.2 dB(A)
Humidity	5 % RH ~ 90% RH
Frame size	40 mm
Dimensions	40x28mm
Impeller material	Plastic(UL94-VO)
Bearing	Type : Two Ball Bearings

Typical applications

Power supplies and inverters
Telecom and server cabinets
Battery packs and EV chargers
Medical and laboratory equipment

Series LWAD4028: 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).

ISO 9001 / 14001 / 45001 management system certificate — LONGWELL certificate

PDFISO 9001 / 14001 / 45001 management system certificate

Need a Declaration of Conformity for this model and your destination market? Ask us — we arrange additional certification on request.

How to order LWAD4028MX-01

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.

See terms, QC and FAQ →

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)

LONGWELL Semi-anechoic chamber — Semi-anechoic chamber

LONGWELL Test laboratory — Test laboratory

Test labs and all certificate scans →

Alternatives with the same frame size (40 mm · DC)

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
LWAD4028MX-01 this model	34.8 m³/h	235 Pa	15,000 rpm	7.68 W	54.2 dB(A)	24 V
LWFD4010MD-05	2.4 m³/h	23 Pa	5,000 rpm	0.96 W	22.4 dB(A)	24 V	View
LWFD4010LD-05	2.4 m³/h	23 Pa	5,000 rpm	0.96 W	22.4 dB(A)	12 V	View
LWFD4010KD-05	2.4 m³/h	23 Pa	5,000 rpm	1 W	21.1 dB(A)	5 V	View
LWFD4010ML-04	3 m³/h	33 Pa	6,000 rpm	1.2 W	26.4 dB(A)	24 V	View
LWFD4010LL-04	3 m³/h	33 Pa	6,000 rpm	1.2 W	26.4 dB(A)	12 V	View
LWFD4010KL-04	3 m³/h	33 Pa	6,000 rpm	1.25 W	25.1 dB(A)	5 V	View
LWFD4010MM-03	3.6 m³/h	44 Pa	7,000 rpm	1.44 W	29.7 dB(A)	24 V	View
LWFD4010LM-03	3.6 m³/h	44 Pa	7,000 rpm	1.44 W	29.7 dB(A)	12 V	View
LWFD4010KM-03	3.6 m³/h	44 Pa	7,000 rpm	1.5 W	28.4 dB(A)	5 V	View
LWFD4010MH-02	4.2 m³/h	58 Pa	8,000 rpm	1.92 W	32.6 dB(A)	24 V	View
LWFD4010LH-02	4.2 m³/h	58 Pa	8,000 rpm	1.68 W	32.6 dB(A)	12 V	View
LWFD4010KH-02	4.2 m³/h	58 Pa	8,000 rpm	1.75 W	31.3 dB(A)	5 V	View
LWFD4010MX-01	4.8 m³/h	73 Pa	9,000 rpm	2.4 W	35.2 dB(A)	24 V	View
LWFD4010LX-01	4.8 m³/h	73 Pa	9,000 rpm	1.92 W	35.2 dB(A)	12 V	View