4800W Rectifier System For Telecom
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Detailed Product Description
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90A 4800W DC Power Rectifier System 220VAC Input 48VDC Output For Outdoor Telecom Cabinet
Model: GPE4890J
Introduction The DC power system is used for outdoor telecom cabinet, have the
features, efficiency and reliability to match the needs of most
telecommunication networks. We integrates high-efficiency modular rectifiers into shelf and
embedded rack systems featuring remote monitoring, custom
distribution centers, low voltage disconnects, alarms, relays and
enclosures for outdoor application. Features Adoption of active power factor compensation technology with
factor ＞0.99 Zero current/voltage switching tech with high efficiency ≥91% Hot swappable rectifier modules Ideal for 48V telecom power plants Wide operating range of AC input voltage: 90~280Vac DC power distribution options Advanced battery management, charge & discharge management,
battery temperature compensation, low voltage protection, extend
battery lifetime Surge protection Communication mode: RS232, RS485, Ethernet Input and Output Alarms The monitor has sleeping function, saving energy. Application ■ Access network ■ Transmission equipment ■ Mobile communication ■ Satellite communication ground station ■ Microwave communication Operating Principle After AC power is controlled by the AC hydraulic switch and then
through the EMI board lightning protection and filtering
processing, into the rectifier module, AC hydraulic switch has the
function of overload and short circuit protection to AC power. Under normal conditions, every parameter of rectifier modules and
distribution unit are all under control of the monitoring module,
operating according to the pre-set parameter or user’s commands. If
AC mains fault, the system will be powered by the battery. With the
battery discharge, the terminal voltage of the battery starts to
descend. When the battery voltage is under -46.2V±0.5V, the
monitoring module reports battery under voltage alarm signal; When
the battery voltage is under -45.6V±0.5V, close LVLD load output;
When the battery voltage is under -43.2V±0.5V, close LVBD load
output, then the power system stops working. When the external AC
mains recovers, the system will resume to the normal work state.
(All above monitoring data are system default values that users can
reset). Specifications
Dimension Drawing
Electric Connection
Wiring terminal Connection Instruction:
SPD: lightning arrester; L: live line; N: neutral line; transfer switch: lithium battery and lead acid battery transfer switch,switch to I - lithium battery; O - lead acid battery;
Signal input output terminal definition as the right:
FU1: battery fuse; LOADF: load fuse; 12V-12V power supply; SPD: lightning arrester signal;1-4: dry contact output.
Output terminal definition as the right:
BAT-: battery cathode; LOAD2-: LVBD cathode; LOAD1-: LVLD cathode; +: Load and battery cathode
Picture
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