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230V EC 360W 250mm Quiet Ventilation Backward Centrifugal Bracket Fan for Hospital Isolation Ward Ventilation System

1. 250mm
2. IP44 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:
  • FK3G250-2APS-20

  • Fanova

Phase

~

1~

Nominal Voltage

VAC

230

Nominal voltage range

VAC

184~270

Frequency

Hz

50/60

Current draw

A

1.6±10%

Speed(RPM)

min-1

3550±5%

Power consumption

W

360±10%

Sound Pressure Level

dB(A)

82.6±5%

Max. Air Flow

CFM / m3/H

1155.81/1964

Max. Static Pressure

In.wg /Pa

4.06/1016

Insulation class

~

Class B

Degree of protection

~

IP44

Control Input

~

0~10VDC / PWM

Signal Output

~

FG (Tach output )

Product Overview

The FK3G250-2APS-20 is a high-pressure centrifugal fan engineered for demanding industrial ventilation. Featuring a robust EC motor (BLEC102) and bracket mounting, it delivers exceptional static pressure (1016 Pa) at 3550 RPM. With IP54-rated protection and RS485/MODBUS connectivity, it excels in harsh environments requiring advanced control integration.


Core Features

  1. High-Pressure Performance
    Generates 1016 Pa static pressure – ideal for overcoming system resistance in ducted applications. 7-blade plastic-fiber impeller (250mm) optimizes airflow efficiency at 1964 m³/h.

  2. Industrial Connectivity
    Supports RS485/MODBUS protocol (via RSA/RSB wires) alongside standard 0–10VDC/PWM control. Includes FG tachometer (5 pulses/revolution) and alarm contacts for system diagnostics.

  3. Heavy-Duty Construction
    IP54-rated against dust/moisture intrusion. Withstands -25°C to 60°C extremes. Die-cast aluminum housing and ball bearings ensure 50,000-hour lifespan (L10).

  4. Smart Motor Protections
    Integrated safeguards: soft-start, thermal shutdown, voltage monitoring, and locked-rotor detection. Operates at 184–270V AC for grid flexibility.


Applications

  • Industrial Process Ventilation: Ovens, fume extraction

  • High-Static HVAC Systems: Long-duct installations

  • Machinery Cooling: High-heat enclosures, compressors

  • Energy Recovery Systems: ERVs requiring pressure boost


FAQ

Q: What communication protocols are supported?
A: Standard 0–10VDC/PWM, plus RS485/MODBUS via dedicated terminals (Green/Purple wires).

Q: How does the alarm contact function?
A: The orange/grey wires provide a dry contact signal for fan failure or overload warnings.

Q: Is this suitable for outdoor use?
A: Yes. IP54 rating protects against weather exposure and dust ingress.

Q: Can it replace traditional AC fans?
A: Yes. Delivers 30%+ energy savings while offering precise speed control via PWM/0–10V inputs.


250mm Backward Centrifugal Fan With Support Bracket

230V EC Diameter 250mm 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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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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