The W4D250-CH40-01 from EBM-Papst is a robust axial fan with a wall ring for demanding ventilation applications. The fan comes in a 250 mm size with a compact housing of 320×320×98 mm and is powered by a three-phase AC motor, type M4D068-CF. With an airflow of 1,030 m³/h and an IP44 protection rating, it is ideal for industrial environments where reliability is crucial.
The fan is aimed at installers and maintenance technicians in ventilation, refrigeration, and air conditioning. It can be connected in delta at 230 V or star at 400 V, offering great flexibility during installation.
- Airflow: 1,030 m³/h
- Voltage: 230/400 V AC, 50/60 Hz
- Speed: 1,400/1,600 rpm
- Power: 23 W (50 Hz)
- Protection class IP44
- Ball bearings for long service life
- 7 sickle-shaped sheet metal blades, black painted
- Housing made of galvanized steel sheet coated with black plastic (RAL9005)
At Reserv, we stock original EBM-Papst parts through established wholesalers, so you can count on fast delivery and the right quality directly to your door. See the datasheet on the product page for complete technical information.
Technical specifications
Datasheet (PDF) - download| Product attribute | Value |
|---|---|
| Airflow at 0 Pa | 1030 m³/h |
| Speed | 1400/1600 rpm |
| Power | 23 W |
| Frequency | 50/60 Hz |
| Voltage | 230/400 V AC VAC |
| Motor frame | The fan is delivered with a fan housing made of galvanised sheet metal coated with black plastic (RAL9005) and a protective grille made of steel coated with black plastic (RAL9005). The fan size is 250 mm and it weighs 3 kg. Condensate drainage holes are located on the rotor side. The standard mounting position is shaft horizontal or rotor downwards; rotor upwards can be ordered on request. |
| Casing | sheet metal, galvanized and coated with black plastic (RAL9005), round |
| Impeller | The fan impeller is equipped with 7 S-series sickle-shaped blades. The blades are made of sheet metal and painted black. The rotor surface is also painted black. The airflow direction is type V, and the rotation is counter-clockwise when viewed towards the rotor. |
| Bearing type | ball bearing |
| IP class | IP44 |
| Motor code | M4D068-CF |
| Rotation direction | counter-clockwise, looking at the rotor |
| Motor type | The motor is a three-phase AC motor with the designation M4D068-CF, motor size 68. It can be connected in delta (Δ) at 230 V or star (Y) at 400 V and operates at 50 or 60 Hz with speeds of 1400 and 1600 rpm, respectively. Power consumption is 23 W at 50 Hz and 30 W at 60 Hz. The motor lacks factory-installed overheating protection and has insulation class B and operating mode S1. The permissible ambient temperature for the motor during operation is -25 °C to +80 °C. |
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