On July 23, 2026, LONGWELL opened a project to prepare an AC axial fan technical specification for model LWAA2D250S-5MKW-46-00. The engineering response was delivered with technical review completed on July 23, 2026, providing the baseline drawing and performance datasheet.

Technical Specifications
The standard drawing specifies an AC axial fan constructed with a cold-rolled sheet metal impeller and maintenance-free deep groove ball bearings. Designed for S1 continuous duty, the motor supports both horizontal and vertical shaft mounting options.
| Parameter | Value / Unit |
|---|---|
| Model Number | LWAA2D250S-5MKW-46-00 |
| Nominal Voltage | 380 VAC (Range: 342–412 VAC) |
| Frequency | 50 Hz |
| Speed | 2500 rpm |
| Power Input | 100 W |
| Current | 0.2 A |
| Max Airflow | 1648 m³/h (969 CFM) |
| Noise Level (LpA) | 66 dB(A) |
| Insulation Class | Class F |
| Protection Rating | IP44 |
| Operating Temperature | -30°C to 60°C |
| Life Expectancy | 30,000 Hours (L10 at 40°C, 15%–65% RH) |
View Technical Datasheet (PDF)
Engineering Scope
The standard documentation output includes specification document LWAA2D250S-5MKW-46-00.pdf approved by LONGWELL engineering for integration evaluation and dimensional validation.

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