Description
The ebmpapst R4E225-AI01-09 is an AC Centrifugal Fan with backward-curved blades, measuring approximately 225 mm in diameter and 63 mm in width, and is the core component of the Rittal SK 3149.007 Roof-mounted fan unit. Operating on a single-phase 230 V AC supply at 50/60 Hz, the fan provides high air performance with an unimpeded air throughput of 360 m³/h (at 50 Hz) and features a robust ball bearing system. Key electrical specifications include a power consumption of 40 W at 50 Hz and 45 W at 60 Hz, and a low maximum current draw of 0.2 A. With an IP44 protection rating and a wide operating temperature range from −25 °C to 50 °C, it is designed for reliable, continuous use in enclosure climate control and industrial air movement systems.
R4E225-AI01-09 Fan Parameters
Model: R4E225-AI01-09
Manufacturer: ebmpapst
Type: Centrifugal Fan, Backward-Curved
Motor: M4E068-CF
Nominal Voltage: 230 V AC
Frequency: 50/60 Hz
Phase: 1~
Speed: 1430 RPM (50 Hz) / 1700 RPM (60 Hz)
Power Consumption: 40 W (50 Hz) / 45 W (60 Hz)
Current Draw: 0.2 A
Airflow (Unimpeded): 360 m³/h (50 Hz)
Noise Level: 53 dB(A) (50 Hz)
Fan Size: 225 mm (Diameter)
Impeller Material: PA6 plastic, glass-fiber reinforced
Number of Blades: 11
Degree of Protection: IP44
Insulation Class: B
Motor Protection: Thermal Overload Protector (TOP) internally connected
Bearing Type: Ball Bearing
Capacitor: 1.5μF
Capacitor Voltage: 450 VDB
Max. Ambient Temperature: 50 °C
Min. Ambient Temperature: −25 °C
Protection Class: I
Application
The R4E225-AI01-09 is primarily used for enclosure climate control and industrial cooling and ventilation. Its most common application is as the integral radial fan component inside the Rittal SK 3149.007 Roof-mounted fan unit, which provides efficient air throughput for cooling industrial switchgear, IT, and control cabinets by venting heat from the top of the enclosure.
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