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

Name: 20A AC-DC Rectifier for 48V Telecom Power System/Electric Power System
Brand: all-electronics-online.com
SKU: 726999542
Availability: InStock
Rating: 4.5 (135 reviews)

Price:	Negotiable/Piece
Min Order:	10/Piece
Pay Type:	L/C,T/T

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Showroom Product Company Profile

Prod Model:	GPR4820C
Output Type:	Single
Warranty:	2 Years
Input Voltage:	Full Range
Connection Mode:	Parallel Switching Power Supply
Starting Mode:	Separate-excited Switching Power Supply
Voltage Regulating Mode:	Width Modulation Type
Power Supplying System:	Terminal Power Distribution Equipment
Certification:	CB
Output Power:	1200W
Brand:	Gold Power

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
Output Power	0	600		W	90-175V input
Output Efficiency	90		92	%	220V AC input
Output Efficiency	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.
Altitude	-200		13000	ft
Earthquake rating	4			Zone
Acoustic noise		55		dB	In proportion to fan speed, load and ambient temperature

About us:

Shenzhen Gold Power Tech Co., Ltd. Was established in 1995, a leading excellence integrated power supply solutions partner in the industry. There's an independent industrial park with 80, 000 square meters in Pingshan district, Shenzhen, China. With more than 478 employees and many core intellectual property rights. The production capacity of all kinds of power supply is 6 million units every year, products are exported to more than 30 countries and regions over the world. Goldpower has been the national high-tech enterprise after more than 20 years of practice in power supply industry.

Our products cover Telecom, Green Solar Energy, Automobile application electronic and New energy fields formed six core product series, including standard telecom power supply, remote power supply, HVDC, Solar PV(photovoltaic), LED power supply and the car rechargeable power supply, widely used in communications, power electronics, automatic control, railway, military industry, medical treatment, financial self-service, LED, solar power and automobile charging control system.

We are ISO9001 approved enterprise and we can promise you good quality. Welcome to contact us for business cooperation.