RE20P-2DT.3F.5R Motor Fan

Description

 The RE20P-2DT.3F.5R is a 3-phase AC centrifugal fan with an external rotor motor, designed for high-efficiency airflow in systems with moderate to high resistance (ducts, filters, heat exchangers, etc.).It is part of the ZIEHL-ABEGG RE-series, known for compact, backward-curved impeller technology and high reliability in continuous operation.

Key Technical Specifications

FAQ 

1. What is the aerodynamic and electromechanical design principle of the RE20P-2DT.3F.5R Motor Fan?

The RE20P-2DT.3F.5R Motor Fan is engineered as a backward-curved centrifugal plug fan system integrated with an external rotor asynchronous motor, optimized for high static pressure ventilation applications and energy-efficient air transport in constrained duct architectures.

2. How does the RE20P-2DT.3F.5R Motor Fan achieve optimized pressure–flow performance characteristics?

The RE20P-2DT.3F.5R Motor Fan utilizes a aerodynamically optimized impeller geometry, enabling a stable pressure–volume curve with minimized flow separation losses, ensuring consistent volumetric airflow delivery under variable system resistance conditions.

3. What are the electrical operating parameters defined for the RE20P-2DT.3F.5R Motor Fan?

The RE20P-2DT.3F.5R Motor Fan operates under a three-phase AC supply architecture (typically 400 V, 50/60 Hz), with a nominal power input in the sub-kilowatt range (~0.75 kW class), and is designed for continuous-duty operation (S1 classification) under industrial load profiles.

4. What motor technology is implemented in the RE20P-2DT.3F.5R Motor Fan?

The RE20P-2DT.3F.5R Motor Fan integrates a high-efficiency external rotor motor topology, which enhances thermal dissipation, reduces axial installation footprint, and improves torque-to-inertia ratio for dynamic speed response.

5. What is the rotational speed behavior of the RE20P-2DT.3F.5R Motor Fan under standard frequency conditions?

The RE20P-2DT.3F.5R Motor Fan typically operates at approximately 2,500–3,100 RPM, depending on supply frequency (50 Hz or 60 Hz), maintaining stable aerodynamic efficiency across its operational envelope.

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