HJDUM03 series Embedded Communication Switching Power Supply System
HJDUM03 series Embedded Communication Switching Power Supply System
Chat OnlineHJDUM03 series embedded communication switching power supply system is designed and produced 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, 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.
Product Features
• The module allows a wide range of grid input voltage variation (90Vac ~ 300Vac)
• It adopts advanced topology circuit, realizes soft switching technology in wide load range, and conversion effciency is more than 96%
• The intelligent monitoring unit adopts advanced charging management mode for the battery, which helps to extend the service life of the battery
• The system has the function of effciency management, which can efectively improve the working effciency of the system and achieve the purpose of energy saving and emission reduction
• The system realizes local or remote centralized monitoring through RS-485 or TCP / IP network card interface
• It has multichannel DC metering and multistage power down function
• The rectifier module in the system is hot swapped, and all adjustment and operation are on the front
• It has over-current, over-voltage, over temperature and other protection and alarm functions, and the system has high reliability
• It has multistage surge protective device, which can withstand the current impact of 20kA (maximum 40kA) with 8 / 20μs waveform
• It is suitable for wider temperature range, with working temperature range of - 40 ℃ ~ 75 ℃
Application Scenarios
It is suitable for various mobile communication base stations, integrated access nodes, distributed base stations and other indoor occasions.
Basic Configuration
| 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 | ||
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