Embedded Communication Switching Power Supply

Discover the HJDUM03 Series Embedded Communication Switching Power Supply System, designed for communication applications. Features include wide AC input voltage (90Vac ~ 300Vac), 96% conversion efficiency, intelligent battery management, RS485/TCP/IP monitoring, and multi-stage protection. Ideal for mobile base stations and indoor communication nodes.

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The HJDUM03 series embedded communication switching power supply system targets the needs for communication application, energy saving, and emission reduction. The series has a wide AC input voltage range, an extended working temperature range, thus is suitable for various environments. This system is mainly composed of the HJDMA10-48/50 series rectifier module, and the HJDKD03 monitoring unit. It uses a standard 19-inch embedded installation and provides DC distribution to four user groups-four user groups can be customized upon request. Each user group can provide its own DC metering and power monitoring by time. It also supports RS485 or Ethernet monitoring interfaces for efficient management of the system.

The Features of Huijue Embedded Communication Switching Power Supply Products

Supports wide range of grid input voltage variation: 90Vac ~ 300Vac.
Unique topological circuitries, with soft switching technology adopted, ensure the conversion efficiency is over 96% in a wide load range. The advanced intelligent monitoring unit integrates the most advanced battery charging management system to extend the life of the battery.
Efficiency management function available to optimize system performance for better energy saving and emission reduction. Local or remote centralized monitoring available through RS-485 interface or TCP/IP network card interface. Multi-channel DC metering and multi-stage power-down are supported.
Hot-swappable rectifier modules with front-facing adjustments and operations.
Over-current, over-voltage, over-temperature protection, and alarms are done to further improve system reliability.
Multi-stage surge protection equipped, waveform 8/20μs current impact up to 20kA (maximum 40kA).
Operating temperature: -40°C ~ 75°C.

Application Scenarios

Very suitable for indoor application of different mobile communication base stations, integrated access nodes, and distributed base stations.

The Key Performance Indicators of Embedded Communication Switching Power Supply

Product model	HJDUM03/200	>HJDUM03-48/400	HJDUM03-48/600
AC input	220Vac, Single Phase Three Line	>380Vac,Three phase ﬁve wire system	380Vac ，Three phase ﬁve wire system
AC input switch	63A/2P×2 Manual switching	>63A/3P×2 Manual switching	100A/3P×2 Manual switching
AC outputshunt (optional)	16A/1P×5,10A/1P×4， Maintenance socket × 1	>16A/1P×5,10A/1P×4， Maintenance socket × 1	16A/1P×5,10A/1P×4， Maintenance socket × 1
AC lightning protection	Class C, nominal 20kA	>Class C, nominal 20kA	Class C, nominal 20kA
Maximum system capacity	-48V / 200A: equipped with 4 rectiﬁer modules	>-48V / 400A: equipped with 8 rectiﬁer modules	-48V / 600A: equipped with 12 rectiﬁer modules
Loadshunt	Client 1: Under load: 100A × 1 (circuit breaker), 16A × 1 (circuit breaker), 6A × 1 (circuit breaker); Battery power down: 25A × 1 (circuit breaker) Customer 2, customer 3 The shunt circuit is the same as that of the customer; Customer 4: Under load: 63A × 1 (circuit breaker); Battery power down: 10A × 2 (circuit breaker)
Battery shunt	125Ax4(circuit breaker)
DC lightning protection	Rated ﬂow 20kA
Battery temperature cable	1 piece of 3M long cable