• DC220V to DC48V20A DC/DC Converter 19inch 2U Rack for communication use
  • DC220V to DC48V20A DC/DC Converter 19inch 2U Rack for communication use

DC220V to DC48V20A DC/DC Converter 19inch 2U Rack for communication use

  • Negotiable Get Latest Price
  • KINGWOOD
  • DD220T4820
  • 10 Set / Sets
  • T/T MoneyGram Credit Card
  • 10000 Set / Sets per Month
Product Details
Output Power:Other, 960W Output Type:Single Size:483mm*88mm*325mm
Weight:8 Kg Input Voltage:220V Output Voltage:48V
Type:DC/DC Converters Output Current:20A
Product Description

Specifications

DC220V to DC48V20A DC/DC Converter 19inch 2U Rack for communication use

Model: DD220T4820

Introduction:

DC/DC Converter is specially designed for meeting the requirements of all kinds of communication equipments of communication and electric power departments, which adopts the high frequency switching technology and has many good points, including high accuracy voltage stabilizing, low output noise, strong capacity of resisting disturbance, small volume, light weight, beautiful external shape, etc.  

The DD220T4820 use the PWM (pulse width modulation) technology with automatic current sharing function and N +1 backup function (N+1 combination of modules structure), which can be used in parallel. When the power supply module failure, it can safely auto-exit and alarm, which ensure that the power supply system works normally.

Features:

  • With N +1 backup function
  • Input and output complete isolation, safety and credibility
  • Advance current control mode and stable & reliable circuit topological structure
  • Using the inside air-cooling methods, with lower noise
  • High reliability, Maintain Simply, quickly and easily
  • Strong protection functions: output over/under voltage, overcurrent, short-circuit and input over/ under voltage, and overtemperature protection
  • EMC characteristics: Consistent with the standard EN55022 CLASS B & IEC61000-4 LEVEL 3

Technical Parameter:

Technical Index

Performance Parameter

Input Voltage Range

180~360Vdc

Output Voltage Range

40~60Vdc

Output Rated Value

48 Vdc

Output Current

20 Adc

Load Regulation

≤0.5%

Power Grid Regulation

≤0.2%

Degree of unbalanceness for equalized current

≤±3%

Phone Weighted Noise Voltage

300~3400Hz    ≤2mV (CCITT)

Peak - Peak Noise Voltage

≤100mV

Wide Frequency Noise Voltage

3.4 ~ 150KHz   ≤100mV

0.15 ~ 30MHz   ≤30mV

Discrete Noise Voltage

3.4 ~ 150KHz  ≤5 mV

150 ~ 200KHz  ≤3 mV

250 ~ 500MHz  ≤2 mV

0.5 ~ 30MHz   ≤1 mV

Efficiency

≥90%

Dynamic Response

20% ~ 100% Step Load ≤200 us

170V ~ 265Vac Step to power grid ≤200 us

Output Overvoltage Protection

50±1 Vdc

Output Current Limiting Protection

22±0.5 Adc

Input High-voltage Current-limiting Protection

≤72±1 Vdc

Overtemperature Protection

85±5°C

Working Temperature

-10~50°C

MTBF

100,000 Hrs.

Weight

8 Kg

Dimension (W×H×D)

Rack-mounted: 483mm×88mm×325mm (19'' 2U)