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230V EC 410W 280mm High-intensity Operating Backward Centrifugal Fan for Air Purification System

1. 280mm
2. IP44 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:
  • FB3G280-2AGY-20

  • Fanova

Phase

~

1~

Nominal Voltage

VAC

230

Nominal voltage range

VAC

184~270

Frequency

Hz

50/60

Current draw

A

1.8±10%

Speed(RPM)

min-1

2780±5%

Power consumption

W

410±10%

Sound Pressure Level

dB(A)

83.6±5%

Max. Air Flow

CFM / m3/H

1731.96/2943

Max. Static Pressure

In.wg /Pa

3.36/840

Insulation class

~

Class B

Degree of protection

~

IP44

Control Input

~

0~10VDC / PWM

Signal Output

~

FG (Tach output )

Product Overview

The FB3G280-2AGY-20 is a high-efficiency 230V AC centrifugal blower engineered for rugged industrial environments. Featuring an 11-blade galvanized steel impeller and EC motor technology, it delivers robust airflow and static pressure for demanding ventilation, cooling, and exhaust applications where corrosion resistance is critical.


Core Features

  1. Heavy-Duty Impeller Design
    11 galvanized steel blades optimize airflow efficiency and resist corrosion in harsh environments (chemical fumes, humidity, abrasives).

  2. High Static Pressure Capability
    Generates 840 Pa (3.36 In.wg) – ideal for overcoming resistance in ducted systems or dense filtration setups.

  3. Industrial Smart Controls
    Supports 0-10VDC/PWM, RS485 MODBUS, and provides +10VDC output (red wire) for sensor integration/control chaining.

  4. Proactive System Safeguards
    Alarm contacts (orange/gray) trigger during faults, while 5-pulse FG signal (white) enables real-time RPM monitoring.


Applications

  • Corrosive Environments: Chemical plant exhaust, wastewater treatment ventilation, marine equipment cooling.

  • Material Handling: Dust collection systems, grain silo aeration, recycling facility airflow.

  • Industrial Process Cooling: Foundry equipment ventilation, welding fume extraction, industrial dryer support.

  • High-Pressure HVAC: Laboratory fume hoods, hospital isolation room exhaust, paint booth ventilation.

  • Energy Infrastructure: Transformer cooling, turbine enclosure airflow, power station cabinet thermal management.


FAQ

  1. Q: Why choose galvanized steel over aluminum/plastic?
    A: Superior corrosion/abrasion resistance for harsh settings like chemical plants or marine applications.

  2. Q: How do 11 blades improve performance?
    A: Enhances static pressure efficiency and airflow stability in high-resistance systems vs. standard 5-7 blade designs.

  3. Q: Can this fan integrate with industrial IoT systems?
    A: Yes – use RS485 MODBUS (green/purple wires) for data logging/control via PLCs or SCADA systems.



230V EC Diameter 280mm Backward Centrifugal Fan

230V EC Diameter 280mm Backward Centrifugal Fan-PQ

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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