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48V DC 115W 225mm Work Quietly Air Supply Backward Centrifugal Fan with Bracket

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:
  • FK3G225-48PY-70

  • Fanova



Nominal Voltage

VDC

48

Nominal voltage range

VDC

36~57

Current draw

A

2.4±10%

Speed(RPM)

min-1

2300±5%

Power consumption

W

115±10%

Sound Pressure Level

dB(A

67±5%

Max. Air Flow

CFM / m3/H

632.05/1074

Max. Static Pressure

In.wg /Pa

1.648/412

Insulation class

~

  Class B

Degree of protection

~

 IP44

Control Input

~

 0~10VDC / PWM

Signal Output

~

FG (Tach output )


Product Overview
The 48V-DC 225mm 115W External-Rotor Centrifugal Blower Fan with Support Bracket integrates the motor and impeller into a compact external-rotor unit. Designed for efficient airflow in space-conscious applications, it delivers reliable performance for systems requiring moderate static pressure (412 Pa max), such as compact ductwork or filtration setups.

Features
External-Rotor Motor Design
The stator-fixed design enables the rotor to drive the impeller directly, eliminating belts or gears. This integration reduces energy loss and mechanical complexity.

Moderate Static Pressure Performance
Generates 412 Pa maximum static pressure, suitable for overcoming resistance in shorter ducts or standard filters. Maintains airflow consistency up to 1,074 m³/h.

Low Noise Operation
Aerodynamically tuned blades operate at 67 dB(A) under full load, ideal for environments where noise reduction is prioritized.

Wide Voltage Range
Compatible with 36-57V DC power supplies, ensuring stable operation in off-grid or mobile systems with voltage fluctuations.

Applications

  • Compact HVAC Systems: Air handling in small commercial units or server racks.

  • Light Industrial Ventilation: Cooling for control cabinets, machinery enclosures, or localized exhaust.

  • Filtration Units: Pushing air through standard filters in purifiers or light-duty cleanrooms.

  • Mobile Platforms: Integration into vehicles or portable equipment with limited space.


DCW225-48PY-70

DW225-48PY-70

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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