2025 New 48v DC Rectifier Power System 200a-300a DC-DC Converter for Industry with 220v-380v Input Voltage Low Price
- Application:Industry, Telecommunications room
- Efficiency:0.95
- Protection:Overvoltage protection, Over Temperature Protection, Overloading Protection, Overcurrent Protection
- Place of Origin:Guangdong, China
- Brand Name:OEM ODM
- Model Number:EVS48250
- Output Type:Single Phase
- Input Voltage:220V, 380V
- Output Voltage:-53.5V
- Output Frequency:45-65hz
- Output Current:250A
- type:AC-DC, DC-DC
- Type:telecom rectifier for switching power supply
- Function:Telecom base stations
- Voltage and current:Display
- Module:Hot-swap
- Condutor:Rectifier Module
- Colors:Customizable
- AC Input:220V/380V
Features with the following specifications:
1,48V high-frequency switching DC power supply for wall adopts active power factor compensation technology, power factor up to 0.99.
2,AC input voltage of normal operating range as wide as 90 ~ 280V.
3,48V high-frequency switching DC power supply for wall adopts full bridge soft switching technology, efficiency can reach above 96%.
4,Enhanced battery management harnesses advanced features like low voltage load disconnect (LVLD) and low voltage battery disconnect (LVBD) for optimal performance. These technologies, along with temperature compensation, automatic float control, automatic voltage regulation, and battery capacity estimation, enable continuous monitoring and effective maintenance of the battery health.
5,Switching Power Supply for System integration adopts no damage hot insert and pull technology, replacement time less than 1min.
6,Network design, providing a variety of communication interfaces (for example: RS485, dry contact), flexible networking can achieve local and remote monitoring, unattended. Perfect AC and DC side lightning protection design used in multi thunderstorm area.
7,Complete fault protection, fault alarm function.
8,Comprehensive operation and maintenance, and can be mounted against the wall, saving space effectively.
9,Ultra-low radiation. Adopt advanced electromagnetic compatibility design, the rectifier module can meet requirements for conducted and radiated interference of"the communication power equipment electromagnetic compatibility Limits and methods of measurement"( People's Republic of China telecommunications industry standard YD/T983).
10,Safe and reliable. System design in full compliance with safety standards EN60950 and GB4943.
| 48V high-frequency switching DC power supply for wall integration | |||||
| Optional | Rectifier | Module number | Distribution | Monitoring | Remark |
| Configuration | 50A | 1-5pcs | Distribution: AC380V/230V input, Load output:50A-200A | Monitor | Specific index refer to module specification |
| dc power system performance index input | |||||
| Parameter | Min. | Rated | Max. | Unit | Note |
| Rated working voltage range | 110/230 | Vac | |||
| Input voltage range | 90 | 230 | 280 | Vac | Three-phase five-wire input phase to phase 380V / relative zero line 230VAC |
| Input frequency | 43 | 50 | 67 | Hz | |
| Battery input | 40 | 48 | 60 | Vdc | Battery pack’s positive and negative in parallel with DC output of rectifier module (polarity consistent) |










