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48VDC Centrifugal fan size 250mm

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Product type: DC centrifugal fan size 250mm


48VDC Centrifugal fans are widely used in various industries due to their efficient airflow and versatility. In particular, they are employed in the telecommunications industry for cabinet cooling systems to ensure the stable operation of equipment.


Overview of Features


  • High Efficiency

    Capable of providing strong airflow to effectively eliminate heat inside the cabinet.

  • Durability

    Designed for long-term operation in harsh environments, maintaining stable performance.

  • Easy maintenance

    Typically have low maintenance requirements, suitable for continuous operation.


Application Scenarios


  • Telecom Equipment Cooling

    Used for cooling critical telecom equipment such as servers and switches.

  • Data Center Cooling

    In large data centers, centrifugal fans are essential components for maintaining the normal operation of equipment.

  • Industrial Automation

    Used in factory automation systems to control the temperature and humidity of the environment.


Items

Unit


Size

[mm]

250

Operation mode


S1

Direction of rotation


Clockwise, seen on rotor

Insulation class


B

Cable exit


Variable

Bearing type


Ball bearing (NSK or NMB)

Mass

[kg]

1.5

Material of impeller


PA66

Motor protection


Reverse polarity and locked-rotor protection

Number of blades


11

Material of impeller


Plastic PA66

Type of protection


IP44

Air flow

[M3/h]

1650

Back pressure

[Pa]

0


Items

Unit


Nominal voltage

[VDC]

48

Nominal voltage range

[VDC]

36….57

Speed

[Rpm]

2800

Power input

[W] +/-10%

125

Current

[A] +/-10%

2.6

Min. ambient temperature

[℃]

-25

Max. ambient temperature

[℃]

+65

Ambient humidity

%

<= 95

Leakage current

mA

<= 0.25

Noise

db(A)

<= 73

Start method


Soft start

Protection 1


Locked rotor

Protection 2


Current limit

Protection 3


Reverse polarity

Stator housing material


Aluminum

Rotor housing material


Aluminum

Technical features


- Control input 0-10VDC/PWM

- Tech output

- Motor current limit

- Soft start

Max.permissible ambient motor temp.(transp./storage)

[℃]

80

Min.permissible ambient motor temp.(transp./storage)

[℃]

-40

Product confirming standard


GB12350-2009

Approve


CCC


Life time at 40 ℃

[h]

70,000

Reference only

Life time at 60 ℃

[h]

40,000



Colour

Signal

Red

Un +48VDC Supplier

Yellow

0-10 VDC /PWM Speed control

White

Speed monitoring output, 3 pulses per rotation, Isink max = 10 mA

Blue

GND


1

Connection wire with 0.5 ^2 mm

2

Depth of screw max. 6 mm


Charts: Air flow

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We are focusing on design, manufacturing and sales of EC motors, EC fans, EC axial fans, EC centrifugal fans, fan impellers, which are electronically commutated PMSM internal rotor motors.

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