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380V EC 400mm 1320W Sturdy Large Volume Ventilation Backward Centrifugal Industrial Fan

1. 400mm
2. IP54 protection level
3. Aluminum alloy motor with galvanized steel sheet impeller, fashion design.
4. Using Ball bearing, working life more than 50,000 hours
Availability:
Quantity:
  • FB3G400-4APK-30

  • Fanova

Phase

~

3~

额定电压 Nominal Voltage

VAC

380

电压范围 Nominal voltage range

VAC

304~456

频率 Frequency

Hz

50/60

电流消耗 Current draw

A

2.1±10%

转速 Speed(RPM)

min-1

2060±5%

功率消耗 Power consumption

W

1320±10%

声压级 Sound Pressure Level

dB(A

89±5%

最大风量 Max. Air Flow

CFM / m3/H

4090.08/6950

最大静压 Max. Static Pressure

In.wg /Pa

3.92/980

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 FB3G400-4APK-30 is an industrial-grade centrifugal fan engineered for extreme airflow demands. Featuring a 400mm glass-fiber-reinforced impeller and 137mm EC motor, it delivers unparalleled ventilation capacity while maintaining robust operation. Designed for continuous duty (S1) with IP54 protection and Class F insulation, it targets heavy-industrial applications requiring high static pressure and automation compatibility.


Key Specifications

  1. Ultra-High Airflow Capacity: Generates 6950 m³/h max airflow (90% higher than standard 400mm fans) for rapid air exchange in large-scale systems.

  2. Industrial-Grade Pressure: Achieves 980 Pa static pressure to overcome resistance in complex ductwork or dense filtration setups.

  3. Smart Control Integration: Features RS485/MODBUS communication alongside 0-10VDC/PWM inputs and 5-pulse tachometer output for IoT-ready automation.

  4. High-Voltage Efficiency: Operates at 380VAC (±20% tolerance) with optimized power consumption for industrial grids.


Applications

  • Factory HVAC Systems: Air handling units (AHUs) for warehouses and manufacturing plants

  • Industrial Process Ventilation: High-volume fume extraction in chemical/steel production

  • Power Plant Cooling: Turbine hall ventilation and generator thermal management

  • Tunnel & Mining Ventilation: Air circulation in large underground infrastructures


ECB400-4APK-30

EB400-4APK-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

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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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