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230V EC 120W 225mm Low Noise Backward Bracket Centrifugal Fan for Office Air Conditioning Systems

1. 225mm
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:
  • FK3G225-2APY-70

  • 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

0.72±10%

转速 Speed(RPM)

min-1

2500±5%

功率消耗 Power consumption

W

120±10%

声压级 Sound Pressure Level

dB(A

71±5%

最大风量 Max. Air Flow

CFM / m3/H

646.17/1098

最大静压 Max. Static Pressure

In.wg /Pa

1.79/447

绝缘等级 Insulation class

~

Class B

防护等级 Degree of protection

~

IP44

控制方式 Control Input

~

0~10VDC / PWM

信号输出 Signal Output

~

FG (Tach output )

Product Overview

The FK3G225-2APY-70 is a compact backward centrifugal fan engineered for high-efficiency mid-pressure applications. Combining a 225mm glass-fiber-reinforced impeller with a robust BLEC72 EC motor and integrated support bracket, it delivers 447 Pa (1.79 in.wg) static pressure while maintaining minimal footprint. Ideal for space-constrained industrial systems, its IP44-rated housing and versatile mounting excel in demanding environments.


Key Features

  1. Precision Backward Blade Design
    Features 7 optimized backward-curved blades for 30% higher efficiency than forward-curved equivalents, achieving 1,098 m³/h (646 CFM) airflow at just 120W ±10% power consumption.

  2. Integrated Vibration Control
    Factory-mounted steel bracket reduces vibration transmission by 40% versus bolt-on solutions, enabling direct installation on sensitive equipment without resonance issues.

  3. Plug-and-Play Smart Control
    Supports 0–10VDC/PWM speed tuning with tachometer feedback (2 pulses/revolution) for real-time diagnostics. Wide voltage tolerance (184–270VAC) ensures stability in fluctuating grids.


Applications

  • Packaged HVAC units (rooftop, ducted)

  • Industrial dehumidifiers and drying systems

  • Laboratory fume extractors

  • OEM machinery cooling (CNC enclosures, laser cutters)


FAQ

Q1: Why choose backward blades for this size class?
A1: Backward blades minimize turbulence at mid-pressure ranges (200–500 Pa), reducing noise (71 dB(A)) while increasing efficiency—critical for continuous-duty systems.

Q2: Can the bracket handle vertical mounting?
A2: Yes, the reinforced bracket supports all orientations, including vertical exhausts or horizontal side-mounts.

Q3: How does EC motor benefit low-airflow applications?
A3: EC technology maintains >85% efficiency even at 30% speed, unlike AC motors that waste energy at partial loads.

Q4: Is it suitable for corrosive environments?
A4: The fiberglass-reinforced impeller resists mild chemicals, but for harsh settings (e.g., acid fumes), request optional PP-coated version.


ECW225-2APY-70

EW225-2APY-70

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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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