12V, 22.5 kW N+1 Power Shelf

The Lite-On 22.5kW 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 N+1 configuration of 2.5 kW hot-swappable Power Supply Units (PSU) allows for maximum power output.
DC Power Shelf by Lite-On Cloud Infrastructure Power Solutions
“10 hot swappable 2.5kW Power Supply Units allow maximum output operation.”

Key Features

Supplies power up to 22.5kW N+1
3U shelf accepts up to 10 hot-swappable 2.5kW Power Supply Units for 9+1 redundant 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 optional Shelf Controller
Supports 3 sets of bus bars to deliver DC power to load
Supports 6x C13 outlets for external AC load


Model NumberPF-2223-1L1M | 3 Phase 22.5kW Power Shelf
Maximum Output Power22.5kW
Input3-phase, 5 wire 380 / 400 / 415VAC
Output22.5kW (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