25 kW Power Shelf

The Lite-On 25kW Power Shelf, designed for a 21″ rack, allows high efficiency at the rack level by accepting 3 phase power into the shelf and distributing single phase power to up to ten 2.5kW Power Supply Units (PSUs).

The 10 + 0 configuration of 2.5 kW hot-swappable Power Supply Units (PSU) allows for maximum power output.

“10 hot swappable 2.5kW Power Supply Units allow maximum output operation.”

Key Features

Supplies power up to 25kW
3U shelf accepts up to 10 hot-swappable 2.5kW Power Supply Units for maximum 10 slot operation
21-inch shelf with a height of 3 OU (OpenU), 5.17 inches (131 mm)
Communication with Li-ion Battery Backup Shelf (BBS)
Real-time PSU and BBS monitoring and control
Remote control PSU On/Off through the required Shelf Controller
Supports 3 sets of bus bars to deliver DC power to load


Model NumberPF-2253-1L1M | 3 Phase 25kW Power Shelf
Maximum Output Power25kW
Input3-phase, 5 wire 380 / 400 / 415VAC
Output25kW (12.5VDC / 1800A)
CommunicationsCAN, PMBUS1.2
Operating Temperature0°C to 50°C
ApprovalsIEC60950-1 International, GB4943, RoHS
Dimensions (H x W x D)5.12’’ x 21.2’’ x 25.55’’ (131 mm x 528 mm x 649 mm)
Warranty3 Years

Three-Phase Power Shelf System Components

ComponentModel NumberDescription
Power ShelfPF-2253-1L1MThree-Phase 25kW Power Shelf chassis includes one Shelf Controller slot and ten PSU Module slots
  • Power Module slots (10)
  • Shelf Controller slot (1)
Power Supply UnitPS-2252-6L1U2.5kW Hot-Swappable Power Supply Unit
Battery Backup SystemBP-1702-01X7KW 1U Battery Backup Shelf with 4 slots
Battery Backup UnitBM-1172-01X1.75kW Battery Backup Unit
Shelf ControllerCM-12CP-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