RH35B-2EK.6N.2R ZIEHL-ABEGG 230V AC Centrifugal Fan 350mm

Description

The ZIEHL-ABEGG RH35B-2EK.6N.2R is a High-Performance AC Centrifugal Fan with a fan diameter of 350 mm, designed as a motorized impeller with backward-curved blades. It operates on 230 VAC across a wide frequency range of 47 Hz−63 Hz. It features a variable speed of 2,870 RPM−3,300 RPM, Input Power ranging from 2.6 kW−4.1 kW and a Current Draw of 11.5 A−18 A. This fan is specifically used as a cooling fan for high power components in industrial frequency converters and inverter systems (e.g., Siemens Inverters), where high static pressure and high reliability are critical.

RH35B-2EK.6N.2R Fan Parameters
Model: RH35B-2EK.6N.2R
Manufacturer: ZIEHL-ABEGG
Type: AC Centrifugal Fan (Backward-Curved Blade)
Fan Diameter: 350 mm
Bearing Type: Ball Bearing
Nominal Voltage: 230 VAC
Phase: 1∼
Frequency Range: 47 Hz−63 Hz
Rated Input Range: 2.6 kW−4.1 kW
Rated Current Range: 11.5 A−18 A
Rated Speed Range: 2,870 RPM−3,300 RPM
Airflow (Approx. Max. Free Air Delivery): 5,000 m 3/h
Degree of Protection: IP10
Motor Protection: Thermal Contact
Impeller Material: Sheet Steel (Galvanized)
Motor/Impeller Design: Motorized Impeller (RH)
Motor: MK137−100
Noise Level: 73 dB
Max. Conveying Temperature: 70 ∘C
Min. Operating Temperature: −20 ∘ C

Application
The RH35B-2EK.6N.2R is a specialized radial fan primarily used for cooling high power electronics, such as IGBT modules, within large industrial frequency inverters and drives (e.g., Siemens Inverters). Its centrifugal design with backward-curved blades provides the necessary high static pressure to move air efficiently through tightly packed heat sinks and enclosures, ensuring system reliability and longevity.