

Configured for Air Handling, the ebm-papst K3G280-RR04-I2 is a 200-277V EC backward-curved centrifugal fan, noted for a listed acoustic value of 68 dB. The data supports model-level evaluation.
| Rated Voltage(V) | 1~ 200-277 |
|---|---|
| Size(mm) | 250 |
| Max.Air Flow(m³/h) | 3450 |
| Max.Pressure(Pa) | 850 |
| Input Power(W) | 660 |
| Speed(rpm) | 2900 |
| Noise(db) | 68 |
The ebm-papst K3G280-RR04-I2 is an EC centrifugal blower for hvac systems, providing directed airflow in enclosures and cooling assemblies.
Data includes 1~ 200-277 V operation, airflow up to 3450 m³/h and pressure up to 850 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 K3G280-RR04-I2 should be checked for wiring, mounting, duty point and ambient limits before selection.
The supplied table lists 200-277V. Verify supply type, frequency, wiring and permissible tolerances before commissioning.
It can be evaluated for demanding service using the documented ratings, installation limits and preventive-maintenance plan for the application.
Control capability and input method must be confirmed in the exact-model datasheet and wiring diagram; do not infer them from the fan family alone.
Its EC backward-curved centrifugal fan configuration and a listed acoustic value of 68 dB provide model-specific criteria for matching Air Handling systems.

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