Used in Air Handling, the ebm-papst K3G450-PB29-N1 is a 380-480V EC backward-curved centrifugal fan, noted for a listed pressure capability of 2,100 Pa. This supports duty-point selection.
| Rated Voltage(V) | 3`380-480 |
|---|---|
| Size(mm) | 450 |
| Max.Air Flow(m³/h) | 16500 |
| Max.Pressure(Pa) | 2100 |
| Input Power(W) | 6800 |
| Speed(rpm) | 2800 |
| Noise(db) | 68 |
The ebm-papst K3G450-PB29-N1 is an EC centrifugal blower for hvac systems, providing directed airflow in enclosures and cooling assemblies.
Data includes 3`380-480 V operation, airflow up to 16500 m³/h and pressure up to 2100 Pa for matching airflow to system resistance. The datasheet lists ball-bearing support, IP55 protection, PWM/0-10 V/MODBUS speed control for durable motor support. Listed noise is 68 dB at the stated test point. Correct electrical selection and clear inlet spacing support efficient cooling, reliable operation and long fan life.
Suitable for OEM engineers, manufacturers and maintenance buyers, the K3G450-PB29-N1 should be checked for wiring, mounting, duty point and ambient limits before selection.
The ebm-papst K3G450-PB29-N1 from the Compact EC Centrifugal series is a direct energy-saving replacement for legacy AC fans including R4D, R2D. Key benefits:
K3G EC fans operate at V with W rated power. When replacing AC models, wire the 0-10V control signal alongside the standard three-phase power cable.
How the K3G450-PB29-N1 compares to nearby K3G series variants:
| Model | K3G097-AK34-43 | K3G190-RD45-03 | K3G250-AV29-B2 | K3G250-PR17-W9 |
|---|---|---|---|---|
| Air Flow | 1195 m³/h | 524 m³/h | 3120 m³/h | 2405 m³/h |
| Power | 325 W | 169 W | 750 W | 1160 W |
| Noise | — dB | — dB | 63 dB | — dB |
| Size | 97 mm | 190 mm | 250 mm | 250 mm |
All K3G series fans from Hengrui include performance curves, mounting instructions and factory warranty. Contact us for project-specific selection.
Data Center CRAH/CRAC Units: The K3G450-PB29-N1 delivers reliable cooling for Computer Room Air Handling with 24/7 uptime. EC motor enables precise temperature control.
AHU Air Handling: Engineered for integration into Air Handling Units.
Industrial Process Ventilation: Machinery cooling, enclosure ventilation and process air movement. Hengrui provides custom engineering support.
It can be evaluated for demanding service using the documented ratings, installation limits and preventive-maintenance plan for the application.
Continuous operation must remain within the published electrical, thermal and aerodynamic limits; confirm the exact datasheet and system conditions.
Correct sizing and operation within documented limits can reduce avoidable thermal stress and maintenance events; project savings require duty-cycle analysis.
It is listed for Air Handling. Confirm voltage, duty point, dimensions and mounting against the equipment requirements before selection.

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