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G0493 250W for PoE Switch with CB CE

 

Output: 250W 54-56V
Safety Approvals:CB CE
Dimension:127*76.2*38±1mm(L*W*H)

 

  • Description
  • Parameters

 

Electrical Characteristics: 

1。1

Input Characteristics

NO.

Items

Technical Requirement

Unit

Remark

1.1.1

Rated Input Voltage

100-240

Vac

 

1.1.2

Input Voltage Range天天斗牛

90—264

Vac

 

1.1.3

Frequency Range

50/60

Hz天天斗牛

 天天斗牛

1。1。4

Power Factor

>95%天天斗牛

 

Rated input voltage, full load. 

1.1.5

Inrush Current天天斗牛

≤60

A天天斗牛

Vin=110/220Vac, cold condition. 天天斗牛

1.1.6

Maximum Input Current

≤4.0

A

 

1.1.7

Efficiency

≥90%

 

Rated input, full load. 

1.1.8天天斗牛

Input No-Load Power Consumption

-

W

 

1.2天天斗牛

Output Characteristics

NO。天天斗牛

Items

Technical Requirement

Unit

Remark

1.2.1

Rated Output Voltage

56V

Vdc

54-56V adjustable。 

1.2.2天天斗牛

Output Voltage Range

54.5-57.5V

Vdc天天斗牛

54-56V adjustable。 

1。2。3

No Load Output Voltage Variation △V

<0.2

Vdc

 

1.2.4

Rated Output Current

3。4A Natural cooling。 

4.4A Fan cooling. 

A

Rated power: 250W. When the output voltage raise, the output current correspondingly reduce according to the below formula: V*I=W. 天天斗牛

1.2.5

Minimum Output Current

0

A天天斗牛

 

1.2.6

Output Peak Current

-

A天天斗牛

 

1.2.7

Load Regulation

±3%

 

 

1。2。8

Line Regulation

±1%天天斗牛

 

 

1.2.9

Output Ripple and Noise

≤560

mVp-p

Rated input, full load. 

Made the oscilloscope with 20MHz bandwidth, output resistor side with 10uF & 104 capacitors parallel to decouple。

1.2.10

Output Overshoot at Turn On and Turn Off

±10%

 

 

 1.2.11

Dynamic Response

Overshoot Amplitude

±5% 

 天天斗牛

Variety load between 25%—50%—25% or 50%—75%—50%。

Recovery Time

△t≤200

μS


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