

Intended for Air Handling, the ebm-papst K3G400-PA27-71 is a 380-480V EC backward-curved centrifugal fan, defined by a documented speed of 2,750 rpm. This helps guide installation planning.
| Rated Voltage(V) | 3`380-480 |
|---|---|
| Size(mm) | 400 |
| Input Power(W) | 3350 |
| Speed(rpm) | 2750 |
The ebm-papst K3G400-PA27-71 is an EC centrifugal blower for hvac systems, providing directed airflow in enclosures and cooling assemblies.
Data includes 3`380-480 V operation 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. Installed noise depends on the duty point and airflow path. 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 K3G400-PA27-71 should be checked for wiring, mounting, duty point and ambient limits before selection. Its documented operating data supports model comparison, replacement planning and purchasing review.
The ebm-papst K3G400-PA27-71 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.
K3G400-PA27-71 与 K3G 系列相近型号的参数对比如下:
| 型号 | K3G097-AK34-43 | K3G190-RD45-03 | K3G250-AV29-B2 | K3G250-PR17-W9 |
|---|---|---|---|---|
| 风量 | 1195 m³/h | 524 m³/h | 3120 m³/h | 2405 m³/h |
| 功率 | 325 W | 169 W | 750 W | 1160 W |
| 噪音 | — dB | — dB | 63 dB | — dB |
| 尺寸 | 97 mm | 190 mm | 250 mm | 250 mm |
恒瑞宏盛供应的 K3G 系列风机均附带性能曲线、安装说明和原厂质保。如需项目定制选型,请联系我们。
Data Center CRAH/CRAC Units: The K3G400-PA27-71 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.
Provide service access, keep the airflow path clean, inspect wiring and mounting, and investigate abnormal noise or vibration before continued use.
The supplied comparison identifies a documented speed of 2,750 rpm; review it together with the other listed ratings rather than as a standalone selection criterion.
It can be evaluated for demanding service using the documented ratings, installation limits and preventive-maintenance plan for the application.

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