20 kW Power Shelf

The 20kW power shelf is a 8-slot chassis that receives 3-phase input power and provides stable DC output power (1600A at 12.5VDC). This OCP 21-inch power shelf supports up to 8 high-power, hot-swappable Power Supply Units.

PF-2223-1L1N - 20kW 8 + 0 Power Shelf by Lite-On Power System Solutions
"8 high-power, hot-swappable 2.5kW Power Supply Units provide 20 kW of power."

Key Features

3-phase, 4-wire 208 / 220 / 230 / 240VAC, 20kW power output (2.5kW x 8; 12.5VDC/1600A)
Real-time PSU and BBS monitoring and control
Hot-swappable 2.5kW Power Supply Unit
Communication with Li-ion Battery Backup Shelf (BBS)
21-inch, 20kW Power Shelf with a height of 3 OU (OpenU), 5.12 inches (130 mm)
Supports 6x C13 outlets for external AC load
Supports 2 or 3 sets of bus bars to deliver DC output loading
Shelf Controller provides system communication capability for shelf remote on/off along with power and Li-ion Battery Backup Shelf monitoring


Model NumberPF-2223-1L1N | 3 Phase 20kW Power Shelf
Maximum Output Power20kW
Input3-phase, 4 wire 208 / 220 / 230 / 240VAC
Output20kW (12.5VDC / 1600A)
CommunicationsCAN, PMBUS1.2
Operating Temperature0°C to 50°C
Dimensions (H x W x D)5.12’’ x 21.02’’ x 25.55’’ (130 mm x 534 mm x 649 mm)
Warranty3 Years

Three-Phase Power Shelf System Components

ComponentModel NumberDescription
Power ShelfPF-2223-1L1N
(3-phase, 4-wire)
Three-Phase 20 kW Power Shelf chassis includes one Shelf Controller slot and eight PSU Module slots
  • Power Module slots (8)
  • Shelf Controller slot (1)
Power Supply UnitPS-2252-6L1U2.5kW Hot-Swappable Power Supply Unit
Battery Backup SystemBP-1442-01X4.4KW 1U Battery Backup Shelf with 4 slots
Battery Backup UnitBM-1112-01X1.1kW Battery Backup Unit
Shelf ControllerCM-1232-010UManages the Power Shelf and Li-ion Battery Backup System (BBS)
Site Management ControllerCP-13EC-010URack management and control
21-inch OCP RackKT-2141-12121-inch Open Frame Rack