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Acer America
Acer America Corp. is a computer manufacturer of business and consumer PCs, notebooks, ultrabooks, projectors, servers, and storage products.


333 West San Carlos Street
San Jose, California 95110
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May 25, 2010 |

Emerson Network Power Introduces Liebert MB Busway in North America

The aim is to increase flexibility and reliability of data center power distribution.

Emerson Network Power Introduces Liebert MB Busway in North America

The aim is to increase flexibility and reliability of data center power distribution.

As data centers continue to move toward high-density computing environments, Columbus, Ohio-based Emerson Network Power, a business of Emerson, introduced the Liebert MB modular busway in North America to give data center managers flexible power delivery options to meet growing and changing IT demands.

The Liebert MB power distribution system provides high-density, modular busway power distribution to racks while eliminating distribution cable clutter that restricts airflow, according to the company. The Liebert MB also features a modular design to make it easy to add receptacles simply by adding more busway.

Based on the Siemens XJ-L busway, the Liebert MB busway is intended for data centers of any size that experience frequent configuration changes and require high power distribution and more effective utilization of space. It is easily configured to meet data center requirements and can be fastened to the top of Knurr DCM racks, suspended above any rack, or installed under raised data center floors.

“As data centers move to higher densities and put increasing stress on the power infrastructure, it’s important to take steps to ensure availability,” says Charles O’Donnell, vice president of engineering for the Liebert AC Power business of Emerson Network Power in North America. “The Liebert MB busway, an organized, modular distribution system that reduces cable clutter and air obstructions, helps data center managers increase the flexibility and reliability of their data center power distribution, while offering 15 to 30 percent savings in time and installation costs compared to traditional cable and conduit solutions.”

The Liebert MB comprises three main components: a tap box that provides input connection from the uninterruptible power supply (UPS) or power distribution unit (PDU) to the busway; a busway that extends three-phase power distribution over or under rows of racks; and bus plugs that enable plug-n-play distribution to individual racks or rack PDUs. Up to 12 bus plugs can be installed per 10-foot run, with six bus plugs per side or 12 bus plugs on one side. Hot swappable bus plugs keep critical systems up and running even during changes.

The busway is available in 100A, 225A, and 400A ratings, in single- and dual-bus configurations. It integrates into new or existing data center layouts and works with the family of Liebert row-based UPS and power distribution products including compatibility with Liebert MPX, Liebert MPH, and Knurr DI-STRIP Rack PDUs.

For more information on the Liebert MB busway or other Liebert technologies and services, visit

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