Description
The ebmpapst S4D400-AP12-37 is a high-performance, three-phase AC Axial Fan with a diameter measuring 400 mm. Operating on dual-voltage 230 V / 400 V AC power supplies at 50/60 Hz, the fan’s performance varies with frequency and voltage. At the primary 400V, 50Hz operating point (Y connection), it consumes 135 W and achieves a speed of 1450 RPM, delivering an immense free-air volume of 4010 m³/h (2360 CFM). The fan features sickled steel blades for optimized acoustics and is dynamically balanced for robust industrial applications like condenser cooling and refrigeration.
S4D400-AP12-37 Fan Parameters
Model: S4D400-AP12-37
Manufacturer: ebmpapst
Type: AC Axial Fan (Sickled Blades, S Series)
Dimensions: 400 mm (Fan Diameter)
Phase: 3~ (Three-Phase)
Nominal Voltage: 230 V / 400 V AC
Frequency: 50 / 60 Hz
Airflow: 4010 m³/h (2360 CFM) (400V, 50 Hz, Free Air)
Max. Static Pressure: 105 Pa / 0.42 inAq
Speed (at 400V, 50 Hz): 1450 min⁻¹
Speed (at 400V, 60 Hz): 1690 min⁻¹
Power Input (at 400V, 50 Hz): 135 W
Power Input (at 400V, 60 Hz): 185 W
Current Draw (at 400V, 50 Hz): 0.44 A
Current Draw (at 400V, 60 Hz): 0.39 A
Motor Bearing: Ball Bearing
Blade Material: Sheet steel, painted black
Rotor Surface: Painted black
Degree of Protection: IP44
Max. Ambient Temperature: 40 °C
Min. Ambient Temperature: -40 °C
Weight: 5.7 kg
Termination: Terminal Box
Protection Class: I (with protective earth connection)
Application
The S4D400-AP12-37 is an industrial-grade AC axial fan specifically designed for reliable, high-volume air transfer at medium pressure. It is primarily used as a condenser fan in refrigeration systems, heat pumps, and for general ventilation and cooling within large commercial and industrial equipment due to its robust construction, IP44 protection, and multi-frequency, multi-voltage capability.
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