The 2.5KW Dual input Power Supply Unit (PSU) efficiently supplies both main output DC power and standby DC power from either AC or DC sources. This compact PSU provides 2.5kW, 12.5V / 200A for main power output and 30W, 12V / 2.5A for standby power applications.
In addition, this PSU supports PMBUS1.2 with boot loader, LED status indicators, and circuit protection features.

"This compact PSU provides 2.5kW, 12.5V / 200A for main power output."
Key Features
PS-2252-1QDU |
---|
Dual-input connection with AC (180-264VRMS) or DC (190-300VDC) for each input source |
2.5kW, 12.5V / 200A main output power |
30W, 12V / 2.5A standby output power |
Single-phase AC input and DC input |
Interleaved Power Factor Correction (PFC) technique |
PMBUS1.2 Communication protocol |
Platinum-rated efficiency |
Parallel redundancy |
8 sets of unique PSU addresses |
Specifications
Model Number | PS-2252-1QDU | 2.5kW Power Supply |
---|---|
Input Voltage 1, nominal | 208 VAC / 220VAC / 230VAC / 240VAC or 240VDC |
Input Voltage 2, nominal | 208 VAC / 220VAC / 230VAC / 240VAC or 240VDC |
Main Output Power | 2.5kW (Main), 30W (Standby) |
Output Voltage, nominal | 12.5VDC (Main), 12VDC (Standby) |
Communications | PMBUS1.2 |
Operating Temperature | 0°C to 50°C |
Approvals | UL60950-1, IEC60950-1 International, GB4943, RoHS |
Dimensions (H x W x D) | 3.98’’ x 2.59’’ x 15.74’’ (101.1 mm x 66.0 mm x 400.0 mm) |
Warranty | 2 Years |
Where to Buy

Power shelf fully loaded with six 2.5kW PS-2252-1QDU power supply units
System Components
The system provides a comprehensive power management and battery backup capability based on existing building blocks with configuration flexibility to suit specific power, size, and run-time requirements. The table below provides additional information on the building blocks available to create a customized power solution.
Component | Model Number | Description |
---|---|---|
Power Shelf | PF-2123-1LDM | 12.5KW (5+1), 3 Phase, 5-wire connection, 2.5U Power Shelf with 6 pcs power module slots and one Shelf Controller slot |
Power Shelf | PF-2123-1LDN | 12.5KW (5+1), 3 Phase, 4-wire connection, 2.5U Power Shelf with 6 pcs power module slots and one Shelf Controller slot |
Power Supply Unit | PS-2252-1QDU | 2.5kW Hot-Swappable Power Supply Unit |
Battery Backup System | BP-1442-01X | 4.4KW 1U Battery Backup Shelf with 4 slots |
Battery Backup Unit | BM-1112-01X | 1.1kW Battery Backup Unit |
Shelf Controller | CM-12CP-010U | Manages the Power Shelf and Li-ion Battery Backup System (BBS) |
Site Management Controller | CP-13EC-010U | Rack management and control |
21-inch OCP Rack | KT-2141-121 | 21-inch Open Frame Rack |