The 3258J/2HHPU is a compact tubeaxial DC fan from EBM-Papst, measuring 92 × 92 × 38 mm. It is built for demanding environments thanks to its IP68 ingress protection rating, where both the electronics and windings are fully encapsulated for maximum protection against moisture and dust.
The fan is ideal for industrial applications, outdoor environments, and systems where high reliability is crucial. Its compact size makes it easy to integrate into existing designs.
- Voltage: 48 V DC (permissible range 36–56 V)
- Airflow: 389 m³/h
- Speed: 6,650 rpm
- Power: 24.3 W
- Ingress protection: IP68 – fully encapsulated electronics and windings
- Bearing type: ball bearing
- Sound pressure: 59 dB(A)
- Motor protection: reverse polarity and locked rotor protection
- Housing: fiberglass-reinforced PBT composite, 92 × 92 × 38 mm
- Electrical connection: cable 310 mm, AWG 24, stripped and tin-plated
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Technical specifications
Datasheet (PDF) - download| Product attribute | Value |
|---|---|
| Airflow at 0 Pa | 389 m³/h |
| Speed | 6650 rpm |
| Power | 24.3 W |
| Voltage | 48 V DC VAC |
| Motor frame | The housing is made of glass-fiber-reinforced PBT composite and measures 92 x 92 x 38 mm. The fan belongs to the 3250 JU series and is UL-approved. The mounting position is not specified in the datasheet. |
| Casing | glass fiber reinforced PBT composite, 92 x 92 x 38 mm |
| Impeller | The fan impeller is made of glass fiber reinforced PA composite. The air is exhausted over the struts. The direction of rotation is clockwise when viewed from the rotor side. At nominal voltage, a speed of 6650 rpm is achieved with an airflow of 138 CFM (approx. 234 m³/h). |
| Bearing type | ball bearing |
| IP class | IP68 |
| Motor protection | reverse polarity and interlocking protection |
| Rotation direction | clockwise, viewed from the rotor side |
| Motor type | The motor is a DC motor with reverse polarity protection and a lock-rotor protection. It is fully encapsulated according to the IP68 standard, which means that the electronics and windings are completely potted for maximum protection against moisture and dust. The operating voltage is 48 V DC with an allowed voltage range of 36–56 V. The operating temperature range is -20 to +70 °C. |
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