

Designed for Air Handling, the ebm-papst K3G450-PA31-61 is a 380-480V EC backward-curved centrifugal fan, featuring a listed pressure capability of 1,600 Pa. It supports replacement and design review.
| Rated Voltage(V) | 3`380-480 |
|---|---|
| Size(mm) | 450 |
| Max.Air Flow(m³/h) | 14310 |
| Max.Pressure(Pa) | 1600 |
| Input Power(W) | 4450 |
| Speed(rpm) | 2480 |
| Noise(db) | 78 |
The ebm-papst K3G450-PA31-61 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 14310 m³/h and pressure up to 1600 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 78 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-PA31-61 should be checked for wiring, mounting, duty point and ambient limits before selection.
Match required airflow and pressure on the exact performance curve, then verify voltage, power, dimensions and environmental limits.
Provide service access, keep the airflow path clean, inspect wiring and mounting, and investigate abnormal noise or vibration before continued use.
The workbook marks the product RoHS Compliant. Obtain the exact-model declaration and any project-specific approvals required by the destination market.
The table lists 78 dB. Use unobstructed airflow, secure mounting and suitable isolation where required.

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