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

• Output Type: Single
• Warranty: 2 Years
• Output Power: 1200W
• Input Voltage: Full Range
• Connection Mode: Parallel Switching Power Supply
• Starting Mode: Separate-excited Switching Power Supply
• 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, UL, 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

Product Description

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

Features
   
•  Compact structure, high power density of 25W/in³ ;
•  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 60950, CSAC22.2 60950-00,
   VDE0805 and IEC60950 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






                                                                                              

 

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	>65ºC, auto protection
Storage tempStorage 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

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