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On July 27, 2026, LONGWELL opened an engineering project following a customer request for a 200mm impeller diameter EC forward-curved centrifugal fan targeting 700 m³/h airflow at 1000 Pa static pressure. The engineering team prepared model LWFE3G200-102SS-02-00 and issued the technical specification on July 29, 2026.

Forward-curved centrifugal blower in a scroll housing
Representative forward-curved blower; project specifications are listed below.

Technical Parameters

The output specification defines the nominal operating ratings and physical parameters for model LWFE3G200-102SS-02-00.

Parameter Value
Model Number LWFE3G200-102SS-02-00
Nominal Voltage 230 VAC (176–264 VAC)
Frequency 50/60 Hz
Speed 2400 rpm
Rated Power 520 W
Rated Current 2.5 A
Air Flow (Max) 2111 m³/h (1242 CFM)
Static Pressure (Max) 1730 Pa
Noise Level (LpAin) 76 dB(A)
Operating Temperature -25°C to 60°C
Protection & Insulation IP55, Class F
Impeller Material Metal
Weight 11 kg

Electrical Interface and Control Features

Model LWFE3G200-102SS-02-00 incorporates speed control options including 0–10 VDC, PWM signal inputs, and RS485 communication. It provides an auxiliary 10 VDC output (maximum 10 mA) and a 5 Pulse/R speed signal. Motor protection features include current limiting, over-temperature, over-current, locked-rotor, and phase loss detection.

Project Deliverables

This project scope covers the initial requirement intake, model designation, and completion of the technical specification sheet on July 29, 2026, providing full dimensional and performance data for customer evaluation.

Drawing excerpt from the engineering file prepared for this request
Engineering drawing excerpt for the requested configuration.

Discuss a Similar Requirement

For custom EC centrifugal fan duty points, specific voltage ranges, or housing requirements, submit your target airflow, static pressure, and dimensions to our engineering team through our contact page or evaluate options on the LONGWELL fan selector.

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