Siemens Ziehl-Abegg RH28M-2DK.3F.1R Centrifugal Fan Drive 460VAC

Description:

The Ziehl-Abegg RH28M-2DK.3F.1R is a high-performance centrifugal fan designed for inverter and drive cooling applications. It features an external rotor motor with a backward-curved impeller, delivering efficient airflow, high pressure capability, and reliable continuous-duty operation. This fan is commonly integrated into industrial drives such as Siemens VFD systems, providing consistent thermal management and protection of sensitive electronics.

Applications:

The Ziehl-Abegg RH28M-2DK.3F.1R centrifugal fan is used in Siemens variable frequency drives (VFDs), inverter cabinets, electrical enclosures, HVAC systems, and industrial automation equipment. It is commonly installed in drive systems where high airflow, efficient heat dissipation, and reliable cooling are critical to system performance.

Technical Specifications:

• Manufacturer Part Number (MPN): RH28M-2DK.3F.1R
• Product Type: Centrifugal Fan / Inverter Cooling Fan
• Voltage: 400–460 VAC (3-phase)
• Frequency: 50/60 Hz
• Power: ~0.53 / 0.86 kW
• Current: ~0.95 / 1.25 A
• Speed: ~2750–3220 RPM
• Fan Diameter: ~280 mm
• Airflow: ~2950 m³/h (typical)
• Motor Type: External rotor AC motor
• Impeller Type: Backward-curved centrifugal
• Protection Class: IP10
• Thermal Class: Class 155 insulation
• Function: Cooling and airflow for inverter/drive systems

Common Replacements:

• Ziehl-Abegg RH28M-2EK series
• Ziehl-Abegg RH31M series centrifugal fans
• ebm-papst equivalent centrifugal fans