K3G280-AK54-21 ebm-papst Centrifugal Fan

Brand :: ebmpapst

Model:: K3G280-AK54-21 | ebm-papst 3~380-480V 1030W EC Centrifugal Fan for Rail Transit

Type:: Centrifugal Fans

Industry:: Industrial Cooling

Description:: Used in Rail Transit, ebm-papst K3G280-AK54-21 is a 380-480V EC backward-curved centrifugal fan, defined by a listed acoustic value of 61 dB. The value helps verify equipment fit.

Datasheet:: K3G280-AK54-21 | ebm-papst 3~380-480V 1030W EC Centrifugal Fan for Rail Transit Datasheet (Pdf)

Product Features

Rated Voltage(V)	3`380-480
Size(mm)	280
Max.Pressure(Pa)	1100
Input Power(W)	1030
Speed(rpm)	3400
Noise(db)	61

Product Features

High Static Airflow

The ebm-papst K3G280-AK54-21 is an EC centrifugal blower for industrial cooling, providing directed airflow in enclosures and cooling assemblies.

Data includes 3`380-480 V operation and pressure up to 1100 Pa for matching airflow to system resistance. The datasheet lists ball-bearing support, IP54 protection, PWM/0-10 V speed control for durable motor support. Listed noise is 61 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-AK54-21 should be checked for wiring, mounting, duty point and ambient limits before selection.

Application Industry

Industrial Cooling

The K3G280-AK54-21 ebm-papst fan is used in industrial equipment cooling where continuous heat generation requires controlled airflow for equipment heat removal and stable system operation.

Product Insights

AC to EC Replacement — K3G Compact EC Centrifugal

The ebm-papst K3G280-AK54-21 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 — K3G280-AK54-21 vs Variants

How the K3G280-AK54-21 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 — K3G280-AK54-21 Compact EC Centrifugal

Data Center CRAH/CRAC Units: The K3G280-AK54-21 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 is the representative feature of the K3G280-AK54-21?

The supplied comparison identifies a listed acoustic value of 61 dB; review it together with the other listed ratings rather than as a standalone selection criterion.

How can noise be managed when using the K3G280-AK54-21?

The table lists 61 dB. Use unobstructed airflow, secure mounting and suitable isolation where required.

Does the K3G280-AK54-21 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.

Related Products

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Specified for Air Handling, the ebm-papst K3G097-AK34-67 is a 26 V EC backward-curved centrifugal fan, with 97 mm dimensions for installation planning. The rating aids system-fit checks.

K3G097-AK34-65 | ebm-papst 26V 394W EC Centrifugal Fan for Air Handling

Developed for Air Handling, the ebm-papst K3G097-AK34-65 is a 26 V EC backward-curved centrifugal fan, defined by 97 mm dimensions for installation planning. This helps guide installation planning.

K3G280-RR04-H9(1PH8912-1BC80-2AA0) | ebm-papst EC Centrifugal Fan for Air Handling Units

K3G280-RR04-H9(1PH8912-1BC80-2AA0) is a 230 VAC centrifugal fan for electronic equipment, heat pumps, equipment cooling. Its main supplied feature is a 280 mm size specified in the upload data. It also lists 1815 m³/h maximum airflow stated for this model. Review airflow path for motor selection.

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K3G355-RS02-H6 | ebm-papst EC Centrifugal Fan for Air Handling Units & Fan Arrays

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K3G280-AK54-21 ebm-papst Centrifugal Fan

Product Features

Product Features

High Static Airflow

Application Industry

Industrial Cooling

Product Insights

AC to EC Replacement — K3G Compact EC Centrifugal

K3G Series Comparison — K3G280-AK54-21 vs Variants

Typical Applications — K3G280-AK54-21 Compact EC Centrifugal

Frequently Asked Questions

What is the representative feature of the K3G280-AK54-21?

How can noise be managed when using the K3G280-AK54-21?

Does the K3G280-AK54-21 support speed control?

Related Products

K3G097-AK34-67 | ebm-papst 26V 394W EC Centrifugal Fan for Air Handling

K3G097-AK34-65 | ebm-papst 26V 394W EC Centrifugal Fan for Air Handling

K3G280-RR04-H9(1PH8912-1BC80-2AA0) | ebm-papst EC Centrifugal Fan for Air Handling Units

K3G250-AI27-05 | ebm-papst EC Centrifugal Fan for Air Handling Units & Fan Arrays

K3G355-RS02-H6 | ebm-papst EC Centrifugal Fan for Air Handling Units & Fan Arrays

K3G450-PB29-N1/F01 | ebm-papst 3~380-480V 6800W EC Centrifugal Fan for Air Handling

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