K3G450-PA31-03/G02 ebm-papst Centrifugal Fan

Brand :: ebmpapst

Model:: K3G450-PA31-03/G02 | ebm-papst 3~380-480V 4450W EC Centrifugal Fan for Air Handling

Type:: Centrifugal Fans

Industry:: HVAC & Ventilation

Description:: Selected for Air Handling, the ebm-papst K3G450-PA31-03/G02 is a 380-480V EC backward-curved centrifugal fan, featuring a listed pressure capability of 1,600 Pa. It supports replacement and design review.

Datasheet:: K3G450-PA31-03/G02 | ebm-papst 3~380-480V 4450W EC Centrifugal Fan for Air Handling Datasheet (Pdf)

Product Features

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

Product Features

High Static Airflow

The ebm-papst K3G450-PA31-03/G02 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-PA31-03/G02 should be checked for wiring, mounting, duty point and ambient limits before selection.

Application Industry

HVAC Systems

The K3G450-PA31-03/G02 ebm-papst fan is used in HVAC equipment to move air through internal passages and heat-exchange sections, supporting ventilation, temperature control and dependable system operation.

Product Insights

AC to EC Replacement — K3G Compact EC Centrifugal

The ebm-papst K3G450-PA31-03/G02 from the Compact EC Centrifugal series is a direct energy-saving replacement for legacy AC fans including R4D, R2D. Key benefits:

35-50% energy savings — EC motor variable speed matches airflow demand precisely
Identical mm mounting — no ductwork modification needed
0-10V/PWM speed control — integrates with Building Management Systems
40,000+ hour bearing life — double the typical AC fan lifespan

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.

K3G Series Comparison — K3G450-PA31-03/G02 vs Variants

How the K3G450-PA31-03/G02 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.

Typical Applications — K3G450-PA31-03/G02 Compact EC Centrifugal

Data Center CRAH/CRAC Units: The K3G450-PA31-03/G02 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.

Frequently Asked Questions

What performance data is available for the K3G450-PA31-03/G02?

The supplied table lists 14,310 m³/h, 1,600 Pa, 2,480 rpm; use the exact datasheet for the complete operating curve.

What supply voltage does the K3G450-PA31-03/G02 require?

The supplied table lists 380-480V. Verify supply type, frequency, wiring and permissible tolerances before commissioning.

Is the K3G450-PA31-03/G02 suitable for high-reliability cooling?

It can be evaluated for demanding service using the documented ratings, installation limits and preventive-maintenance plan for the application.

Does the K3G450-PA31-03/G02 support speed control?

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.

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K3G450-PA31-03/G02 ebm-papst Centrifugal Fan

Product Features

Product Features

High Static Airflow

Application Industry

HVAC Systems

Product Insights

AC to EC Replacement — K3G Compact EC Centrifugal

K3G Series Comparison — K3G450-PA31-03/G02 vs Variants

Typical Applications — K3G450-PA31-03/G02 Compact EC Centrifugal

Frequently Asked Questions

What performance data is available for the K3G450-PA31-03/G02?

What supply voltage does the K3G450-PA31-03/G02 require?

Is the K3G450-PA31-03/G02 suitable for high-reliability cooling?

Does the K3G450-PA31-03/G02 support speed control?

Related Products

K3G310-PH38-32 | ebm-papst 3~380-480VAC 1800W 310mm EC Centrifugal Fan for HVAC systems

K3G133-RA01-03 | ebm-papst 230VAC 27W EC Centrifugal Fan for air handling and HVAC systems

K3G280-RR04-H9(1PH8912-1BC80-2AA0) | ebm-papst 230VAC 520W EC Centrifugal Fan for HVAC systems

K3G250-AI27-05 | ebm-papst 220-240VAC 165W EC Centrifugal Fan for air handling and HVAC systems

K3G560-HE07-01 | ebm-papst 3~380-480VAC 12000W 560mm EC Centrifugal Fan for HVAC systems

K3G400-HB41-01 | ebm-papst 3~380-480VAC 6000W 400mm EC Centrifugal Fan for HVAC systems

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