Home / Products / Centrifugal Fans / Backward Centrifugal Fan With Support Bracket / 230V EC 280mm 1100W High Perfprmance Durable Ventilation Backward Centrifugal Fan with Bracket

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230V EC 280mm 1100W High Perfprmance Durable Ventilation Backward Centrifugal Fan with Bracket

1. 280mm
2. IP54 protection level
3. Aluminum alloy motor with Propylene with glass-fiber reinforced impeller, fashion design.
4. Using Ball bearing, working life more than 50,000 hours
Availability:
Quantity:
  • FK3G280-4AAL-30

  • Fanova


Phase

~

3~

额定电压 Nominal Voltage

VAC

380

电压范围 Nominal voltage range

VAC

304V456V

频率 Frequency

Hz

50/60

电流消耗 Current draw

A

1.9±10%

转速 Speed(RPM)

min-1

3500±5%

功率消耗 Power consumption

W

1100±10%

声压级 Sound Pressure Level

dB(A

88±5%

最大风量 Max. Air Flow

CFM / m3/H

2148.03/3650

最大静压 Max. Static Pressure

In.wg /Pa

5.12/1280

绝缘等级 Insulation class

~

Class F

防护等级 Degree of protection

~

IP54

控制方式 Control Input

~

0~10VDC / PWM

信号输出 Signal Output

~

FG (Tach output )

Product Overview

The FK3G280-4AAL-30 is an industrial-grade centrifugal blower engineered for extreme environments. Featuring a 280mm die-cast aluminum impeller and 380V three-phase power, it delivers 3,650 m³/h airflow and 1,280 Pa static pressure—making it ideal for heavy-duty ventilation in factories, foundries, or high-resistance systems. With IP54 protection and integrated MODBUS communication, it bridges industrial airflow demands with smart facility control.


Core Characteristics

  1. Industrial-Grade Power & Pressure

    Generates 1,280 Pa static pressure—capable of pushing air through multi-stage filters or 30m+ ductwork. The 8-blade aluminum impeller withstands high-RPM operation (3,500 max) without deformation, ensuring longevity in abrasive environments.

  2. Smart Control Ecosystem

    Integrates RS485 MODBUS (RSA/RSB ports) for direct BMS integration, enabling remote airflow monitoring and diagnostics. The 5-pulse/revolution FG tachometer provides 2.5× higher RPM resolution than standard models for precision control.

  3. Heavy-Duty Electrical Resilience

    Handles 304–456V AC voltage fluctuations common in industrial grids. Class F insulation allows sustained operation at 115°C—critical for foundries or boiler rooms where ambient temperatures exceed 60°C.

  4. Fail-Safe Protection Suite

    Includes alarm contacts (NC/COM) for instant fault notifications and soft-start protection to prevent current surges during activation. The 7.55kg rigid housing minimizes vibration transfer to building structures.


Typical Applications

  • Industrial Dust Collection: Handling high-resistance airflow in woodworking/metal grinding facilities.

  • Process Cooling in Foundries: Surviving extreme heat near furnaces or casting lines.

  • Large-Scale HVAC Boosting: Moving air through complex duct networks in factories or warehouses.

  • Smart Facility Integration: Connecting to plant-wide BMS via MODBUS for predictive maintenance.


ECW280-4AAL-30

EW280-4AAL-30

Life Expectance

50,000 Hours(L10),At 40℃ room, humidity 15%~65%RH

Technical features

Motor current limitation

Soft starting Protection

Under/Over voltage detection

Thermal overload protection for electronics/motor

Line undervoltage detection

Locked-rotor Protection

Reverse Polarity Protection


Operating Temperature

Fan

-25℃ (Min. )~60℃ (Max. )

Heat sink of IC

115℃ (Max. )

Other electronic parts

85℃ (Max. )

Ball bearing

80℃ (Max. )

Lead Wire

120℃ (Max. )

Storage Temperature

-40℃ to 75℃

Operating Humidity

5% to 90% RH

Storage Humidity

5% to 95% RH


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 +86-512-66152110
 +86-18168737096
 +8617715518438
 +8617715518438
 No.739, Fuyuan Road, Xiangcheng District, Suzhou, Jiangsu, P.R. China 215133

If you have any questions, please feel free to contact us at any time!

Fanova (Suzhou) Motor Technology Co., Ltd. is a leader in the industry, provides customers with diverse fan solutions with its professional, innovative, and environmentally friendly philosophy.

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+86-512-66152110
+86-17715518438
Sales01@fanova-tech.com
+8617715518438
+8617715518438
No.739, Fuyuan Road, Xiangcheng District, Suzhou, Jiangsu, P.R. China 215133
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