HJDUM03 Series Embedded Network Power Regulation System
HJDUM03 series embedded communication switching power supply system is designed and manufactured for communica-tion application and energy saving and emission reduction requirements. This series of power supply is wider in AC input voltage range and wider in working temperature range, suiting for diferent applications.
- The large grid input voltage range can be allowed. From 90Vac up to 300Vac.
- Advanced topology circuit adoption allows for the realization of soft switching technology in a wider range of loads. The conversion efficiency is over 96%.
- The use of an intelligent monitoring unit, where advanced charging mode is used for the battery, increases its service life.
- It provides an effciency management function to effectively improve the working effciency of the system and achieve the purpose of energy conservation and emission reduction.
- The system realizes local or remote centralized monitoring through RS-485 or TCP / IP network card interface.
- Multichannel DC metering, multistage power down functions.
- Hot swap of rectifier module in the system, and all adjustment and operation are on the front
- Over-current, over-voltage, over temperature and other protection and alarm functions; highly reliable system
- Multistage surge protective device that can withstand current impact of 20kA (Maximum 40kA) with 8/20μs waveform.
- Appropriate for a wider temperature range, the working temperature ranges from -40 ℃ to 75 ℃.
The HJDUM03 series embedded communication switching power supply system is designed and produced for the demands of communication application and energy saving and emission reduction. This series of power supply is wider in AC input voltage range and wider in working temperature range, and is suitable for diferent applications. This series of products are mainly composed of HJDMA10-48 / 50 series rectifier module and HJDKD03 monitoring unit,Standard 19 inch embedded installation,DC distribution is divided into 4 user groups (can be customized according to custom- ers),DC metering of 4 user groups and power of according to time can be carried out respectively,Configure RS485 or Ethernet monitoring interface.
It is suitable for various mobile communication base stations, integrated access nodes, distributed base stations and other indoor occasions.
| 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) |
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| Battery shunt | 125Ax4(circuit breaker) | ||
| DC lightning protection | Rated flow 20kA | ||
| Battery temperature cable | 1 piece of 3M long cable | ||