The 412/2H-048 from EBM-Papst is a compact DC tube axial fan, measuring 40 × 40 × 20 mm, designed for 12 V DC. The fan is excellent for electronics and control cabinets where space is limited but reliable cooling is required.
With a built-in tachometer output (open collector), the 412/2H-048 is a good choice for applications where speed monitoring is essential, such as in medical equipment, telecom equipment, or industrial electronics.
- Voltage: 12 V DC (range 6.0–12.6 V)
- Airflow: up to 12.5 m³/h
- Max static pressure: 50 Pa
- Speed: 7,000 rpm
- Power: 1.0 W | Rated current: 80 mA
- Noise level: 25 dB(A)
- Bearing type: sleeve bearing
- Motor protection: impedance protection + polarity protection diode
- Protection class: IP20 | Housing: plastic, 40 × 40 × 20 mm
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Technical specifications
Datasheet (PDF) - download| Product attribute | Value |
|---|---|
| Airflow at 0 Pa | 12.5 m³/h |
| Speed | 7000 rpm |
| Power | 1.0 W |
| Voltage | 12 V DC VAC |
| Motor frame | The fan is designed in a compact square plastic housing with dimensions of 40 × 40 × 20 mm and a weight of 0.027 kg. The mounting position is optional. The electrical connection is made via single wires (AWG 28) with a cable length of 310 mm (±10 mm). |
| Casing | plastic, square |
| Impeller | The fan impeller is made of plastic and moves air over the struts in the blowing direction. The direction of rotation is counter-clockwise when viewed from the rotor side. At a nominal speed of 7000 rpm, the fan impeller delivers a maximum free air flow of 12.5 m³/h and a maximum static pressure of 50 Pa. |
| Bearing type | plain bearing |
| IP class | IP20 |
| Motor protection | impedance protection |
| Rotation direction | counterclockwise (viewed from the rotor side) |
| Motor type | The motor is an electronically commutated DC motor designed for 12 V DC with a voltage range of 6.0–12.6 V. The rated power is 1.0 W and the rated current is 80 mA at nominal voltage. The motor has built-in impedance protection against blocking, as well as polarity reversal protection via a protective diode. An open collector tachometer output is included for speed monitoring. |
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