Technical Analysis: W2G115-AD15-01 ebm-papst
The W2G115-AD15-01 is a high-performance DC axial fan featuring a slightly larger form factor of 127mm x 127mm. This size allows for a significant increase in airflow compared to standard 119mm fans, making it ideal for cooling high-density component racks and server arrays. Like the W2G110 series, this model boasts a robust die-cast aluminum housing, ensuring stability and vibration resistance. Powered by a 24 VDC (nominal) brushless motor, it is designed for continuous duty in IT and industrial automation sectors where reliability is non-negotiable.
Key Technical Characteristics
- Dimensions: 127 x 127 x 38 mm.
- Voltage: 24 VDC.
- Airflow: Approx. 200 – 240 m³/h.
- Noise Level: Low noise relative to airflow (approx. 45-50 dB(A)).
- Bearing System: Precision ball bearings.
Field Guide for Maintenance Engineers
Lifecycle State: Active. A preferred spare part for legacy mainframe cooling and industrial PC cabinets. Diagnosis: If the fan is noisy, it is likely due to bearing wear after exceeding its L10 life expectancy (>50,000 hours). DC fans are sensitive to «ripple» in the power supply; ensure the 24V source is clean and regulated to prevent premature electronic failure. Installation Tips: The 127mm mounting hole pattern differs from the standard 119mm; ensure the cabinet cutout matches. Compatibility: This fan integrates seamlessly into systems controlled by Siemens S7-1200 or LOGO! 24V versions. It can be driven directly from the 24V auxiliary supply of a frequency drive to cool the drive’s heatsink locally.
| Feature | Specification |
|---|---|
| Speed | 2900 RPM |
| Input Power | 8 – 11 W |
| Weight | 0.6 kg |
| Insulation Class | Class E |
Pro-Tip
DC fans like the W2G115 series often maintain higher efficiency than their AC counterparts. Replacing an old AC fan with this DC version (plus a PSU) can reduce cabinet internal heat load.
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