The R2S133-AE77-27 from EBM-Papst is a compact centrifugal fan with a backward-curved impeller, designed for efficient and quiet air circulation. The fan is powered by a single-phase 115 V AC motor and delivers an airflow of up to 280 m³/h. With its compact 133 mm housing and flexible mounting position, it is suitable for a wide range of applications.
The fan is well-suited for ventilation and cooling solutions in industrial and appliance construction, where operational reliability and compact design are crucial.
- Airflow: 280 m³/h
- Voltage: 115 V AC, 50/60 Hz
- Speed: 2790/3150 rpm
- Power: 35 W
- Protection class: IP22
- Ball bearings for long service life
- Internal thermal overload protection (TOP)
- Impeller made of glass-fiber reinforced PA6 plastic with 7 backward-curved blades
At Reserv, you can purchase original EBM-Papst parts with reliable delivery. We stock a wide range of products through our wholesaler and ensure you quickly receive the right part. See the datasheet on the product page for complete technical information.
Technical specifications
Datasheet (PDF) - download| Product attribute | Value |
|---|---|
| Airflow at 0 Pa | 280 m³/h |
| Speed | 2790/3150 rpm |
| Power | 35 W |
| Frequency | 50/60 Hz |
| Voltage | 115 V AC VAC |
| Motor frame | The fan is designed for installation in any position. The enclosure class is IP22 and depends on installation and position-dependent factors. An accessory inlet sleeve (09566-2-4013) is available as an option but is not included in the delivery. The maximum allowed screw play is 5 mm. |
| Casing | 133 mm centrifugal fan |
| Impeller | The fan impeller is of the backward-curved type with a single inlet and has 7 blades. It is made of glass fiber reinforced PA6 plastic for good strength and low weight. The fan impeller's diameter is 133 mm and it rotates clockwise when viewed towards the rotor. Condensate drain holes are located on the rotor side. |
| Bearing type | ball bearing |
| IP class | IP22 |
| Motor protection | Thermal overload protector (TOP), internally connected |
| Motor code | M2S052-CA |
| Rotation direction | clockwise, viewed from the rotor |
| Motor type | The motor is a single-phase AC motor with the designation M2S052-CA and is operated at 115 V AC. It has insulation class B and is equipped with an internal thermal overload protector (TOP). The motor is fitted with ball bearings for long life and reliable operation. The operating modes allow continuous operation (S1) and the motor can withstand ambient temperatures up to +80 °C during transport/storage. |
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