Welcome to LONGWELL’s cutting-edge 355mm EC Backward Curved Centrifugal Fan (355 Series, Model: LWBE3G355-138PT-12)! As a global professional provider of air power solutions, LONGWELL delivers high-performance fans renowned for outstanding efficiency, minimal noise, and robust design, making them ideal for diverse industrial and commercial applications.
Key Features
- High-Performance Impeller: Made from aerodynamically optimized aluminum alloy for high static efficiency, minimal noise emission, and reduced vibration.
- GreenTech EC Motor: Equipped with a BLEC motor for high efficiency, economical operation, long service life, and reliable safety.
- Precise Speed Control: Supports 0-10V/PWM (duty cycle) or RS485 network communication for infinite speed control.
- Water-Proof Design: End cap fully encapsulated with internal sealing design, effectively preventing liquid spray.
- Comprehensive Motor Protection: Features Tech-Output, SoftStart, Locked-Rotor Protection, Over-Heating Protection, and Over-Loading Protection.
Product Specifications
- Diameter: 355mm
- Supply Voltage: 115V/230V/400V, 50/60Hz
- Motor Type: BLEC Motor
- Input Power: 120-3100W
- Air Volume: 1472-8034m³/h
- Speed: 1400-3800RPM
- Static Air Pressure: 350-2524 Pa
- Protection Class: IP44/IP54
- Insulation Class: B/F
- Operation Temperature: -25°C~+60°C
Versatile Applications
Our EC backward curved centrifugal fans are widely used in
- HVAC (Heating, Ventilation, Air Conditioning) Systems
- Air Handling Units (AHU projects, AHU retrofit projects)
- Data Centers (ventilation and cooling)
- Fresh Air Purification Systems (HRV, ERV, Air Purifiers)
- Fan Filter Units (FFU)
- Industrial Manufacturing
- Medical Equipment
- Refrigerated Cabinets
- Rail Transportation
- Home Appliances
- Machinery & Systems
- Equipment Cooling Systems
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.
Contact LONGWELL for reliable and energy-efficient air power solutions. We offer a diverse range of product series, providing comprehensive fan solutions for various industries.