DC Power – DC UPS

A fully-configured DC UPS system consists of a power shelf connected to a Battery Backup System (BBS) for uninterruptible power backup protection. On the front of the power shelf is a slot for an optional Shelf Controller along with multiple slots for Power Supply Units (PSUs).

The Power Shelf series by Lite-On provides high quality power to data center server racks. Available in 12.5 kW 5+5, 12.5kW 5+1 Three-Phase, 18 kW N+1, 20 kW 8+1 or 22.5 kW N+1, these highly efficient power shelves support single-phase and three-phase power configurations.
Three-Phase, redundant, hot-swappable power systems up to 22.5kW by Lite-On Power System Solutions
"These highly efficient power shelves support single-phase and three-phase power configurations."
Backed by decades of experience and research, Lite-On Power System Solutions can deliver a complete and configurable power system for today's demanding data centers.
The Lite-On 12.5kW 5+5 Power Shelf, designed for a 21" rack, accepts 3-phase input power and provides stable DC output power (1000A at 12.5VDC).

The 12.5kW power shelf is a 6-slot chassis that receives dual-input, 3-phase power and provides stable DC output power (1000A at 12.5VDC). This 19-inch power shelf supports up to 6 high-power, hot-swappable Power Supply Units for 5+1 redundant operation.

The 18kW power shelf is a 5-slot chassis that accepts true 3-phase input power and provides stable DC output power (1440A at 12.5VDC). The 3-phase-input Power Supply Units (PSUs) automatically phase-balances loads for optimal system design for sizing wires and breakers.

The 20kW power shelf is a 9-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 9 high-power, hot-swappable Power Supply Units.

The Lite-On 22.5kW N+1 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 2.5kW 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.

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.

The PS-2452-1L1M is a compact and efficient 4.5kW Power Supply Unit (PSU) that accepts true Three-Phase AC power. The PSU phase-balances the input load and outputs both 12VDC main and standby power. As many as 5 hot-swappable, compact (PSUs) easily slide into a single 5-slot power shelf (PF-2183-1L1M) for a total parallel capacity of 22.5kW or 18kW (n+1).

The Shelf Controller is an integral part of the Lite-On DC UPS system. A fully-configured DC UPS system consists of a power shelf connected to a Backup Battery System (BBS) for uninterruptible power backup protection. On the front of the power shelf is a slot for the Shelf Controller along with multiple slots for Power Supply Units (PSUs).

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