Greencisco Industrial Co., Ltd.
-48VDC telecom system
DC power system with 48VDC,53.5VDC output for communication devices.
Ethernet,Servers,Exchangers,Local area network (LAN) and metropolitan area network,Indoor wireless network,Telecommunications equipment,48V distributed system
Rectifier Power System consists of the distribution frame, monitoring module and rectifier module. Output voltage: -48VDC(42VDC-58VDC).Capacity is 1600W
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 or 128VDC-396VDC
● Output: 53.5VDC, 48VDC, output range:42-58VDC
● Wide operating range of AC input voltage:90~280VAC
● Operating temperature range: -25℃~+55℃


GSP-53.5V power system
Parameter Minimum Normal Maximum Unit Remark
Input voltage range 90 220 280 Vac
Input frequency 45 50 65 Hz
Input current 50 A
Power factor 0.99
DC input voltage 128 396 Vdc
Output voltage range 42 53.5 58 Vdc
Output current range 0 30 A 176-280Vac or176-396Vdc
Ripple(Vp-p) 200 mV
Efficiency 91 % 220Vac input
Regulation 85 % 110Vac input,15A output
Load regulation ±1 %
Line regulation ±1 %
Output power 1600 W 176-280Vac or176-396Vdc
Insulation Requirement
Input-output 3000Vdc/10mA/1min
Input-chassis 1500Vdc/10mA/1min
Output-chassis 500Vdc/10mA/1min
Leakage current <3.5mA
Resistance Humidity:90%,testing voltage:500Vdc,input-output/input-ground/output-ground not be less than 10MΩ
Normal Temperature -15 25 +55 °C startup at -40°C,when temperature at 65°C,output derating to 80%
Operating temperature -25 +55 °C
Storage temp -40 +80 °C
Humidity 5 90 % no condensing
Atmospheric press 70 106 Kpa
Altitude 0 3000 m
Cooling Forced fan
Ingress protection machine can work at dust of 5um,density<3*104/m3
Size 380*280*160mm
Weight 9kgs
EMC standard
Harmonic current IEC61000-3-2[6] Class A
RS IEC61000-4-3 Level 3
CS IEC61000-4-6 Level 3
ESD EN/IEC 61000-4-2,contact discharge+/-6kv,Air discharge:+/-8kv,Conductor contact discharge:+/-2kv
RE EN55022 Class B
CE Input:EN55022 Class B
EFT/B IEC61000-4-4 Level 3
Surge IEC61000-4-5 Level 4
Lightning AC input bare ±5 times of impacts of 5KA, lightning strike impact current waveform of 8/20us with interval of 1 minute
DIP(220Vac) EN/IEC61000-4-11
Safety standard IEC60950-1,UL60950-1,CAN/CAS-C22.2, No. 60950-1,EN60950-1
Hot plug Yes
Reliablity <250000 hours
Parallel N+1 redundancy and current sharing available at parallel operation
Environment protection No cadmium,hydride or fluoride,No organic compounds,no asbestos,packages are recyclable
About Us
Company Introduction
Global Certification
Contact us
New Energy
Network Solutions
Industrial Solutions
Household Solutions
Motive Power Solutions
Telecom Power and Charger
Photovoltaic Energy
Inverter and Stabilizer
Technical Support