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Press release from GlobeNewswire (a Nasdaq OMX company)

Power-One Announces the Release of MELCHER Brand HR-Series

Tuesday, September 18, 2012

Power-One Announces the Release of MELCHER Brand HR-Series03:00 EDT Tuesday, September 18, 2012ANDOVER, Mass., Sept. 18, 2012 (GLOBE NEWSWIRE) -- Power-One, Inc. (Nasdaq:PWER), a leading global manufacturer of renewable energy and energy-efficient power conversion and management solutions, announces the release of its revolutionary MELCHER brand HR-Series: The world's first DC-DC converter with an input voltage range greater than 10:1 and with an impressive typical efficiency of 94% over the input and load range. The converter delivers up to 300 Watts of output power with no derating over the entire ambient temperature range of -40 to 70°C and the drastically reduced losses result in cooler component temperatures hence resulting in considerably higher reliability. Just one power supply covers all nominal battery voltages from 24V to 120V. The static input range is 15.4V - 150V with dynamic transient deviations to 12V and 168V for 2 seconds respectively. The HR-Series is complying with EN50155, EN50121 and all common national and international railway and safety standards and is packaged in a rugged cassette case for 19" rack or chassis mounting perfect for harsh, convection cooled environments the traditional MELCHER style. The first models in this ground breaking series provide single 12V or 24V and dual ±12V output. Future models will expand the offering to cover 12V to 110Vdc in single and a few dual output configurations. Standard features include current share, 10ms hold-up time with internal capacitor, reverse polarity protection, inrush current limitation, over-voltage and programmable under-voltage lockout, remote on/off, adjustable output voltage, all in all fully self protecting and fully featured. "The HR series raises the bar in its power range by being the first and only solution with a 10:1 input voltage range," stated Helio Sakaya, VP of Marketing and Product Management for Power Solutions. "Combining this range with its stellar performance and ruggedness, the HR series sets a new precedence for design in and qualification in this industry." Visit the Power-One website for data sheets and to learn more: http://www.power-one.com/melcher Samples are available now, please contact Power-One for pricing and availability at +1-978-728-5974 (in the North and South America), +44-1903-823323 (in EMEA) and +86-755-29885888 (in APAC), or visit http://www.power-one.com/corporate/contact/power for additional contacts.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, 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 USA. Please visit www.power-one.com for more information. The Power-One, Inc. logo is available at http://www.globenewswire.com/newsroom/prs/?pkgid=7338CONTACT: Corporate Contact: Claude Abacherli Power-One, Inc. claude.abacherli@power-one.com Media Contact: Mallory Sass Power-One, Inc. mallory.sass@power-one.com