W4D400-CP12-31 ebm-papst 400mm 3-Phase Axial Fan

W4D400-CP12-31: Heavy Duty Three-Phase Ventilation

The W4D400-CP12-31 is a powerhouse in the ebm-papst axial fan lineup, specifically designed for 3-phase industrial power systems. With a 400mm diameter, this fan is a critical component for large-scale heat exchangers, dry coolers, and heavy industrial machinery cooling. The 3-phase motor (M4D094-EA) provides exceptional torque and efficiency, allowing for consistent operation even in environments with fluctuating static pressure. The fan is housed in a robust wall ring, making it a «plug-and-play» solution for ventilation shafts or machine housings. Its construction is built to withstand the rigorous demands of 24/7 industrial production cycles, ensuring maximum uptime for critical infrastructure.

Technical Specifications

  • Diameter: 400 mm.
  • Voltage: 230/400 VAC (3-phase Delta/Star).
  • Input Power: 230W – 350W.
  • Airflow: Approx 3800 – 4200 m3/h.
  • Insulation Class: F (High temperature resistance).

Maintenance & Technical Support

Lifecycle State: Active. This is a vital part for large-scale thermal management in the UK industrial sector. Diagnosis: For maintenance engineers, it is crucial to monitor the current draw across all three phases. An imbalance often indicates a winding issue or a failing motor starter. Installation Advice: Due to its 3-phase nature, verify the direction of rotation upon commissioning; if incorrect, swap two phases at the terminal block. Compatibility: Perfectly suited for Siemens TIA Portal and WinCC controlled environments. It integrates seamlessly with frequency inverters (VFDs) for precise airflow modulation, which is essential for energy optimization in large facilities.

Feature Technical Data
Nominal RPM 1430 RPM
Weight 8.5 kg
IP Rating IP54 (Dust and Splash resistant)
Ambient Temp -40°C to +80°C

Pro Maintenance FAQ

How do I ensure the longest life? Check the terminal box seals during every scheduled shutdown. Moisture ingress is the leading cause of winding failure in IP54 rated fans.

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