48V 50A 96% High Efficiency Switching Power Supply for Telecom Power System

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Shenzhen Gold Power Tech Co., Ltd.

VIP   Audited Supplier 18 years
Profile Certified by SGS/BV
GPR4850K-TI
Single
2 Years
2900W
Full Range
Parallel Switching Power Supply
Separate-excited Switching Power Supply
Width Modulation Type
Terminal Power Distribution Equipment
One-way Transmission
PFM
CE, RoHS, ISO, CCC, CB
Goldpower
Goldpower
Carton
2U
Shenzhen
8504401990
Product Description
 96% high efficiency 48V 50A rectifier module switching power supply  for telecom power system 

Features
 
•  Compact structure, high power density of 22W/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~+55°C
•  Extended operating temp. range: +55~+65°C
•  Power factor correction: ≥0.99
•  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 96%
 
Applications
 
48V Distributed power system
Ethernet
Exchange
LAN, WAN
Server
Indoor wireless network
Telecom equipment

 


Specification:
 
Input
ParameterMin.TypMax.UnitRemarks
Input Voltage Range90110/220290Vac 
Input Frequency4550/6065HzRated load
Input Current  18.5A 
Power Factor0.99   Rated input/rated load                   
 
Output
ParameterMin.Typ.Max.UnitRemarks
Output Voltage Range4253.558VdcAdjustable via the monitoring module (No load)
53.5 53.8Vdc220V Input, 25A Output
Output Current Range0 50A176~290V ac Input
0 22A90~175V ac Input
Output Efficiency94 96%220V AC Input (220Vac input, rated output voltage, 25% rated load current 94
94 96%110V AC Input
Output Power  2900WInput: 200-240Vac; Output: 53.5Vdc
 
  1200WInput: 115-130Vac; Output: 53.5Vdc;
Regulation  ±1% 
Weighted Psophometric Noise  2mV 
Wide Frequency Noise Voltage  50mV(3.4KHz~150KHz)
  20(150KHz~30MHz)
Ripple (Vp-p)  200mVRated input voltage & load, with 0.1uF film capacitor and 10uF high frequency electrolyte capacitor, oscilloscope band width of 20MHz.
 
Environmental Requirements
ParametersMinTyp.MaxUnitRemark
Operating temp-33 55°C 
Transportation temp-40 -70°C 
Storage temp storage temperature-40 70°C 
Humidity5 95%Relative humidity, no condensing
Altitude0 4000mFor operation at 3000-4000m, the operation temperature is derated by 1°C per 200m.
Acoustic noise 55 dB 
CoolingForced cooling; Front-in & rear-out; the fan locates at front, with temperature controlled speed.

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