LONGWELL 72mm EC Backward Curved Centrifugal Fan, Industrial Centrifugal Blower, 230V IP55, 741.6 m³/h Airflow, 535.6 Pa Static Pressure – LWFE3G175-072PS-02

Air Flow 741.6 m³/h
Static Pressure 535.6 Pa
Inlet Ø 72 mm
Voltage 230 V

Control input 0-10VDC/PWM,Tach output,Locked-Rotor protection,Reverse Polarity Over-voltage protection,Soft Start Protection.

Specifications
Noise
72 dB(A)
Protection
IP55
Motor
EC
Speed
3300 RPM
Power Input
85 W
Impeller
PA6+GF
Frequency
50/60
Ambient Temp
-25℃~+60℃
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Need the exact model with a measured or digitised curve? This page describes the Backward Curved Centrifugal Fans range. The Fan Selector lists every LONGWELL backward-curved centrifugal fan model with airflow, static pressure, power, noise, drawing and datasheet.
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Description

Technical Description

Impeller Material PA6+GF
Mode of Operation S1
Protection Class IP55
Insulation Class F
Bearing Maintenance-free ball bearings
Technical Feature Control input 0-10VDC/PWM,Tach output,Locked-Rotor protection,Reverse Polarity Over-voltage protection,Soft Start Protection.

Nominal data

Type of Voltage EC
Diameter of Rotor 72mm
Nominal Voltage 230V
Frequency 50/60Hz
Current 0.65A
Power Input 85W
Speed 3300RPM
Static Pressure(Max) 535.6Pa
Air Flow(Max) 741.6m³/h
Noise 72dB(A)
Min.ambient Temp -25℃
Max.ambient Temp 60℃

Curves

175-072PS-02 Backward Curved Centrifugal Fans Curve

Drawing

175-072PS-02 Backward Curved Centrifugal Fans drawing

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Additional information

Insulation Class

F

type

EC

speed

3300

Bearing

Maintenance-free ball bearings

frequency

50/60

current

0.65

sound power

85.0

noise

72

Min.ambient Temp Max.ambient Temp

-25℃~+60℃

sound pressure

535.6

airflow

741.6

ac dc ec

EC

Impeller Material

PA6+GF

voltage

230

Protection Class

IP55

Mode of Operation

S1

dimensions

72

ErP 2026 scope check — Regulation (EU) 2024/1834

This model's estimated electrical input power is about 150 W, which falls inside the 125 W – 500 kW band covered by Regulation (EU) 2024/1834, applicable to fans first placed on the EU market from 24 July 2026.

Compliance is determined at your duty point, not by the model alone. The same fan can meet the requirement in one project and miss it in another, because the regulation evaluates efficiency across the real operating range rather than at the best efficiency point only.

Check this model at your duty point → Request test data & documentation →

Input power is estimated from rated voltage and current for scope indication only. Final selection must be confirmed against the duty point (airflow / static pressure / voltage / control method) and project verification. See the ErP 2026 requirements guide.

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