Greencisco Industrial Co., Ltd.
DC power with output: 21-28.5VDC
DC power system with 21-28.5VDC output for communication devices.
Ethernet,Servers,Exchangers,Local area network (LAN) and metropolitan area network,Indoor wireless network,Telecommunications equipment
Rectifier Power System consists of the distribution frame, monitoring module and rectifier module. Output voltage: 21-28.5VDC.Capacity is 1100W
he whole system is of high reliability and performance, and can be operated through PC software.With high technology such as soft switching, intelligent fan cooling, and Magnetic Shield in the design and development of the power supplies.Power system are also of high efficient and high reliability, with extra low electromagnetic interference,which make them easy to maintenance.
Which can be widely applied to the Base Station of GSM/CDMA, Exchange Bureau of medium-low capacity, Satellite Communication, Data Communication,mobile communication,Access network,microwave communication,electric power system,ect.
● Input:90-280Vac
● Output:21-28.5VDC
● Wide operating range of AC input voltage: 90~280VAC
● Operating temperature range: -25℃~+55℃


Specification Minimum Normal Maximum Unit Remark
Capacity(W) 1100 W
Input voltage range 90 220 280 Vac
Input frequency 45 50/60 65 Hz
Power factor 0.99
Output voltage range 21 27.5 28.5 Vdc
Output current range 40 A
Stabilized voltage precision ±1 %
Load regulation ±8 %
Line regulation ±0.5 %
Ripple(Vp-p) 200 Mv
Output efficiency 90 % 220Vac
Temperature coefficient ±0.02% /°C
Input overvoltage protection 285 305 Vac
Overvoltage recovery 280 Vac
Input undervoltage protection 85 Vac
Input undervoltage recover 90 Vac
Output overvoltage range 29.5 30 31 Vdc
Output overcurrent range(24V) 42 44 48 A auto recovery
Over temperature protection 65 auto recovery
MTBF >150000hours
Noise 45dB
Input-output 3000Vac/10mA/60S
Input-ground 1500Vac/10mA/60S
Output-ground 500Vdc/10mA/60S
Resistance >less than 10MΩ
Leakage current <3.5 mA
Surge GB/T 17626.5 LEVEL 3:line-line:2KV;line-ground:4KV
EMC IEC60950,UL60950,EN60950 standard
Working temperature -25 55
Humidity 10 95 % no condensation
Atmospheric pressure 70 106 Kpa
Cooling fan
Size 270x93x42MM
Weight 1.5kgs
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