DUMB-48/50H Wall-Mounted 48V Rectifier System for Telecom

Payment Terms: T/T
DUMB-48/50H Wall-Mounted 48V Rectifier System for Telecom

Product Description

Company Info

Product Description

Introduction
DUMB-48/50H wall-mounted power system is compact and intelligent power system containing up to 6 nos. DZY (50H) series rectifiers, controller, LVD, AC&DC distribution units, with special protection measures ensure the system operating in weak power grid environment well, to satisfy limited room applications.

Applications
Fiber optic network
Access network
Transmission equipment
Mobile communication
Satellite communication ground station
2G, 3G base station

Main Features
System total capacity up to 16.2KW output.
Suitable for outdoor application with various protection measures.
Wide AC input range 90V to 300V.
PFC technique features high efficiency, energy-saving and up to 0.99 power factor.
Intelligent fan-cooling technique enables 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.
RS232 communication interface.
Technical Specifications  
AC Input Voltage      1 phase three wire 90 ~ 300VAC;
Frequency      45 ~ 55Hz;
Power Factor        ≥ 0.99
Efficiency              ≥ 92% rated,
DC Output Voltage      -48V(nominal);
OutputVoltage Range        -42V ~ -58V;
Output Current            300Aultimate capacity
Peak-peak noise          ≤ 200mV;
Psophometric noise        ≤ 2.0mV
Audible noise        ≤ 55dBDC
Rectifier        DZY-48/50H
Controller Model:                 DKD31; LCD display panel4 buttons
Alarms Relays          8 relays
Operating temp.         -5 to +55° C
Storage temp.               -40 to +70° C
Relative humidity      < 90%, no condensing
Atmospheric pressure    70KPa~106KPa
Address: No. 8, Xinghuo Road, Science City, Fengtai District, Beijing, China
Business Type: Manufacturer/Factory
Business Range: Electrical & Electronics
Company Introduction: *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.
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