Home / Products / Centrifugal Fans / Backward Centrifugal Fan / 230V EC 450mm 700W IP54 Class High-intensity Large Volume Ventilation Backward Centrifugal Fan

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230V EC 450mm 700W IP54 Class High-intensity Large Volume Ventilation Backward Centrifugal Fan

1. 450mm
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:
  • FB3G450-2AAY-30

  • 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

3.2±10%

转速 Speed(RPM)

min-1

1450±5%

功率消耗 Power consumption

W

700±10%

声压级 Sound Pressure Level

dB(A

80±5%

最大风量 Max. Air Flow

CFM / m3/H

4487.9/7626

最大静压 Max. Static Pressure

In.wg /Pa

2.35/587

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 FB3G450-2AAY-30 is a heavy-duty 230V AC centrifugal blower engineered for extreme industrial ventilation. Featuring a massive 450mm aluminum impeller and high-torque EC motor, it delivers unparalleled airflow for large-scale cooling, exhaust, and process applications where brute-force airflow dominates over static pressure.


Core Features

  1. Colossal Airflow Capacity
    Moves 7,626 m³/h (4,488 CFM) – ideal for ventilating large warehouses, factory floors, or industrial processes requiring massive air exchange.

  2. High-Temperature Resilience
    Class F insulation withstands higher operating temperatures than standard Class B motors, ensuring reliability in hot industrial environments.

  3. Industrial-Grade Control Hub
    Features RS485 MODBUS (green/purple wires), 0-10VDC/PWM input (yellow), and +10VDC output (red) for sensor power or signal chaining.

  4. Robust Failure Detection
    Alarm contacts (orange/gray) trigger during faults, while 5-pulse FG signal (white) provides precise RPM monitoring for predictive maintenance.


Applications

  • Large-Space Ventilation: Warehouse air circulation, aircraft hangar ventilation, convention center HVAC.

  • Industrial Process Cooling: High-volume fume extraction in welding facilities, foundry exhaust systems.

  • Heavy Machinery: Cooling for industrial presses, mining equipment, large-scale 3D printers.

  • Power Generation: Turbine hall ventilation, transformer cooling in substations.

  • Agricultural Tech: Grain silo aeration, livestock barn ventilation systems.


FAQ

  1. Q: What advantage does Class F insulation provide?
    A: It offers superior heat resistance (up to 155°C) vs. Class B (130°C), extending motor life in high-ambient environments.

  2. Q: Can this fan power external sensors?
    A: Yes – the +10VDC output (red wire, 1.1mA max) can daisy-chain controls or power temperature/humidity sensors.

  3. Q: How do I connect it to industrial control systems?
    A: Use the RS485 MODBUS interface (green/purple wires) for integration with PLCs or building management systems.



ECB450-2AAY-30

EB450-2AAY-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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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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