Fans
Fans R2D270-AB12-09 ebmpapst centrifugal blower 400V 375/560W 270mm
Centrifugal blower with external-rotor motor delivers up to 35,000 m³/h airflow at 400 V, 50/60 Hz, in a compact 270 mm steel housing
- 400 V three-phase power suits industrial supplies
- 2710 rpm at 50 Hz or 2980 rpm at 60 Hz for variable-speed needs
- External-rotor motor gives compact design and forced electronic cooling
- Operates from –25 °C to +80 °C in harsh environments
- Air flow up to 35 000 m³/h for high-volume cooling
Industrial Centrifugal Blower 270mm
The ebmpapst R2D270-AB12-09 is a three-phase centrifugal blower built for 400 VAC industrial systems. Its external-rotor motor sits inside the impeller, giving a compact footprint and direct motor cooling. The unit delivers airflow up to 35000 m³/h and operates from -25 °C to 80 °C at 50 Hz or -25 °C to 56 °C at 60 Hz.
Replacement For Worn AC Blowers
This model replaces failed or ageing 270 mm AC centrifugal blowers in HVAC cabinets, inverter enclosures and Siemens drive cooling ducts. The jump is worth it when the existing fan shows rising current draw, bearing noise or reduced static pressure at 2710 rpm (50 Hz) or 2980 rpm (60 Hz). It is not for builders who need EC-speed-control or variable-frequency-drive integration without additional hardware.
Drop-In Mount With Standard Wiring
The blower fits existing 270 mm cut-outs and uses a standard Y-wiring three-phase connection drawing 0.68 A at 50 Hz and 0.91 A at 60 Hz. Installation typically fails when the supply voltage drifts above 400 VAC, when duct back-pressure exceeds design limits, or when ambient temperature surpasses the 80 °C / 56 °C limits for the respective frequency.
Highlights
- 400 V three-phase power suits industrial supplies
- 2710 rpm at 50 Hz or 2980 rpm at 60 Hz for variable-speed needs
- External-rotor motor gives compact design and forced electronic cooling
- Operates from –25 °C to +80 °C in harsh environments
- Air flow up to 35 000 m³/h for high-volume cooling
Specifications
No published specifications for this item yet.
Questions about this item
What are the physical dimensions of the R2D270-AB12-09 blower?
The impeller diameter is 270 mm. The motor is an external-rotor design integrated inside the impeller, giving a compact footprint without a separate motor housing.
How is the R2D270-AB12-09 wired for 400 V three-phase supply?
Connect the three supply lines in a Y (star) configuration to the motor terminals; the nameplate shows 0.68 A at 50 Hz and 0.91 A at 60 Hz, so size the circuit breaker accordingly.
What is the maximum ambient temperature the R2D270-AB12-09 can operate in continuously?
The unit is rated for up to 80 °C at 50 Hz and 56 °C at 60 Hz; the minimum ambient is –25 °C for both frequencies.
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