

Selected for Renewable Energy, the ebm-papst K3G250-AV29-B4 is a 200-277V EC backward-curved centrifugal fan, with a focus on a listed acoustic value of 57 dB. This assists electrical and mechanical review.
| Rated Voltage(V) | 1~ 200-277 |
|---|---|
| Size(mm) | 250 |
| Max.Air Flow(m³/h) | 3120 |
| Max.Pressure(Pa) | 1050 |
| Input Power(W) | 750 |
| Speed(rpm) | 3450 |
| Noise(db) | 57 |
The ebm-papst K3G250-AV29-B4 is an EC centrifugal blower for industrial cooling, providing directed airflow in enclosures and cooling assemblies.
Data includes 1~ 200-277 V operation, airflow up to 3120 m³/h and pressure up to 1050 Pa for matching airflow to system resistance. The datasheet lists ball-bearing support, IP54 protection, PWM/0-10 V/MODBUS speed control for durable motor support. Listed noise is 57 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 K3G250-AV29-B4 should be checked for wiring, mounting, duty point and ambient limits before selection.
Correct sizing and operation within documented limits can reduce avoidable thermal stress and maintenance events; project savings require duty-cycle analysis.
Continuous operation must remain within the published electrical, thermal and aerodynamic limits; confirm the exact datasheet and system conditions.
It can be evaluated for demanding service using the documented ratings, installation limits and preventive-maintenance plan for the application.
The supplied comparison identifies a listed acoustic value of 57 dB; review it together with the other listed ratings rather than as a standalone selection criterion.

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