48V DC Power System Telecom Rectifier with 60A Output Current New Made in China Universal Packing Switching Power Supply Origin

EVS4860, EV4830
minimum order: 
1 piece
Quantity:
$120.00 - $150.00 / piece
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  • Application:Industry, laboratory, Industrial Equipment, Machines, Battery Charging, for Telecom Equipment,Battery Charging
  • Efficiency:0.92
  • Protection:Short Circuit Protection, Overcurrent Protection, Overvoltage protection, Over Temperature Protection, Overloading Protection, Over Power Protection, Undervoltage Protection
  • Place of Origin:Guangdong, China, Shenzhen, China (Mainland)
  • Brand Name:EVS, EVS Industrial switching power supply
  • Model Number:EVS4860, RM4810/RM4820/RM4830/RM4850
  • Output Type:Single Phase
  • Input Voltage:80-300VAC, 90~280VAC
  • Output Voltage:-48Vdc
  • Output Frequency:50Hz/60Hz
  • Output Current:60A
  • type:AC-DC, DC-DC
  • Output Power:500W-2500W
  • Type:Rectifier Module
  • Use in:exchange room, server room,base station,data communication
Product Description

Rack mount dc power supply 220Vac to 48Vdc 30A ac dc converter for sale

Features
1,ac dc converter adopts active power factor compensation technology, power factor up to 0.99.
2,AC input voltage of normal operating range as wide as 90 ~ 290V.
3,Rectifier modules adopts full bridge soft switching technology, efficiency can reach above 96%.
4,Perfect battery management: low voltage load disconnect (LVLD) and low voltage battery disconnect (LVBD) to achieve temperature compensation, automatic float control, automatic voltage regulator, battery capacity calculation, online battery test function.
5,ac dc convertere adopts no damage hot insert and pull technology, replacement time less than 1min.
6,Network design, providing a variety of communication interfaces (for example: RS485, dry contact), flexible networking can achieve local and remote monitoring, unattended. Perfect AC and DC side lightning protection design used in multi thunderstorm area.
7,Complete fault protection, fault alarm function.
8,Comprehensive operation and maintenance, and can be mounted against the wall, saving space effectively.
9,Ultra-low radiation. Adopt advanced electromagnetic compatibility design, the rectifier module can meet requirements for conducted and radiated interference of"the communication power equipment electromagnetic compatibility Limits and methods of measurement"( People's Republic of China telecommunications industry standard YD/T983).
10,Safe and reliable. System design in full compliance with safety standards EN60950 and GB4943.

product details

1.Technical Indicators

 

Input and output

 

Voltage

System model

 

Range of AC input voltage

 

AC input current (maximum)

 

DC output current (rated)

 

Maximum output power

 

EV4810

 

90-280Vac

 

3.7A

 

10A

 

600W

 

EV4820

 

90-280Vac

 

7.5A

 

20A

 

1200W

 

EV4830

 

90-280Vac

 

10A

 

30A

 

1800W

 

EV4850

 

90-280Vac

 

30A

 

50A

 

2700W

 

2.Power system performance index

 

Input

 

Parameter

 

Min.

 

Rated

 

Max.

 

Unit

 

Note

 

Rated working voltage range

 

 

110/220

 

 

Vac

 

 

Input voltage range

 

90

 

220

 

290

 

Vac

 

Three-phase five-wire input phase to phase 380V / relative zero line 220VAC

 

Input frequency

 

43

 

50

 

67

 

Hz

 

Battery input

 

43.2

 

53.5

 

58

 

Vdc

 

Battery pack’s positive and negative in parallel with DC output of rectifier module (polarity consistent)


Output

 

Parameter

 

Min.

 

Rated

 

Max.

 

Unit

 

Note

 

Output voltage range

 

42

 

53.5

 

58

 

Vdc

 

 

Output current range

(max.current)

 

0

 

 

30

 

A

 

Input 170 ~ 285VAC, when the input voltage is below 170VAC, output at derating manner.

 

Regulation accuracy

 

 

 

±1

 

%

 

 

Load regulation

 

 

 

±1

 

%

 

 

Source regulation

 

 

 

±1

 

%

 

 

Current sharing regulation

 

 

 

±5

 

%

 

 

Ripple ( peak – peak value)

 

 

 

200

 

mv

 

Network 20MHztesting.

 

Output efficiency

 

91

 

93

 

 

%

 

220Vac Input

 
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