Customer Requirement
An HVAC OEM requested a high static pressure solution. The target performance is 1000 Pa static pressure at an airflow of 700 m³/h. They specified a forward-curved centrifugal fan with an impeller diameter of 200mm. The EC motor needs to be integrated with building management systems (BMS) via a 0-10V or similar control signal.
The centrifugal fan also needed a suitable operating temperature range and protection rate against dust. The customer also requested complete technical specifications and performance data tested according to ISO 5801. The final equipment units would be sold in European and North American markets, so CE and ETL certifications were required.
Engineering Solution
The project was classified as a light development task. The engineering team selected a 200mm forward-curved centrifugal fan with a scroll housing. The model spec is LWFE3G200-102SS-02-00. The selected EC centrifugal fan can provide approximately 1,350 Pa at 700 m³/h airflow. The LONGWELL SmartEC™ motor centrifugal fan supports 0–10 VDC, PWM, and RS485 Modbus RTU control. It also has an operating temperature range of −25°C to +60°C, an IP55 protection rating, and Class F motor insulation. This model is suitable for commercial HVAC applications.
Technical Specifications
| Parameter | Value |
|---|---|
| Model Number | LWFE3G200-102SS-02-00 |
| Nominal Voltage | 230 VAC (Range: 176-264 VAC) |
| Frequency | 50/60 Hz |
| Max Static Pressure | 1730 Pa |
| Max Air Flow | 2111 m³/h / 1242 CFM |
| Operating Point (Customer Requirement) | Exceeds 1000 Pa @ 700 m³/h |
| Speed | 2400 RPM |
| Rated Power | 520 W |
| Rated Current | 2.5 A |
| Protection Class | IP55 |
| Insulation Class | Class F |
| Operating Temperature | -25°C to +60°C |
| Noise Level (LpAin) | 76 dB(A) |
| Weight | 11 kg |
| Life Expectancy (L10) | 40,000 Hours @ 40°C |
| Control Interface | 0-10VDC / PWM / RS485 |
| Certifications | CE, ETL (UL 507, CSA C22.2#113), RoHS, REACH |
Technical Documentation
LWFE3G200-102SS-02-00 Specification Sheet
This datasheet provides complete performance curves, electrical data, control interface specifications, and mechanical drawings required by design engineers for system integration.
This image shows the LWFE-200 series forward-curved centrifugal fan parameters.
Why LONGWELL for HVAC OEM Integration?
- LONGWELL forward-curved centrifugal fans use a multi-blade impeller to deliver high airflow from a compact housing. The LWFE-200 series reaches a maximum airflow of 2,111 m³/h, with a listed noise level of 76 dB(A) at maximum speed.
- The centrifugal fan range includes forward-curved, backward-curved, and airfoil designs. HVAC OEMs can select a suitable fan according to the required airflow, static pressure, installation space, and system efficiency.
- The multi-wing impeller and scroll housing allow the fan to generate the pressure required by resistant HVAC systems. At the customer’s operating point, the selected model provides approximately 1,350 Pa at 700 m³/h, exceeding the specified 1,000 Pa requirement.
- LONGWELL also provides customization services for fan dimensions, airflow performance, motor configuration, and control interfaces. Technical documentation and engineering support are available for product selection, testing, and system integration.
Explore our full Centrifugal Fans range.
Frequently Asked Questions
Q: Can this centrifugal fan operate in cold climates below 0°C?
A: Yes. The LWFE3G200-102SS-02-00 model is designed for temperatures from −25°C to +60°C.
Q: Is the 76 dB(A) noise rating measured at the customer’s operating point?
A: No. The 76 dB(A) rating is measured at maximum speed under zero static pressure. The measurement is taken at a distance of 1 meter in a hemi-anechoic chamber.
Q: What control interfaces are available for the LWFE3G200-102SS-02-00?
A: The centrifugal fan uses LONGWELL SmartEC™ technology. It supports 0–10VDC, PWM, and RS485 Modbus RTU control. These interfaces allow integration with BMS for variable speed control.
Q: What is the typical production lead time for 500 units?
A: For a standard order of 500 units, the typical lead time is 15–30 days. LONGWELL offers a 90-day NPI process for customization from requirement confirmation to mass production.
Technical Documentation & Resources
Have a Similar Fan Requirement?
Longwell’s engineering team delivers custom spec sheets and samples within 90 days. Since 1990, we have supplied EC fans and blowers to OEMs across HVAC, cold chain, data center, and industrial applications worldwide.
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🏆 ISO 9001 / ISO 14001 / ISO 45001 | CE (TÜV) | UL/ETL | ATEX Zone 21/22 | AMCA 210-16 / ISO 5801 tested
Project Item: 7058730788-200
Project Date: 2026-07-27 09:40:34
