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EC 230V 105W 133mm Low Noise Dual Inlet Centrifugal Blower for General Automotive Air Conditioning Systems

1. 133mm
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:
  • FD3G133-2AGL-70

  • Fanova

Phase

~

1~

Nominal Voltage

VAC

230

Nominal voltage range

VAC

184~270

Frequency

Hz

50/60

Current draw

A

0.75±10%

Speed(RPM)

min-1

1500±5%

Power consumption

W

105±10%

Sound Pressure Level

dB(A

64±5%

Max. Air Flow

CFM / m3/H

  442.552/752

Max. Static Pressure

In.wg /Pa

0.82/205

Insulation class

~

 Class B

Degree of protection

~

IP44

Control Input

~

0~10VDC / PWM

Signal Output

~

FG (Tach output )

Product Overview

The FD3G133-2AGL-70 is a dual-inlet centrifugal fan engineered for high-efficiency airflow in compact systems. Leveraging a symmetrical dual-intake design and a robust BLEC72 EC motor, it delivers balanced performance (752 m³/h airflow) with exceptionally low noise (64 dB(A)). Ideal for applications demanding quiet operation and space optimization, it meets CE/RoHS/ErP standards and operates reliably across industrial environments.


Key Features

  1. Dual-Intake Efficiency
    Features twin inlets for 50% higher airflow (752 m³/h) versus single-inlet equivalents, while maintaining low static pressure (205 Pa). The symmetrical design reduces turbulence and noise for smoother operation.

  2. Quiet Industrial Performance
    Optimized impeller (38 galvanized steel blades) and EC motor achieve 64 dB(A) sound levels—ideal for noise-sensitive settings. Energy consumption remains low (105W ±10%) despite enhanced output.

  3. Space-Smart Robustness
    Compact 133mm footprint with IP44-rated housing withstands dust/moisture. Ball bearings ensure 50,000-hour lifespan (L10) under continuous use, even in confined installations.


Applications

  • Server racks & telecom cabinets (quiet cooling)

  • Compact HVAC units (duct boosters, air handlers)

  • Medical device ventilation (imaging machines, analyzers)

  • Laboratory equipment requiring vibration-free airflow


FAQ

Q1: Why choose dual-inlet over single-inlet fans?
A1: Dual inlets double airflow capacity without increasing footprint, minimize noise resonance, and improve pressure balance—critical for confined spaces.

Q2: Can it operate in vertical/horizontal orientations?
A2: Yes, universal mounting (any direction) is supported per design specifications.

Q3: How does blade count (38 vs. typical 24–34) affect performance?
A3: Higher blade count enhances static pressure efficiency and reduces noise by distributing airflow more evenly across the impeller.

Q4: Is speed control compatible with building automation systems?
A4: Yes, 0–10VDC/PWM input integrates with standard controllers; FG signal (2 pulses/rev) enables real-time RPM feedback.


Ec Diameter 133mm Dual Inlet Centrifugal Blower With Scroll Housing

Ec Diameter 133mm Dual Inlet Centrifugal Blower With Scroll Housing-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

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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