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TMCNet:  Power-One's High Efficiency Power Supply With Integrated Battery Back-Up Circuit Targeted for Next Generation Open Compute Servers and Data Centers

[December 06, 2012]

Power-One's High Efficiency Power Supply With Integrated Battery Back-Up Circuit Targeted for Next Generation Open Compute Servers and Data Centers

CAMARILLO, Calif., Dec 6, 2012 (GlobeNewswire via COMTEX) -- Power-One, Inc. (Nasdaq:PWER), a leading provider of renewable energy and energy-efficient power conversion and power management solutions, has released 450W and 700W High Efficiency Power Supply/Battery Back-up units for use in next generation, high efficiency servers and data centers. The Power-One power supplies, SPAFCBK-02G (450W) and SPAFCBK-03G (700W), have been designed based on the Open Compute Project specifications.

The power supplies combine a 450W or 700W Platinum Efficiency rated AC-DC power supply with a 48Vdc battery back-up circuit, all in one compact design. Both versions are highly efficient (over 94% efficiency) and the power supply has been certified to 80-Plus Platinum level efficiency. They operate from a 277Vac input voltage source which allows the server to be powered directly from one-phase of the high voltage 3-phase input power distribution network. Designing the power supply for 277Vac per the Open Compute Project specifications eliminates an expensive site transformer, and is critical to the goal of increasing the power efficiency and reducing the overall carbon footprint of the data center.

With the power supply designed at better than 94% efficiency, less energy is wasted within the server, and less energy is consumed in the overall cooling infrastructure. The integrated 48V battery back-up circuit eliminates the need for inefficient UPS systems and allows for a localized, scalable power back-up infrastructure.

"This was a very technically challenging product due to the high efficiency target and the complexity of the power supply/battery back-up design. The power supply is a crucial building block for the next generation of highly efficient servers and data centers. Power-One was the first in the industry to release such a product and we have followed that lead with these latest power supply offerings," said Helio Sakaya, Vice President of Marketing and Product Management for Power-One.

If you are interested in details of this power supply, pricing information or any of Power-One's industry leading high efficiency designs, please contact Charlie Swiontek at

About Power-One Power-One designs and manufactures energy-efficient power conversion and power management solutions for renewable energy, routers, data storage and servers, wireless communications, optical networking, medical diagnostics, military, railway controls, semiconductor test equipment and custom applications. Power-One, with headquarters in Camarillo, CA, has global sales offices, manufacturing and R&D operations in Asia, Europe and the Americas. Power-One is traded on NASDAQ under the ticker symbol PWER. For more information, please visit

Power-One products are not designed, intended for use in, or authorized for use as critical components in life support systems, equipment used in hazardous environments, or nuclear control systems without the express written consent of the respective divisional president of Power-One, Inc. The appearance of products, including safety agency certifications pictured on labels, may change depending on the date manufactured. Specifications are subject to change without notice.

The Power-One, Inc. logo is available at pkgid=7338 This news release was distributed by GlobeNewswire, SOURCE: Power-One, Inc.

(Logo: CONTACT: Corporate Contact: Charlie Swiontek Power-One, Inc. Media Contact: Mallory Sass Power-One, Inc.

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