Fan Type:: Double inlet centrifugal fan with forward‑curved blades (P‑series)
Model:: RD28P‑4DW.6L.1L (Article no.: 209 669A)
Rated Voltage:: 3~ 230/400 V AC ±10 % Δ/Y 50 Hz
Power Input:: approx. 2.8 kW
Current:: approx. 4.6 A (400 V) / 3.4 A (230 V)
Speed:: approx. 1260 rpm (50 Hz)
Air Flow:: approx. 7000 m³/h
Impeller Diameter:: 280 mm
Protection:: IP54
Thermal Class:: THCL155 (typical for Ziehl‑Abegg centrifugal fans)
Bearings:: Ball bearings with long‑life lubrication (typical)
Operating Temp Range:: approx. ‑20 °C to +40 °C
Sound Level:: up to approx. 92 dB(A) (varies by operating point)
Connection:: Terminal box mounted on stator
Weight:: approx. 34 kg