LONGWELL 225mm EC Backward-Curved Centrifugal Fan LWBE3G225-072PS-03 | High-Efficiency & Low-Noise HVAC Solution

Discover LONGWELL’s cutting-edge 225mm EC Backward-Curved Centrifugal Fan (225 Series), model LWBE3G225-072PS-03. Engineered for peak performance, this fan delivers high static efficiency, minimal noise emission, and robust durability, making it an ideal air power solution for a wide range of applications.

Key Features & Benefits

  • High-Performance Impeller: Features an aerodynamically optimized PA66+ Glass fiber reinforced impeller for exceptional air movement and high static efficiency.
  • GreenTech EC Motor: Powered by a BLEC motor, ensuring high efficiency, economical operation, long service life, and reliable safety.
  • Precise Speed Control: Offers infinite speed control options via 0-10V/PWM (duty cycle) or RS485 network communication protocol.
  • Robust & Water-Proof Design: Boasts an IP55 Protection Class with a fully encapsulated end cap and internal sealing to effectively prevent liquid spray.
  • Comprehensive Motor Protection: Includes Tech-Output/Soft start, Locked-Rotor Protection, Over-Heating Protection, and Over-Loading Protection.
  • Ultra-Low Noise & Minimal Vibration: Designed for quiet and stable operation, enhancing comfort and system reliability.

Technical Specifications

  • Diameter: 225mm
  • Supply Voltage: 230V, 50/60Hz
  • Motor Type: BLEC Motor
  • Input Power: 80-3150W
  • Air Volume: 1009-1630 m³/h
  • Static Air Pressure: 433-1030 Pa
  • Speed: 2300-3600 RPM
  • Insulation Class: F
  • Operating Temperature: -25°C to +60°C

Versatile Applications

Our high-performance centrifugal fans are widely used in

  • Air Handling Units (AHU) & AHU Retrofit Projects
  • Heat Recovery Ventilators (HRV)
  • Fan Filter Units (FFU)
  • Air Purifiers & Fresh Air Systems
  • HVAC Systems & Building Automation
  • Industrial Manufacturing & Medical Equipment
  • Data Centers & Equipment Cooling Systems

Quality & Certifications: LONGWELL is committed to global quality standards. Fans are tested to AMCA 210/211 methods (third-party reports on request); CE (LVD/EMC), RoHS, REACH and ErP compliance; ETL/UL on selected models; ISO 9001/14001/45001 certified factory.

Need a high-quality, energy-efficient, and low-noise fan solution for your next project? Contact LONGWELL Electric Technology Co., Ltd. for professional air power solutions and a tailored quote!

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Ningbo Longwell Electric Technology Co., Ltd. · No. 100 Henan Road, Ditang, Yuyao, Ningbo, Chinasales@longwellfans.com · WhatsApp +86 183 5827 4663 · Mon–Fri 8:30–17:30 (UTC+8), reply within 1 business dayHow to order · Privacy notice
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