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230V EC 355mm 480W Powerful High Air Volume Backward Centrifugal Fan for High-flow Transportation Environments

1. 355mm
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:
  • FB3G355-2AAY-20

  • Fanova

Phase

~

1~

额定电压 Nominal Voltage

VAC

230

电压范围 Nominal voltage range

VAC

184~270

频率 Frequency

Hz

50/60

电流消耗 Current draw

A

2.0±10%

转速 Speed(RPM)

min-1

1920±5%

功率消耗 Power consumption

W

480±10%

声压级 Sound Pressure Level

dB(A

74±5%

最大风量 Max. Air Flow

CFM / m3/H

 2301/3910

最大静压 Max. Static Pressure

In.wg /Pa

2.94/735

绝缘等级 Insulation class

~

  Class B

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 FB3G355-2AAY-20 is a high-pressure 230V AC centrifugal blower engineered for demanding industrial ventilation. Featuring a 355mm aluminum impeller and EC motor technology, it excels in overcoming extreme system resistance while maintaining robust airflow – ideal for applications where static pressure is critical.


Core Features

  1. Exceptional Static Pressure Performance
    Delivers 735 Pa (2.94 In.wg) – the highest in its class – enabling airflow through dense filters, long ductwork, or compact industrial systems.

  2. Optimized Power-to-Flow Ratio
    Moves 3,910 m³/h (2,301 CFM) at just 480W ±10%, balancing efficiency with heavy-duty performance.

  3. Industrial Control Ecosystem
    Integrates RS485 MODBUS (green/purple wires), 0-10VDC/PWM input (yellow), and +10VDC output (red) for sensor power/control daisy-chaining.

  4. Proactive System Monitoring
    5-pulse/rev FG signal (white wire) + alarm contacts (orange/gray) enable real-time diagnostics and instant fault alerts.


Applications

  • High-Resistance Ventilation: Paint booth exhaust, chemical fume extraction, industrial dust collection systems.

  • Process Cooling: Plastic extrusion equipment, laser cutting enclosures, high-temperature oven cooling.

  • Power Electronics: Large UPS thermal management, wind turbine converter cooling, substation ventilation.

  • HVAC Systems: Commercial ERV/HRV units, pressurized cleanroom airflow, hospital isolation room exhaust.

  • Heavy Equipment: Mining machinery cooling, ship engine room ventilation, foundry air supply systems.


FAQ

  1. Q: What makes this fan ideal for ducted systems?
    A: Its 735 Pa static pressure overcomes resistance in long/dense duct networks where standard fans fail.

  2. Q: Can I power sensors using the fan’s control interface?
    A: Yes – the +10VDC output (red wire) provides 1.1mA for temperature/humidity sensors.

  3. Q: How do I connect it to SCADA systems?
    A: Use RS485 MODBUS (green/purple wires) for industrial PLC/BMS integration.


ECB355-2AAY-20

EB355-2AAY-20

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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