Guangdong Kingwood Electronic Co., Ltd.
Main products:HID Automatic Headlight (HID Conversion Kits, All-In-One HID), Communication Power Supply
Products
Contact Us
  • Contact Person : Ms. Nee Rachel
  • Company Name : Guangdong Kingwood Electronic Co., Ltd.
  • Tel : 86-20-61031498
  • Fax : 86-20-61031486
  • Address : Guangdong,Guangzhou,5/f, Block C, Dadi Industrial Park, Yongdong Road, Tangxia, Guangzhou City, Guangdong Province. China
  • Country/Region : China
  • Zip : 510630

switching power supply for telecommunication use

switching power supply for telecommunication use
Product Detailed
It use the most advanced PWM technology and the most stable and reliable circuit topology

Introduction:

This series of high-frequency switching power supply are designed for a variety of communications electronics equipment, such as program-controlled switches, microwave equipment, optical fiber communication equipment etc. which are high efficiency, high performance, high stability, high reliability, and which use the most advanced PWM technology and the most stable and reliable circuit topology.

The series are small size, light weight, high efficiency, wide operating temperature range, strong anti-jamming capability, fast dynamic response, high stability, smal noise ripple, and with strong protection features, which apply to CNC machine tools, data-processing and other equipment, and which can be used as charging and discharging equipment for battery.

Features:

1. High precision regulators

2. Fast dynamic response

3. Low output noise

4. Strong anti-interference ability

5. Wide operating temperature range

6. Strong protection function

7. With N +1 module composite structure

Technique Parameters:

Technical Data

Parameters

Test Conditions

Input Voltage

AC

220Vac/160V-290V

Output half load

DC

220Vdc/180V-280V

Output half load

AC Undervoltage Derating

<150V±5V

Output half load

AC Overload Protection

300V

Output half load

Module Power Surge

220V/<12A

Output half load

Module Input Current

220V/5.7A

Output half load

Output Float Voltage

48V/53.5V

Factory settings

Modules are charging pressure

48V/56.5V

Factory settings

Output Voltage Range

40-59VDC(adjustable)

 

Output Current

20A/30A

Output Limit(101%-105%)

Battery Current-limiting

1-9A stepping adjustable

(each step 1A)

 

Output Short-Circuit Protection

Need to restart after short circuit

 

Power Regulation

±0.1%max

Output from no load to full load

Modules Load Regulation

±0.5%max

Output from no load to full load

Dynamic Response

100usmax

20%~100% load

Phone Scale Output Noise

<2mV

Noise meter

Peak Output Noise

≤200mV

0~20MHz

Efficiency

>88%

 

Frequency

160KHz

 

Boot Time

≤5S

 

Current Deviation

<5%

<1.25A

Temperature Coefficien

0.02%

 

Working Temperature

-10~+45

Radiator will close when temperature is  over 85, which can recover.

Storage Temperature

-40~+85

 

Working Humidity

5%~95%RH

Non-condensing

Insulation Strength

Leakage Current <10mA,1min

Input-Output  1500Vac

Input-Shell  1500Vac

Output-Shell  500Vac

Insulation Resistance

>10MΩ

DC1000V

Weight

8kg

Net Weight

Dimension(W×H×D)

483mm×88mm×325mm

 

switching power supply for telecommunication use



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