2U Rack-mount DC Power System Modular Rectifiers Wide AC Input
Product Overview of 2U Rack-mount DC Power System
The ET48 series 2U rack-mounted DC power system is a high-capacity
solution designed for telecom networks, data centers, and
industrial facilities requiring reliable DC supply. It supports
220VAC single-phase input, delivering a stable –43 to –58VDC output
with a rated value of –53.5VDC. With a maximum capacity of 9kW,
this system ensures sufficient power for large-scale applications
while maintaining efficiency above 96%.
The system integrates up to 3 rectifier modules(N+1 redundancy),
each rated at 3000W and weighing ≤2kg. These modules feature forced
cooling, high power factor ≥0.99, and THD ≤5%, ensuring clean and
stable DC power conversion. With front maintenance, top cable
entry, and IP20 protection, the design prioritizes safety,
serviceability, and ease of integration into 19-inch racks.
DC distribution includes 2*125A battery breakers and 4*32A+4*50A
load breakers, providing flexible and secure load management. The
intelligent controller supports 3 analog inputs, 7 digital inputs,
6 dry contact alarms, and remote communication via RS232/485 and
SNMP. Local monitoring is enabled through an LCD display.
Built for challenging environments, the unit operates from –40℃ to
+65℃, withstands 5–95% non-condensing humidity, and maintains
stable operation at altitudes up to 3000m. With its modular
architecture and robust performance, the 2U DC power system is an
ideal choice for critical infrastructure requiring scalable and
dependable energy solutions.
System of 2U Rack-mount DC Power System
Dimension: 482.0(W) × 350.0(D) × 2U(H)
Weight: ≤20kg (without rectifiers)
Cooling mode: Natural cooling
Installation mode: Installed on 19-inch rack or inside the cabinet
Cabling mode: Top inlet and top outlet
Maintenance mode: Front maintenance, support module grade change
Protection level: IP20
AC Distribution of 2U Rack-mount DC Power System
Input mode: 220VAC single phase
Input capacity: 2×63A/1P
Input frequency: 45–66Hz, rated value: 50Hz/60Hz
AC SPD: 20kA/40kA, 8/20μs
DC Distribution of 2U Rack-mount DC Power System
Output voltage: –43 ~ –58VDC, rated value: –53.5VDC
Maximum capacity: 9kW(3*3kw, N+1 redundancy)
Battery breakers: 2×125A/1P
Load breakers: LLVD: None; BLVD: 4×32A/1PN+4×40A/1PN
DC SPD: 10kA, 8/20μs
Controller of 2U Rack-mount DC Power System
The controller of 2U Rack-mount DC Power System adopts ARM32-bit
Cortex-M4 CPU as primary processor, it offers many features and
functions, and a morerobust, user-friendly, and easy-to-use
interface. The controller provides powerful hybrid powermanagement
functions, including management of diesel generator,VRLA and
lithium-ion batteries andsolar modules.
Controller | Controller | MC2600 |
| Signal input | 2 AI(2 ambient temp) ,7 DI |
| Alarm output | 6 dry contact |
| Communication mode | LAN, SNMP, RS485 |
| Interface | LAN, RS485 |
| Display mode | LCD |
