The 634NU-004 from EBM-Papst is a compact DC axial fan with a wall ring, designed for demanding environments where a high ingress protection rating is crucial. Measuring 60 x 60 x 25 mm, the fan is equipped with a robust EC-inspired DC motor, designated VWCD060XJEFS. With an IP68 rating and stainless steel bearings, it effortlessly withstands moisture, dust, and challenging operating conditions.
Thanks to its wide voltage range of 12–30 V DC, the 634NU-004 is ideal for industrial electronics, cooling control cabinets, and other applications where reliability and a long service life are essential. Its optional mounting direction and small size make it easy to integrate into existing designs.
- Voltage range: 12–30 V DC (nominal 24 V)
- Airflow: up to 40 m³/h
- Max static pressure: 98 Pa
- Speed: 5,900 rpm
- Sound pressure level: 34 dB(A)
- Ingress protection rating: IP68
- Estimated lifespan: 85,000 hours (L10 at 40 °C)
- Built-in reverse polarity protection and automatic restart upon locked rotor
At Reserv, you'll find genuine EBM-Papst parts stocked by wholesalers for fast delivery. You can rest assured that you'll receive the correct component—every time. See the datasheet on the product page for full technical information.
Technical specifications
Datasheet (PDF) - download| Product attribute | Value |
|---|---|
| Airflow at 0 Pa | 40 m³/h |
| Speed | 5900 rpm |
| Power | 1.7 W |
| Voltage | 24V DC VAC |
| Motor frame | The housing is made of plastic and measures 60 x 60 x 25.4 mm. Mounting is performed using mounting flanges with ISO 4762 M4 screws without washers or additional support. The maximum mounting torque is 30 Ncm in the cable outlet corners and 70 Ncm in the other corners. |
| Casing | plastic, square |
| Impeller | The fan impeller is made of plastic and designed for axial airflow with air discharge over struts. At nominal voltage and free airflow, a maximum flow of 40 m³/h and a maximum static pressure of 98 Pa are achieved. The optimal operating point is 33 m³/h and 21 Pa. |
| Bearing type | stainless steel bearing |
| IP class | IP68 |
| Motor code | VWCD060XJEFS |
| Rotation direction | clockwise |
| Motor type | The motor is a DC motor with a nominal voltage of 24 V and a voltage range of 12–30 V. The power consumption at free air flow is 1.7 W at nominal voltage. The motor has built-in reverse polarity protection via a rectifier diode and automatic restart in case of a locked rotor. The lifespan is estimated at 85,000 hours (L10) at 40 °C ambient temperature. |
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