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230V EC 310mm 700W High Pressure Backward Centrifugal Bracket Fan for The Piston Wind System of Subway Tunnel

1. 310mm
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:
  • FK3G310-2AAB-67

  • 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

3.1±10%

转速 Speed(RPM)

min-1

2960±5%

功率消耗 Power consumption

W

700±10%

声压级 Sound Pressure Level

dB(A

85±5%

最大风量 Max. Air Flow

CFM / m3/H

2354/4000

最大静压 Max. Static Pressure

In.wg /Pa

 4.24/1060

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

Engineered for high-pressure industrial ventilation, this 310mm backward-curved fan delivers 4000 m³/h airflow and exceptional 1060 Pa static pressure—ideal for overcoming resistance in ducted systems. Powered by a robust BLEC102 motor with an 8-blade aluminum impeller, it operates at 2960 RPM while maintaining IP54-rated dust/moisture resistance. Universal 230V input (184–270V AC) and flexible controls ensure seamless integration into demanding HVAC or process applications.


Core Features

  1. High-Pressure Performance
    Generates 1060 Pa max static pressure—critical for long ducts, filter systems, or industrial exhausts requiring forceful air movement.

  2. Optimized Airflow Efficiency
    Aluminum impeller and balanced design achieve 4000 m³/h airflow at 700W power consumption, reducing operational costs in continuous-use scenarios.

  3. Industrial-Grade Resilience
    Die-cast aluminum housing withstands harsh environments (-25°C to 60°C), while ball bearings ensure 50,000-hour L10 lifespan.

  4. Smart Integration Ready
    Supports 0–10VDC/PWM speed control + RS485 (MODBUS). Includes soft-start, voltage protection, and FG tach signal (5 pulses/rev) for automation.


Applications

  • Industrial Dust Collection: High-pressure airflow for sawdust/metal fume extraction.

  • Commercial HVAC: Air handling units (AHUs) in factories or warehouses.

  • Process Drying/Curing: Oven ventilation requiring consistent pressure.

  • Cleanroom Pressurization: Maintaining positive airflow in labs or production zones.


FAQ

Q1: Can it replace FK3G400 in high-pressure applications?
Yes. This model offers 20% higher static pressure than FK3G400 (1060 Pa vs. 950 Pa), better suited for restrictive systems.

Q2: Why aluminum over plastic impellers?
Aluminum handles higher RPM (2960 vs. 1700 in plastic models) without flex, maintaining efficiency in high-pressure setups.

Q3: Is 85 dB(A) too loud for indoor use?
Suitable for industrial floors. For offices, pair with acoustic ducting or choose quieter models (e.g., FB3G220 at 71 dB(A)).

Q4: How does MODBUS enhance control?
Enables real-time RPM monitoring, fault alerts (e.g., overheating), and synchronized multi-fan operation via building management systems.


ECW310-2AAB-67

EW310-2AAB-67

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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