The S4S250-BA02-20 from EBM-Papst is a robust AC axial fan with an IP44 protection rating. The fan is powered by the single-phase motor M4S068-CF and is designed for 230 V AC at both 50 and 60 Hz. It is an excellent choice as a built-in component in demanding ventilation and air handling applications.
Thanks to its flexible mounting position and a steel guard grille with black plastic coating (RAL 9005), the fan is easy to integrate into existing systems. Ball bearings and a balanced fan impeller made of galvanized sheet metal ensure vibration-free and quiet operation over a long period.
- Voltage: 230 V AC (50/60 Hz)
- Speed: 1,400 rpm (50 Hz) / 1,620 rpm (60 Hz)
- Power: 72 W (50 Hz) / 67 W (60 Hz)
- Protection class: IP44
- Bearing type: Ball bearings
- Impeller: 250 mm, 5 blades of galvanized sheet metal
- Thermal overload protection (TOP), internally connected
- Flexible mounting position, weight 2.0 kg
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Technical specifications
Datasheet (PDF) - download| Product attribute | Value |
|---|---|
| Speed | 1400/1620 rpm |
| Power | 72/67 W |
| Frequency | 50/60 Hz |
| Voltage | 230V AC VAC |
| Motor frame | The fan is intended as a built-in component and is supplied with a black plastic-coated steel guard (RAL 9005). The mounting position is optional and the screws must be secured against accidental loosening, for example with self-locking screws. The strength class of the screws is 8.8. The fan's weight is 2.0 kg. |
| Impeller | The fan impeller has a diameter of 250 mm and is equipped with 5 blades made of galvanized sheet metal. The rotor surface is painted black. The airflow direction is A and the direction of rotation is clockwise when looking at the rotor. The fan impeller is balanced for smooth and vibration-free operation, and rotating parts are designed for a maximum of one million load cycles. |
| Bearing type | ball bearing |
| IP class | IP44 |
| Motor protection | Thermal overload protector (TOP), internally connected with cable laterally |
| Motor code | M4S068-CF |
| Rotation direction | clockwise, looking towards the rotor |
| Motor type | The motor is type M4S068-CF, a single-phase motor designed for 230 V AC at 50 or 60 Hz. At 50 Hz, the speed is 1400 rpm with a power consumption of 72 W and a current draw of 0.53 A. At 60 Hz, the speed is 1620 rpm with a power consumption of 67 W and a current draw of 0.46 A. The motor has insulation class B and operating mode S1 (continuous duty). Motor protection is provided by an internal thermal overload protector (TOP) connected laterally via cable, and the enclosure class is IP44. |
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