The 3258J/2H3PU from EBM-Papst is a compact DC tube axial fan, measuring 92×92×38 mm, designed for demanding environments where reliability and sealing are crucial. The fan delivers up to 269 m³/h at 7,450 rpm and is fully encapsulated to IP68 – the electronics and windings are completely potted for permanent immersion in water.
Thanks to its IP68 rating and robust housing made of glass-fiber reinforced PBT composite, the fan is ideal for industrial applications, outdoor environments, and equipment exposed to moisture, dust, or chemicals.
- Voltage: 48 V DC (range 36–56 V)
- Airflow: 269 m³/h (158 CFM) at 7,450 rpm
- Power: 33.6 W
- Protection class: IP68
- Bearing type: ball bearing
- Sound pressure: 64 dB(A)
- Motor protection: reverse polarity and locked rotor protection
- Electrical connection: cable 310 mm, AWG 24, stripped and tinned
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Technical specifications
Datasheet (PDF) - download| Product attribute | Value |
|---|---|
| Airflow at 0 Pa | 269 m³/h |
| Speed | 7,450 rpm |
| Power | 33.6 W |
| Voltage | 48 V DC VAC |
| Motor frame | The casing is made of glass fiber reinforced PBT composite, measuring 92 x 92 x 38 mm. The fan is equipped with support struts that direct the airflow in the exhaust direction. Connection is made via 310 mm long cables, AWG 24, stripped and tinned. The unit is UL approved and meets IP68 class for permanent submersion in water. |
| Casing | glass-fiber-reinforced PBT composite, square 92x92x38 mm |
| Impeller | The fan impeller is made of glass-fibre-reinforced PA composite for high strength and chemical resistance. It rotates clockwise when viewed from the rotor side and is designed to direct air axially over the struts. The fan impeller provides an airflow of 158 CFM (approx. 269 m³/h) at 7450 rpm. |
| Bearing type | ball bearing |
| IP class | IP68 |
| Motor protection | reverse polarity and interlocking protection |
| Motor code | 3258 J/2H3PU |
| Rotation direction | clockwise, seen from the rotor |
| Motor type | The motor is a DC motor with reverse polarity and lock protection. It is fully encapsulated to IP68 standard, meaning that the electronics and windings are completely potted. The motor is rated for 48 V DC with a voltage range of 36–56 V and has an input power of 33.6 W. The operating temperature range is -20 to +70 °C. |
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