4112 N ebm-papst: The Industrial 12V Workhorse
The 4112 N is arguably the most recognizable industrial fan in the 120mm category. Part of the legendary 4100 N series, this **119 mm x 119 mm x 38 mm** axial fan sets the benchmark for airflow-to-noise ratio in 12V DC applications. It is engineered for continuous duty in demanding environments such as server racks, solar inverters, and network switchgear. Unlike cheaper consumer-grade fans, the 4112 N features a robust PBT housing and a precision-balanced impeller driven by an electronically commutated external rotor motor, ensuring consistent performance over years of operation.
Key Technical Characteristics
- Size: 119 x 119 x 38 mm.
- Voltage: 12 VDC (Range 6 – 15 VDC).
- Airflow: 160 – 180 m³/h.
- Power: 4.5 W.
- Noise: 44 dB(A).
- Connection: 2 single strands (AWG 24) or Flat Plug.
Engineer’s Maintenance Guide
Lifecycle State: Active. Diagnosis: If the fan stops, check the voltage at the terminals. ebm-papst DC fans have a cut-off threshold (usually < 6V). If voltage is present, the internal electronics may have failed due to a voltage spike. Installation Advice: The 38mm thickness is critical; it provides significantly more pressure than 25mm fans. Ensure your mounting screws are long enough (typically M4 x 45mm or M4 x 50mm). Compatibility: Ideal for replacing failed fans in older CNC machines or UPS units. It can be monitored via external airflow sensors connected to a Siemens LOGO! PLC input if the specific model lacks a tachometer wire.
| Feature | Specification |
|---|---|
| Nominal Speed | 2800 RPM |
| Weight | 0.39 kg |
| Temp Range | -20°C to +75°C |
| Protection | Electronic locked-rotor protection |
Pro-Tip
Always check the label for the exact suffix (e.g., 4112 N/2). If your original fan has 3 wires, you need the /2 (Tachometer) or /12 (Alarm) version. The plain «N» is usually 2-wire.
We can serve you this part in record time. Contact us now and our technicians will quote this part for you.
