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Centrifugal fan with six blades 355mm diameter metal housing

Fans

Fans R4E355-AK05-05Motor centrifugal fan 230V 180-260W 355mm

SKU CH-BSX6-VM1AN MPN R4E355-AK05-05Motor

Centrifugal fan with 355 mm impeller, 230 V AC supply and 180–260 W power range

  • High airflow up to 35000 m³/h for powerful cooling
  • External rotor motor design enables compact installation
  • Sturdy steel plate construction ensures durability
  • 100 % speed control via analog or serial interface
  • Wide ambient temperature range from -25 °C to 65 °C

Industrial centrifugal fan

The ebm-papst R4E355-AK05-05Motor is a 230V AC centrifugal fan built for integration into fan-filter units and industrial cooling systems. Its external rotor motor sits inside the impeller for compact installation and direct motor cooling. The unit targets engineers specifying airflow for enclosures, cabinets or process equipment.

Steel housing and free-wheel mounting

A sturdy steel plate construction houses six backward-curved blades that run without a scroll housing. The 355mm blade diameter fits standard cut-outs, while the external rotor design keeps the motor in the airstream for continuous cooling. Ambient tolerance from -25 to 65 degrees Celsius supports year-round operation in unconditioned spaces.

Variable 180-260W power band

Power draw ranges from 180W to 260W with current between 0.8A and 1.14A, delivering 1440-1600 rpm and up to 35000 m³/h airflow. The wide operating window means the same model covers low and high-demand points, but buyers needing a fixed single-point rating or EC-speed control must verify compatibility before ordering.

Highlights

  • High airflow up to 35000 m³/h for powerful cooling
  • External rotor motor design enables compact installation
  • Sturdy steel plate construction ensures durability
  • 100 % speed control via analog or serial interface
  • Wide ambient temperature range from -25 °C to 65 °C

Specifications

No published specifications for this item yet.

Questions about this item

Does the 230 V AC supply limit speed control to the 1440-1600 r/min range?

The motor runs on 230 V AC and draws 0.8-1.14 A. Speed is factory-set between 1440 and 1600 r/min; the supplier notes 100 % speed control via analog or serial interface, so the range can be adjusted with a compatible controller.

What mounting clearance does the 355 mm impeller with six blades require?

The blade diameter is 355 mm and the unit uses a backward-curved, free-wheeling design that does not need a scroll housing. Allow at least the impeller diameter plus clearance for airflow on the intake side; no extra housing depth is required.

How is the fan wired, and which step is most often missed?

Connect the 230 V supply to the motor terminals rated for 0.8-1.14 A. The step most often missed is providing the separate analog or serial control signal needed to enable the 100 % speed-control feature; without it the fan runs at full fixed speed.

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