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ZTE DC Power Supply System

ZTE ZXDU68 B301 Embedded 48V DC Power System 300A 18kW 19-inch 6U

The ZTE ZXDU68 B301 is a 19-inch 6U embedded -48 VDC power system with six ZXD3000 rectifiers forming a 300 A / 18 kW plant with 96.3% peak rectifier efficiency and 85-295 VAC wide input.
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Product Overview

The ZTE ZXDU68 B301 is a 6U-high, 19-inch-wide embedded DC power system delivering -48 VDC for communication equipment. With six ZXD3000 high-efficiency rectifiers fully configured, it forms a 300 A system with a rated output power of 18 kW, making it a natural higher-capacity companion to the ZXDU68 B201 in 19-inch cabinets.

The system operates from a wide 85-295 VAC input (45-66 Hz) and keeps output voltage accuracy within 0.5%. High-efficiency rectifiers reach a peak efficiency of 96.3% with system efficiency of 95% or better at rated load, and the supervision unit automatically sleeps redundant rectifiers – sleeping modules draw no more than 4 W.

A standard USB port supports batch parameter setup, history export and software upgrade via USB drive, while monitoring networking covers input/output dry contacts, RJ45 Ethernet and RS485, meeting Telnet, HTTP, FTP and SNMP requirements. The ZXDU68 B301 is listed in the ZTE digital energy documentation map (V6.0R99M01).

Key Features

  • 19-inch / 6U embedded DC power system for -48 VDC
  • 6 x ZXD3000 high-efficiency rectifiers, 300 A / 18 kW rated
  • Rectifier peak efficiency 96.3%; system efficiency >= 95%
  • Wide 85-295 VAC input, 45-66 Hz, voltage accuracy <= 0.5%
  • USB port for batch setup, data export and upgrade
  • Dry contacts, RJ45 and RS485; Telnet/HTTP/FTP/SNMP networking
  • Intelligent battery management with low-voltage disconnect

Specifications

Parameter Value
Capacity 300 A system (6 x ZXD3000), rated output power 18 kW
Voltage Input 85-295 VAC phase voltage, 45-66 Hz; output -53.5 VDC (-42 to -58 VDC adjustable via CSU)
Efficiency Rectifier peak 96.3%; >= 95% at rated load
AC Distribution Max input current 36 A; AC auxiliary output 1 x 16 A/2P
DC Distribution Battery input 2 x 125 A/1P breakers; DC SPD Imax = 15 kA (8/20 us)
Operating Temperature -40 to +75 degC (full load to +55 degC); storage -40 to +85 degC
Other MTBF >= 2.2 x 10^5 h; standard 19-inch embedded installation

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