The W4S250-CH02-01 from EBM Papst is a robust AC axial fan designed for demanding ventilation needs. With an airflow of up to 1,005 m³/h and a pre-galvanized sheet metal housing with black plastic coating, it delivers reliable performance in industrial environments. The fan is powered by a single-phase AC motor and is approved according to CE and EN60335-1.
The fan is excellently suited for ventilation systems, air handling units, and heat recovery where high airflow and operational reliability are crucial. Standard mounting is horizontal shaft or rotor down, with the option for rotor up on request.
- Airflow: 1,005 m³/h
- Voltage: 230 V AC, 50/60 Hz
- Power: 69 W (50 Hz) / 63 W (60 Hz)
- Speed: 1,390/1,600 rpm
- 7 sickle-shaped steel blades, black painted
- Ball bearings for long service life
- Protection class IP44
- Thermal overload protection (TOP), internally connected
At Reserv, you will find original parts from EBM Papst stocked by our wholesaler. This means fast delivery and reliable access to the right component — without compromise. See the datasheet on the product page for complete technical information.
Technical specifications
Datasheet (PDF) - download| Product attribute | Value |
|---|---|
| Airflow at 0 Pa | 1005 m³/h |
| Speed | 1390/1600 rpm |
| Power | 69 W |
| Frequency | 50/60 Hz |
| Voltage | 230V AC VAC |
| Motor frame | The fan casing is made of pre-galvanised sheet metal coated with black plastic and is supplied with a round full-nose nozzle. The protective guard is made of steel, phosphated and coated with black plastic. Condensate drainage holes are located on the impeller side. The standard installation position is shaft horizontal or impeller downwards; installation with the impeller upwards is possible on request. |
| Casing | sheet metal, pre-galvanized and coated with black plastic, round solid nose |
| Impeller | The impeller has 7 sheet metal blades, S-shaped, painted black. The rotor surface is painted black, and the fan size is 250 mm. The airflow direction is marked 'V', and the direction of rotation is counterclockwise when looking at the rotor. The maximum back pressure is 80 Pa at both 50 and 60 Hz. |
| 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 of AC type, single-phase, with a rated voltage of 230 V AC and a frequency of 50/60 Hz. At 50 Hz, the power consumption is 69 W and the current draw is 0.53 A; at 60 Hz, the power is 63 W and the current is 0.45 A. The motor has insulation class B and is equipped with internally connected thermal overload protection (TOP). The operating mode is S1, and the motor is approved according to CE and EN60335-1. |
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