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Silver metal centrifugal fan module with black painted rotor, grey grille guard, aluminum housing and galvanized steel bracket

Ebm-Papst

Ebm-Papst K3G250-RR17-H9 250 mm 400 V 3~ 4250 min-1 730 W industrial cooling fan

SKU CH-WRGM-2M968 MPN K3G250-RR17-H9

250 mm three-phase centrifugal fan runs at 4250 rpm with 730 W power draw and IP55 protection

  • TypeAXIAL COOLING FAN
  • Bearing TypeBall Bearing
  • RPM4250 min-1
  • IP55 protection resists dust and water jets
  • 400 V three-phase input with 380–480 V range
  • 4250 rpm at 730 W power consumption
  • Ball bearing motor rated for -25 °C to 60 °C operation
  • Galvanised steel guard grille in RAL 7032 finish

Three-phase 400 V centrifugal module

The Ebm-Papst K3G250-RR17-H9 is a 250 mm EC backward-curved centrifugal fan with an integrated support bracket. It runs on a three-phase 380–480 VAC supply at 50/60 Hz and draws 1.15 A at 730 W. The motor is rated IP55 and insulation class F for industrial environments.

Installers needing horizontal or rotor-down mounting

Suits engineers specifying a single-intake RadiCal module for ducted airflow in HVAC or machinery cabinets where the ambient temperature stays between -25 °C and 60 °C. Not for applications requiring rotor-up orientation without a custom request, or for single-phase and low-voltage power feeds.

4250 min-1 at 730 W

The fixed speed of 4250 min-1 and power draw of 730 W determine whether the fan meets the required duty point; verify the system curve matches this output before purchase.

Pontos fortes

  • IP55 protection resists dust and water jets
  • 400 V three-phase input with 380–480 V range
  • 4250 rpm at 730 W power consumption
  • Ball bearing motor rated for -25 °C to 60 °C operation
  • Galvanised steel guard grille in RAL 7032 finish

Especificações

BrandEbmpapst
ModelK3G250-RR17-H9
TypeAXIAL COOLING FAN
Bearing TypeBall Bearing
RPM4250 min-1

Perguntas sobre este artigo

What is included with the K3G250-RR17-H9 fan and what must be sourced separately?

The unit ships as a complete module with impeller, EC motor, die-cast aluminium electronics housing, galvanised steel support plate, die-cast aluminium support bracket, galvanised steel inlet nozzle and a coated steel guard grille. A mating connector for the cable hookup and any ducting or mounting hardware are not supplied.

The data sheet lists 400 VAC nominal with a 380–480 VAC range — which supply should I select?

Choose a three-phase supply that stays within the 380–480 VAC window at 50 or 60 Hz; the motor is rated for 400 VAC nominal, 730 W and 1.15 A, so any voltage in that range will deliver the stated 4250 min-1 speed.

What does the 730 W power figure mean once the fan is installed in a system?

It is the maximum electrical input the EC motor draws at 400 VAC, 4250 min-1 in free air; actual consumption will be lower if system resistance reduces airflow, and the IP55 rating ensures the electronics tolerate the same ambient range of -25 °C to +60 °C.

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