Wide input voltage range, output voltage can be fine-tuned
Connected to battery, with charge/discharge management function
High accuracy of voltage stabilization, small output noise ripple
Overload, overvoltage, overcurrent, over temperature, undervoltage, short-circuit and other protections
Intelligent temperature control cooling fan
Can be used in parallel with more than one equalizing current (optional when ordering)
Standard 19-inch rack mount
AC220V and DC220V dual input can be customized (optional when ordering)
48v switching power supply Input Specifications
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)
48v switching power supply Output Specifications
Parameter
Min.
Rated
Max.
Unit
Note
Output voltage range
42
53.5
58
Vdc
-
Output current range (max.current)
0
-
30
A
Input 170 ~ 285VAC, when the 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
-
%
220Vac Input
Frequently Asked Questions (FAQ)
What is the output voltage range of this switching power supply?
The output voltage range of this unit is adjustable from 42 Vdc to 58 Vdc, with a rated output of 53.5 Vdc. This allows fine-tuning to meet specific load and equipment specifications.
Can this power supply charge battery systems directly?
Yes, it features integrated battery charge and discharge management capabilities. The battery pack can be connected in parallel with the DC output of the rectifier module.
What safety and hardware protections are built into the device?
The system features comprehensive protection features, including overload, overvoltage, overcurrent, over-temperature, undervoltage, and short-circuit protections to secure connected devices and the power supply itself.
Does this unit support parallel operation for higher current needs?
Yes, this power supply can be linked in parallel with multiple units using an equalizing current design. This configuration option is available when ordering.
What type of cooling system does the power supply utilize?
It features an intelligent temperature-controlled cooling fan. The fan adjusts its speed dynamically based on the internal heat levels to reduce noise and optimize efficiency.
What is the mounting format of the 48V power supply?
It is built to a standard 19-inch rack-mount standard, enabling straightforward integration into industrial cabinets and standard server racks.
EVS Powers
