20A AC-DC Rectifier for 48V Telecom Power System/Electric Power System

Model NO.
GPR4820C
Voltage Regulating Mode
Width Modulation Type
Power Supplying System
Terminal Power Distribution Equipment
Energy Transmission
One-way Transmission
Modulation System
PWM
Certification
CE, RoHS, ISO, CCC, CB
Brand
Gold Power
Transport Package
Carton
Specification
1U
Trademark
GOLD POWER
Origin
China
HS Code
8504401990
Production Capacity
6000000 PCS/Year
Reference Price
Please contact us for quote
Contact Us

Product Description

20A AC-DC rectifier  for 48V telecom power system/electric power system

Features
   
•   Compact structure, high power density of 25 W/in 3 ;
•  Constant current output available within output voltage 42-54V;
 •  Constant power output available within output voltage 54-58V ;
•  Output voltage adjustable within 42-58Vdc
   Default voltage: 53.5V;
•  Wide operating temp. range: -33~+55ºC
•  Extended operating temp. range: +55~+65ºC
•  Power factor correction: ≥0.98
•  RS485 communication port
•  Input under-voltage protection
•  Input over-voltage protection
•  Output over-voltage protection
•  Output over-current protection
•  Over temperature alarm and protection
•  Paralleled work available via current sharing bus
•  Remote start up/shutdown
•  Hot swappable
•  UL 6 0 950, CS A C2 2 . 2 609 5 0-00,
   VDE 0 8 05 and IEC6 0 950  compliance
•  CE mark meets directives of 73/23/EEC
   and 93/68/EEC
•  High efficiency more than 92%
 
Applications
 
48V Distributed power system
Ethernet
Exchange
LAN, MAN
Server
Indoor wireless network
Telecom equipment

20A AC-DC Rectifier for 48V Telecom Power System/Electric Power System
20A AC-DC Rectifier for 48V Telecom Power System/Electric Power System
20A AC-DC Rectifier for 48V Telecom Power System/Electric Power System


                                                                                              
 
AC Input
Parameter Min. Typ Max. Unit Remarks
Input Voltage Range 90 220 280 Vac  
Input Frequency 45 50 65 Hz Rated load
Input Current     9 A  
Power Factor 0.99       Rated input/rated load
 
Output
Parameter Min. Typ. Max. Unit Remarks
 Output Voltage Range 42 53.5 58 Vdc  
 Output Current Range 0 20   A  176~280V ac Input
 Regulation     ±1 %  
Weighted Psophometric Noise     2 mV  
Wide Frequency Noise Voltage     100
30 		mV (3.4KHz~150KHz)
(150KHz~30MHz)
Ripple (Vp-p)     200 mV Rated input/output, with 0.1uF film capacitor and 10uF high frequency electrolyte capacitor, oscilloscope band width of 20MHz.
Output Power 0 1200   W 176-280V input
0 600   W 90 -175V input
Output Efficiency 90    92 % 220V AC input  
85     % 110V AC input
 
Ambient requirements
Parameters Min Typ. Max Unit Remark
Operating temp -33 55 55 °C >65 ºC , auto protection
Storage temp Storage temperature -50   80 °C  
Humidity 5   95 % Relative humidity, no condensing
Altitude -60   4000 m For operation above 2500m (5000 ft.),
Maximum operation temperature is derated by 2°C per 305m (1000 ft.) C.
-200   13000 ft
Earthquake rating 4     Zone  
Acoustic noise   55   dB In proportion to fan speed, load and ambient temperature


About us: 
 
20A AC-DC Rectifier for 48V Telecom Power System/Electric Power System
20A AC-DC Rectifier for 48V Telecom Power System/Electric Power System

 

 

Switching Power Supply

PNEUTEC.IT, 2023