Tube Axial Fan dimensional drawing (shared by several models)

ImpellerØ250 mm9.8 in
Max airflow28 m³/h16 CFM
Voltage110-120 V
Speed1,350 rpm
Input power80 W

LWA-250(10″)U(S)M-01 Tube Axial Fan Ø250 mm

Ø250 mm | AC | Max airflow 28 m³/h

SKU: LWA-250(10")U(S)M-01 Categories: Axial Fans, Impeller Ø200–350 mm, Tube Axial Fans

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

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All files for LWA-250(10")U(S)M-011 files · direct download

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

Proven in projects

Heat pump fan programme Telecom & power cabinet cooling Cold chain supermarket retrofit Dry-type transformer cooling All case studies →

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WhatsApp / Phone+86 183 5827 4663 E-mail an engineersales@longwellfans.com Files for LWA-250(10")U(S)M-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
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Catalogue table LWA-250(10")U(S)M-01

LWA-250(10")U(S)M-01 Catalogue data table — **Catalogue data table**Series table from the catalogue — read the row for this model. Dimensions are given on the drawing of the same size.

Files for LWA-250(10")U(S)M-01: datasheet, catalogue and drawing PDFs are listed above ↑ · CAD (STEP / DWG) on request — ask an engineer.

Technical description LWA-250(10")U(S)M-01

LWA-250(10")U(S)M-01 is a LONGWELL Tube Axial Fan from the Tube Axial Fans range, impeller Ø250 mm, rated 110-120 V AC, maximum airflow 28 m³/h, input power 80 W.

Technical data

Model	LWA-250(10")U(S)M-01
Motor type	AC
Phase	1-phase
Rated voltage	110-120 V
Frequency	50 Hz
Input power	80 W
Speed	1,350 rpm
Max. airflow	28 m³/h
Impeller diameter	Ø250 mm
Blade diameter	250mm

Typical applications

Condensers, evaporators and dry coolers
Heat-pump and chiller outdoor units
Building and workshop ventilation
Cooling towers and transformer cooling

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 LWA-250(10")U(S)M-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 impeller (Ø250 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
LWA-250(10")U(S)M-01 this model	28 m³/h	see curve	1,350 rpm	80 W	—	110-120 V
LWA-250(10")U(S)M-02	48 m³/h	see curve	2,800 rpm	230 W	—	110-120 V	View
LWAA4E250B-7MKB-18	979 m³/h	see curve	1,400 rpm	50 W	53 dB(A)	220/230 V	View
LWAA4E250S-7MKW-13	979 m³/h	see curve	1,400 rpm	50 W	53 dB(A)	220/230 V	View
LWAA4E250S-7MEB-05	979 m³/h	see curve	1,400 rpm	110 W	53 dB(A)	220/230 V	View
LWAA4D250S-7MEB-07	979 m³/h	see curve	1,400 rpm	100 W	53 dB(A)	380 V	View
LWAA4E250B-5MEW-23	989 m³/h	see curve	1,450 rpm	58 W	55 dB(A)	220 V	View
LWAA4E250B-7MKB-19	1,133 m³/h	see curve	1,650 rpm	60 W	54 dB(A)	220/230 V	View
LWAA4E250S-7MKW-14	1,133 m³/h	see curve	1,620 rpm	55 W	54 dB(A)	220/230 V	View
LWAA4E250S-7MEB-06	1,133 m³/h	see curve	1,650 rpm	110 W	54 dB(A)	220/230 V	View
LWAA4D250S-7MEB-08	1,133 m³/h	see curve	1,650 rpm	100 W	54 dB(A)	380 V	View
LWAA2E250S-5MEW-22	1,627 m³/h	see curve	2,550 rpm	100 W	—	220 V	View
LWAA2E250S-7MEB-15	2,060 m³/h	see curve	2,700 rpm	130 W	67 dB(A)	220/230 V	View
LWA-250(10")U(S)M-03	2,100 m³/h	215 Pa	2,800 rpm	250 W	—	110-120 V	View
LWAA2E250S-7MEB-16	2,318 m³/h	see curve	2,900 rpm	170 W	69 dB(A)	220/230 V	View