Introduction
DUMC-48/50H intelligent switching power supply is a high and new tech product designed and manufactured according to domestic and overseas main power condition and use requirements of the industry standard. DUMC series power system is compact and intelligent power system containing rectifier module, controller module, LVD, battery and loads MCB. It is specially designed for small capacity requirement. Equipped with battery, it will build up an uninterruptable AC power supply system which could be applied in the location which need DC power supply such as telecom, mobile, transmission, access network and water, power, military, public security, railway, banks etc and other specific fields.
Applications
Fiber optic network
Access network
Transmission equipment
Mobile communication
Satellite communication ground station
2G, 3G base station
Main Features
Standard 19", easy to be embedded into all kinds of telecom equipment.
Wide AC input range 90V to 300V.
PFC technique features the system high efficiency, energy-saving and up to 0.99 power factor.
Intelligent fan-cooling technique brings good cooling performance, low failure rate and high reliability.
Fast on-line expansion of rectifier modules enabled by hot-swap.
N+1 rectifier module redundancy.
Batteries monitoring and management enables backup batteries well maintained.
Technical Specifications
AC Input Voltage 85V--300V(Normal output
Between 176-285V)
Single phase three wires input
Frequency 45 ~ 65Hz;
Power Factor ≥ 0.99
Efficiency 91%, Rated;
Voltage wave distortion <5%
DC Output Voltage -48V(nominal);
Voltage Range -42V ~ -57.6V;
Current 200A ultimate capacity
Peak-peak noise ≤ 200mV;
Psophometric noise ≤ 2.0mV
Audible noise ≤ 55dBDC
Rectifier DZY-48/50H
Controller Model: DKD46;
AC distribution 1*16A socket
DC distribution 1st LVD: 2*63A MCB, 2*32A, 1*16A
2ND LVD: 2*16A, 1*10A
2*100A battery MCB
Local operation Menu driven software via keypads and LCD
Remote operation Modem/On-board web server/SNMP
Alarms Relays 8 relays
Digital inputs 4 options (for external equipment and battery)
Operating temp. -40 to +75° C
Storage temp. -40 to +85° C
Relative humidity <90%, no condensing
Atmospheric pressure 70KPa~106KPa
*Public listed (Code: 600405, Shanghai Stock Exchange) and fast growing company founded by a group of electronic engineers in 1995.
*Specialized in providing OEM/ODM services with range product lines both standard and customized.
*Built a strong R&D platform and a flexible production center with talented personnel, advanced facilities and proximately 15, 000 sq. M floor area.
*Providing cost-effective and propt-delivered products due to our streamlined business operation and China manufacturing hub.
*Certified with ISO9001, ISO14001and GB/T28001 with continuous quality improvement.
*Established as one of the major power suppliers for China telecom operators.
*Being active in international markets especially covering S. E. Asia, USA and Europe through long-term cooperation with local partners.
