Product Introduction
EVS4860 Switching Power Supply 48V 60A DC Power System converts AC input to stabilized -48V DC output.
It features hot-swappable rectifiers and provides a 60A output with a compact 1U height. Designed for installation in a standard 19-inch rack or cabinet, this DC power system provides excellent performance, including intelligent battery management and remote management capability.
Switching Power Supply 48V Specifications
- Standard installation structure design with strong versatility.
- Input voltage of normal operating range as wide as 80 ~ 300Vac & 100-400Vdc.
- Rectifier module operating temperature range of -40 ~ +75 °C.
- Hot-swappable technology for convenient installation and maintenance.
- Compact power supply structure saves space and installation costs.
- High efficiency rectifier module efficiency over 96%, supporting energy saving and emission reduction.
- Perfect module sleep function to further improve system efficiency.
- Intelligent battery management and battery protection to extend battery life, with compatibility for lead-acid and lithium batteries.
- Support Module anti-theft, communication input detection, environmental monitoring, and remote management through dry contacts, serial ports, or RS485/Modbus/SNMP network interfaces.
Switching Power Supply 48V for Industrial Electrical Equipment 60A 48VDC 3KW Power Supply
Product Attributes
- Output Type: Single Phase
- Size: 482*44*153MM
- Output Current: 60A
- Input Voltage: 90~280VAC
- Model Number: EVS4860
- Type: AC-DC Switching Power Supply 48V
- Use Case: Exchange room, server room, base station, data communication, laboratory
- Efficiency: 0.95 (95% / up to 96% efficiency)
- Output Voltage: -48V
- Protection: Over Temperature Protection
- Output Frequency: 50/60 Hz
Product Features
- Hot-swappable Rectifiers & Controller: Seamless maintenance without system interruption.
- Integrated Module Loss Alarm: Real-time monitoring for high reliability.
- Communication Input Power Detection: Ensures stable power delivery under varying input conditions.
Power System Configuration
| Optional Configuration |
Rectifier Module |
Module Number |
Distribution |
Monitoring Module |
Remark |
| Configuration |
30A |
1-2pcs |
AC/DC distribution: 220V input, Load output: 30A-60A |
Monitor |
Specific index refer to module specification |
DC Power Supply Work Principle
Power System Performance Index
Input Parameters
| Parameter |
Min. |
Rated |
Max. |
Unit |
Note |
| Rated working voltage range |
- |
110/220 |
- |
Vac |
- |
| Input voltage range |
90 |
220 |
290 |
Vac |
Three-phase five-wire input phase to phase 380V / relative zero line 220VAC |
| Input frequency |
43 |
50 |
67 |
Hz |
- |
| Battery input |
43.2 |
53.5 |
58 |
Vdc |
Battery pack’s positive and negative in parallel with DC output of rectifier module (polarity consistent) |
Output Parameters
| Parameter |
Min. |
Rated |
Max. |
Unit |
Note |
| Output voltage range |
42 |
53.5 |
58 |
Vdc |
- |
| Output current range (max. current) |
0 |
- |
60 |
A |
Input 170 ~ 285VAC, when input voltage is below 170VAC, output at derating manner. |
| Regulation accuracy |
- |
- |
±1 |
% |
- |
| Load regulation |
- |
- |
±1 |
% |
- |
| Source regulation |
- |
- |
±1 |
% |
- |
| Current sharing regulation |
- |
- |
±5 |
% |
- |
| Ripple (peak – peak value) |
- |
- |
200 |
mv |
Network 20MHz testing. |
| Output efficiency |
91 |
93 |
- |
% |
220V Input |
Product Overview & Applications
Frequently Asked Questions (FAQ)
Q1: What are the main applications of this 48V Switching Power Supply?
A1: This power supply is designed for standard 19-inch racks and cabinets, making it ideal for exchange rooms, server rooms, base stations, data communication networks, and laboratories.
Q2: Can the rectifier and controller modules be hot-swapped?
A2: Yes, both the rectifiers and the monitoring controller support hot-swappable technology, allowing for convenient installation, upgrades, and maintenance without powering down the system.
Q3: What types of batteries are compatible with this power system?
A3: The power system features intelligent battery management and is compatible with both traditional lead-acid batteries and modern lithium batteries.
Q4: Does the system support remote monitoring and management?
A4: Yes, the system supports environmental monitoring and remote management via dry contacts, serial ports, or RS485/Modbus/SNMP network interfaces.
Q5: How does the power supply protect itself and connected equipment?
A5: It is equipped with module loss alarms, communication input power detection, and built-in Over Temperature Protection to ensure safe and continuous industrial operation.
Q6: What is the energy efficiency rating of this product?
A6: The system achieves an output efficiency of over 95% (up to 96% for the rectifier module), reducing power loss and supporting energy conservation initiatives.
EVS Powers
