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230V EC 310mm 350W Long Service Life Cooling Backward Centrifugal Fan for Long Working Hours

1. 310mm
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:
  • FB3G310-2AAY-20

  • Fanova

PRODUCT OVERVIEW

The FB3G310-2AAY-20 industrial centrifugal fan features an EC motor (BLEC102) for energy-efficient ventilation. Operating at 184-270VAC, it delivers up to 2,750 m³/h airflow and 660 Pa static pressure. With IP54 protection and wide environmental tolerance, it's built for demanding applications requiring robust performance and flexible control options.


KEY FEATURES

1. Advanced EC Motor System
BLEC102 brushless motor provides soft-start operation with 30%+ energy savings versus AC motors. Integrated protection against voltage fluctuations, lock-rotor conditions, and thermal overload.

2. Extreme Environment Ready
Maintains stable operation from -25°C to 60°C and up to 90% humidity. Die-cast aluminum construction with ball bearings ensures durability in harsh industrial settings.

3. Multi-Control Interface
Accepts 0-10VDC/PWM speed signals while offering tachometer output (FG). Optional RS485/MODBUS communication through dedicated terminals for system integration.

4. Certified Safety Design
Meets CE, RoHS, and ErP 2015 standards. Features reinforced electrical insulation (1,800VAC withstand) and IP54-rated dust/water protection.


APPLICATIONS

  • Commercial HVAC exhaust systems

  • Industrial drying/cooling equipment

  • High-pressure ducted ventilation

  • Energy recovery units (ERV/HRV)


FAQ

Q: Vertical mounting possible?
A: Yes - supports any orientation per specs.

Q: Delayed startup normal?
A: Yes - soft-start protection prevents inrush current (2-5 sec ramp-up).

Q: FG signal voltage compatibility?
A: Use built-in +10VDC output with series resistor for 5V logic.

Q: Power cord replacement?
A: Factory-supervised replacement required for safety compliance.


ECB310-2AAY-20

EB310-2AAY-20

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

If you have any questions, please feel free to contact us at any time!

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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