HUAWEI Olt Rectifier ETP4890-A2 90A AC to DC 48V POWER Converter

Product Description:

ETP4890-A2 is a box DC power supply system with a wide range of application scenarios. It can be compatible with three rectifier modules: 15A high efficiency, 15A standard efficiency and 30A high efficiency. Each functional unit of ETP4890-A2 system adopts standardized size design, and different power units are mixed to form different configuration of box power supply. The system can adapt to wide range AC input, and has perfect battery management and remote monitoring functions.

Basic parameters:
Rated capacity: 45A/90A
AC input voltage: 85-300 VAC, rated voltage: 220 VAC
AC input frequency: 45-65Hz, rated value: 50Hz/60Hz
Power factor: > 0.99
Output voltage: 42-58 VDC, default output 53.5 VDC
Access Line & Maintenance: Pre-operation and Pre-maintenance
Rectifier module: 15A/30A
Heat Dissipation Mode: Natural Heat Dissipation
Installation: 19-inch rack, 21-inch rack or embedded cabinet installation
Protection Level: IP20

Environmental indicators:
Operating Temperature: -40 ~+70 Temperature
Working humidity: 5%-95%(no condensation)
Altitude: 0-4000m (in the range of 2000-4000m, the temperature index decreases by 1 C for every 200 m increase)

AC Distribution:
AC input mode: 380V three-phase/220VAC single-phase/110V double-fire line
AC output: not involved
AC input lightning protection: not involved

DC Distribution:
Battery branch: 1 x80A open
Load branch BLVD: 1 x 10A open, 1 x 32A open, 2 x 40A open
Load Protection Branch LLVD: Not involved

Monitoring Unit:
Perfect Battery Management Battery Floating Charge Management Battery Temperature Compensation
Real-time alarm light/LCD
System Control Rectifier Module Voltage/Current Adjustment Rectifier Module Switcher Controls Battery Turn on and Off
Sleep management, according to the load size, automatically adjust the sleep mode of rectifier module, reduce energy consumption

Remote monitoring:
Support dry contact alarm output (optional signal transfer box)
Support RS232/RS485/Ethernet

Default configuration:

Input:100-120V / 200-240V
Output:48V;90A
Rectifier module: R4830G1/R4830N2 3PCS
Monitoring module SMU01C 1PCS
Apply to:Huawei/Fiberhome/ZTE OLT

Product Features:
• Rectifier module meets CE, TUV and UL standards
• High rectifier efficiency over 96% helps to save energy, derated output above 55℃;

• Small size, high power density

• Wide range AC input voltage

• Perfect module dormancy function

• Perfect battery management function

• The system module supports non-destructive hot-swap Technology

• Smooth capacity expansion

• Remote monitoring function

Product application:

If you are interested, please let us know the specific model. We will provide the best service and the best price!

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Changsha Xingheda Technology Co., Ltd is a professional comprehensive service provider of telecommunications equipment. It is a company in the telecommunications industry with three qualifications: wireless, wired and auxiliary equipment. At present, in Changsha and HongKong has two intelligent warehouse factory distribution centers and some provincial centers. The company covers 12 provinces and cities, and has established good cooperative relations with China Mobile, China Unicom and China Telecom.

Our company set up an international sales headquarters in Changsha, China in 2016. Based in China, we have international operations in Southeast Asia, Europe, the United States, Africa,Rusia and Middle East region.It is an excellent operation and maintenance service provider for communication engineering, network optimization and maintenance. Provide base stations, transmission, power supply, optical modules, cables, terminals for leading telecom operators in the region, supporting auxiliary materials as equipment renovation and integrated maintenance services. Service manufacturers include Nokia, Ericsson, Huawei, ZTE, Bell, Alcatel, Nortel, Siemens, Lucent. Our purchasing channels include outsourcing products from operators and manufacturing resources of China's regional brand telecommunication equipment, as well as supply chain and inventory of China's largest telecommunication network equipment and spare parts. To meet the changing market demand, OEM / ODM customized business orders for various supporting products and accessories are available. We will expand our international market share with high quality products, high quality service, reasonable price and timely delivery. Please feel free to contact us for more information.