Frame size97 mm3.8 in
Max airflow43.8 m³/h26 CFM
Max static pressure212 Pa0.85 in. wg
Voltage48 V
Speed3,000 rpm
Input power14.4 W
Noise47.5 dB(A)

LWFD9733HH-02 DC Centrifugal Blower 97 mm

97 mm | DC | Max airflow 43.8 m³/h | Max static pressure 212 Pa | 47.5 dB(A)

SKU: LWFD9733HH-02 Categories: Cooling Fans & Blowers, DC Centrifugal Blowers, Frame Ø75–120 mm

Factory direct
OEM / ODM
Samples in 1–3 days
Production 15–30 days
18-month warranty
CE · ETL · RoHS

View RFQ →

Get a quote · LWFD9733HH-02

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

Used only for this quotation and technical support.

WhatsApp / Phone+86 183 5827 4663 E-mail an engineersales@longwellfans.com All files for LWFD9733HH-02drawings · curves · datasheet

Samples 1–3 days · fee credited to your order
From ~30 pcs for a first validation order
T/T 30 / 70 · FOB / CIF / DDP
100% tested · 18-month warranty
How ordering works →

Required airflow Required static pressure

Digitised from the catalogue curve at standard air (20 °C, 101.3 kPa, 1.2 kg/m³); one curve per voltage / speed grade. The system resistance curve depends on the actual ductwork — confirm the operating point on site. Need an engineer to verify the duty point? Contact us or add the model to your RFQ and note the duty point.

LWFD9733HH-02 Dimensional drawing — **Dimensional drawing**Dimensions in mm. Confirm against the final approval drawing before machining cut-outs.

LWFD9733HH-02 Performance curve (P-Q) — **Performance curve (P-Q)**Static pressure vs. airflow. Curve numbers correspond to supply voltage / speed grades.

Need a non-standard size or another format? Ask an engineer or search the download center.

LWFD9733HH-02 is a LONGWELL DC Centrifugal Blower from the DC Centrifugal Blowers range, frame size 97 mm, rated 48 V DC, maximum airflow 43.8 m³/h, maximum static pressure 212 Pa, noise 47.5 dB(A), input power 14.4 W. The low-voltage brushless DC motor suits battery-powered equipment and electronics cooling with speed control on demand.

Technical data

Model	LWFD9733HH-02
Series	LWFD9733
Motor type	DC
Rated voltage	48 V
Current	0.3 A
Input power	14.4 W
Speed	3,000 rpm
Max. airflow	43.8 m³/h
Max. static pressure	212 Pa
Noise	47.5 dB(A)
Frame size	97 mm
Dimensions	97x33mm
Impeller material	Plastic(UL94-VO)

Typical applications

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

Series LWFD9733: 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.

Alternatives with the same frame size (97 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
LWFD9733HH-02 this model	43.8 m³/h	212 Pa	3,000 rpm	14.4 W	47.5 dB(A)	48 V
LWFD9733HD-05	21.6 m³/h	53 Pa	1,500 rpm	4.8 W	32.4 dB(A)	48 V	View
LWFD9733MD-05	21.6 m³/h	53 Pa	1,500 rpm	4.8 W	32.4 dB(A)	24 V	View
LWFD9733LD-05	21.6 m³/h	53 Pa	1,500 rpm	3.6 W	32.4 dB(A)	12 V	View
LWFD9733HL-04	29.4 m³/h	94 Pa	2,000 rpm	7.2 W	38.7 dB(A)	48 V	View
LWFD9733ML-04	29.4 m³/h	94 Pa	2,000 rpm	7.2 W	38.7 dB(A)	24 V	View
LWFD9733LL-04	29.4 m³/h	94 Pa	2,000 rpm	4.8 W	38.7 dB(A)	12 V	View
LWFD9733HM-03	36.6 m³/h	147 Pa	2,500 rpm	9.6 W	43.5 dB(A)	48 V	View
LWFD9733MM-03	36.6 m³/h	147 Pa	2,500 rpm	9.6 W	43.5 dB(A)	24 V	View
LWFD9733LM-03	36.6 m³/h	147 Pa	2,500 rpm	7.2 W	43.5 dB(A)	12 V	View
LWFD9733MH-02	43.8 m³/h	212 Pa	3,000 rpm	12 W	47.5 dB(A)	24 V	View
LWFD9733LH-02	43.8 m³/h	212 Pa	3,000 rpm	9.6 W	47.5 dB(A)	12 V	View
LWFD9733HX-01	51 m³/h	288 Pa	3,500 rpm	19.2 W	50.8 dB(A)	48 V	View
LWFD9733MX-01	51 m³/h	288 Pa	3,500 rpm	14.4 W	50.8 dB(A)	24 V	View
LWFD9733LX-01	51 m³/h	288 Pa	3,500 rpm	12 W	50.8 dB(A)	12 V	View