Efficient Communication Power System – HJDUM03 Series Switching Power Supply
The HJDUM03-series embedded communication switching power supply system is designed and manufactured to meet communica- tion application and energy saving and emission reduction requirements. This power supply series has a wider AC input voltage range, wider working temperature range, and is suitable for various applications.
Product Description:
Product Features:
Application Scenarios:
Product Description:
The communication and energy saving and emission reduction requirement, design and manufacture the HJDUM03 series embedded communication switching power supply system. This series of power supply is wider in AC input voltage range and wider in working temperature range, and is suitable for diferent applications. The series product mainly consists 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 customers), DC metering of 4 user groups and power according to time can be carried out separately, RS485 or Ethernet monitoring interface can be configured.
Product Features:
- The module allows a large input voltage variation of the grid: 90Vac ~ 300Vac
- Adopting advanced topology circuit, it realizes the soft switching technology in wide load range and conversion efficiency is above 96%
- The intelligent monitoring unit adopts the most advanced charging management mode for the battery to prolong the service life of the battery.
- Efficiency management function may effectively improve the system’s working efficiency and achieve energy saving and emission reduction purpose.
- System realizes RS-485 or TCP / IP network card interface of local or remote centralized monitoring
- Multiple channels DC measuring, multi-level power down
- The rectifier module in the system is hot-swapped, and all adjustment and operation is on the front
- It has over-current, over-voltage, over-temperature and other protection and alarm functions, and the system has high reliability
- Has multistage surge protective device which can withstand current impact of 20kA (Maximum 40kA) with 8/20μs waveform
- Applicable to a wider temperature range, working temperature range – 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) |
||
| Battery shunt | 125Ax4(circuit breaker) | ||
| DC lightning protection | Rated flow 20kA | ||
| Battery temperature cable | 1 piece of 3M long cable | ||
Note: product configuration can be customized according to customer needs.