4412 N ebm-papst: The 12V Slim Standard
The 4412 N is the quintessential 120mm computer and equipment fan, setting the industry standard for the 119 mm x 119 mm x 25 mm form factor. Part of the ebm-papst 4400 series, this fan operates on a nominal 12 VDC supply. It is ubiquitous in the IT and telecommunications sectors, found in everything from server chassis and network switches to medical power supplies. The «N» designation indicates a standard speed curve, offering an optimal balance between airflow volume and acoustic noise, making it suitable for office environments as well as industrial floors.
Key Technical Characteristics
- Size: 119 x 119 x 25 mm.
- Voltage: 12 VDC (Range 8 – 15 VDC).
- Airflow: 160 m³/h.
- Power: 4.3 W.
- Noise: 43 dB(A).
- Connection: 2 Wire leads (Red/Blue) or Plug.
Engineer’s Maintenance Guide
Lifecycle State: Active. Diagnosis: Failure modes usually involve bearing noise. While ebm-papst uses high-quality ball bearings (Sinotec in some revisions), continuous 24/7 operation will eventually wear them out after 5-7 years. If the fan stops, check the 12V rail. Installation Advice: The 25mm depth fits into standard 1U/2U rack spaces and tight electronic enclosures. Ensure the airflow direction arrow on the housing points towards the heat source (or exhaust, depending on design). Compatibility: Perfectly suited for motherboard headers or simple 12V DC adapters. It is often used to retrofit older, noisier fans in legacy equipment. It features electronic protection against reverse polarity, saving the motor if wired incorrectly during a rush repair.
| Feature | Specification |
|---|---|
| Speed | 2900 RPM |
| Weight | 0.175 kg |
| Temp Range | -20°C to +75°C |
| Insulation | Class B |
Pro-Tip
The 4412 N is often counterfeited due to its popularity. We supply only genuine ebm-papst units, ensuring the specific P-Q curve and noise ratings are met.
We can serve you this part in record time. Contact us now and our technicians will quote this part for you.
