50A rectifier for 48V telecom power system
Features
• Compact structure, high power density of 30W/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~+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
Applications
48V Distributed power system
Ethernet
Exchange
LAN,
W
AN
Server
Indoor wireless network
Telecom equipment
• 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
up to
9
3
%
Input
|
Parameter
|
Min.
|
Typ
|
Max.
|
Unit
|
Remarks
|
Input Voltage Range
|
90
|
110/220
|
290
|
Vac
|
|
Input Frequency
|
45
|
50/60
|
65
|
Hz
|
Rated load
|
Input current
|
|
|
18.5
|
A
|
|
Input inrush current
|
|
|
20
|
A
|
|
Power Factor
|
0.99
|
|
|
|
Rated input/rated load
|
Output
|
Parameter
|
Min.
|
Typ.
|
Max.
|
Unit
|
Remarks
|
Output Voltage Range
|
42
|
53.5
|
58
|
Vdc
|
Adjustable via the monitoring module (No load)
|
Output Current Range
|
0
|
|
50
|
A
|
154~290V ac Input
|
0
|
|
22
|
A
|
90~153V ac Input
|
Output Efficiency
|
92
|
|
|
%
|
220V AC Input (220Vac input, rated output voltage, 25% rated load current above, efficiency up to max. 93% )
|
86
|
|
|
%
|
110V AC Input
|
Output Power
|
|
|
2
9
00
|
W
|
Input: 200-240Vac; Output: 53.5Vdc
|
|
|
1200
|
W
|
Input: 115-130Vac; Output: 53.5Vdc;
|
Regulation
|
|
|
±1
|
%
|
|
Weighted Psophometric Noise
|
|
|
2
|
mV
|
|
Wide Frequency Noise Voltage
|
|
|
50
|
mV
|
(3.4KHz~150KHz)
|
|
|
20
|
(150KHz~30MHz)
|
Ripple (Vp-p)
|
|
|
200
|
mV
|
Rated input voltage & load, with 0.1uF film capacitor and 10uF high frequency electrolyte capacitor, oscilloscope band width of 20MHz.
|
Environmental Requirements
|
Parameters
|
Min
|
Typ.
|
Max
|
Unit
|
Remark
|
Operating temp
|
-25
|
|
55
|
°C
|
|
Transportation temp
|
-40
|
|
-70
|
°C
|
|
Storage temp storage temperature
|
-40
|
|
70
|
°C
|
|
Humidity
|
5
|
|
95
|
%
|
Relative humidity, no condensing
|
Altitude
|
0
|
|
4000
|
m
|
For operation at 3000-4000m, the operation temperature is derated by 1°C per 200m.
|
Acoustic noise
|
|
55
|
|
dB
|
|
Cooling
|
Fan cooling; Front-in & rear-out; the fan locates at front side and have the function of temperature control & speed adjustment
|
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