W20 IEC-standard three-phase induction motor is optimized specifically for Asian and global general industrial markets, evolved from mature W21 platform with cost-effective and reliable upgrades. Its power range covers 0.18kW to 355kW across frame sizes 80–355M/L, supporting 2/4/6/8 pole speeds and flexible B3/B5 mounting conversion.
Featuring IP55 standard protection, Class F insulation and IC411 TEFC cooling, the series offers IE2, IE3 and optional IE4 high-efficiency grades to meet global energy-saving regulations. Precision die-cast aluminum squirrel-cage rotor cuts vibration and operational noise, enabling stable S1 continuous running and seamless VFD-driven operation.
Certified with CE, CCC, EAC and CSA, W20 fits pumps, fans, conveyors and compressors widely in food, chemical, mining and HVAC industries. Optional space heaters, thermal protection and special shafts are available for dusty or humid harsh working environments.
1. Basic Technical Parameters
- Product Type: IEC standard three-phase cast iron low voltage induction motor
- Power Range: 0.18kW – 355kW
- Frame Size: IEC 80 – 355
- Pole Options: 2/4/6/8 poles
- Voltage: 380/415V, 660/690V (50Hz)
- Cooling Method: IC411 (TEFC Totally Enclosed Fan Cooled)
- Protection Class: IP55 (standard)
- Insulation Class: Class F
- Efficiency Grade: IE1 / IE2 / IE3 premium efficiency
- Duty Cycle: S1 continuous operation
- Mounting Type: B3, B5, B35 and other IEC standard mounting
2. Core Features
- Reliable Structure: Robust cast iron housing with anti-corrosion RAL7033 coating, durable for long-term industrial operation.
- Low Vibration & Low Noise: High-precision die-cast aluminum rotor and optimized air duct design ensure smooth and quiet running.
- Strong Adaptability: Standard IP55 protection and Class F insulation adapt to dusty, humid and harsh workshop environments.
- Excellent VFD Compatibility: Optimized winding design supports variable frequency drive operation for energy saving and speed regulation.
- Complete Certification: Approved by CE, CCC, EAC and other international certificates for global project delivery.
- Flexible Customization: Optional PTC thermal protection, space heater, special shaft and terminal box position for diverse industrial demands.
3. Application
WEG W20 series motors are widely applied in pumps, fans, compressors, conveyors and general mechanical equipment for HVAC, chemical, mining, food processing and other industrial fields.
