The W4S250-CA02-01 from EBM-Papst is a robust axial fan with a wall ring, designed for demanding ventilation applications. The fan comes in a round casing made of galvanized steel sheet with a black plastic coating (RAL9005) and measures 320 × 93 mm. With an airflow of up to 870 m³/h and IP44 protection, it is ideal for industrial environments.
The fan is a reliable choice for ventilation systems, air handling units, and heat recovery where continuous operation and high performance are required.
- Airflow: 870 m³/h
- Voltage: 230 V AC, 50/60 Hz
- Power: 72 W
- Speed: 1,400/1,620 rpm
- Protection class: IP44
- Ball bearing for long service life
- Thermal overload protection (TOP), internally wired
- 5-blade sheet metal impeller with round full nose
At Reserv, EBM-Papst products are stocked by our wholesaler, ensuring quick delivery of original parts. You can shop with confidence – we always deliver genuine components with a full quality guarantee. See the datasheet on the product page for complete technical information.
Technical specifications
Datasheet (PDF) - download| Product attribute | Value |
|---|---|
| Airflow at 0 Pa | 870 m³/h |
| Speed | 1400/1620 rpm |
| Power | 72 W |
| Frequency | 50/60 Hz |
| Voltage | 230V AC VAC |
| Motor frame | The fan is supplied with a steel guard grille coated with black plastic (RAL9005). The standard mounting position is with the shaft horizontal or the rotor downwards; mounting with the rotor upwards can be ordered. Condensate drainage holes are located on the rotor side. The fan weighs 2.84 kg and has a size of 250 mm. |
| Casing | sheet metal, galvanized and coated with black plastic (RAL9005), round |
| Impeller | The impeller has 5 straight blades (A-series) made of sheet metal, painted black. The rotor surface is also painted black. The airflow direction is V and the rotation direction is counter-clockwise when looking at the rotor. The fan is designed for axial air movement and is supplied with a round full nozzle made of galvanized sheet metal and coated with black plastic (RAL9005). |
| Bearing type | ball bearing |
| IP class | IP44 |
| Motor protection | thermal overload protection (TOP), internally connected |
| Motor code | M4S068-CF |
| Rotation direction | counter-clockwise, looking at the rotor |
| Motor type | The motor is a single-phase AC motor, type M4S068-CF, with a rated voltage of 230 V AC and a frequency of 50/60 Hz. Power consumption is 72 W at 50 Hz and 67–75 W at 60 Hz. The motor is equipped with an internally connected thermal overload protector (TOP) and has insulation class B. The operating mode is S1 (continuous operation), and the minimum permissible ambient temperature for the motor is -25 °C during operation and -40 °C during transport/storage. |
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