High-Efficiency Aurora¨ 3kW to 4.2kW Wind Inverters Receive Approval to the UL1741 Standard

These small-wind, grid-connected products, having already demonstrated acceptance in European markets, have now been approved to the UL1741 safety standard.

Camarillo, CA ‚Ä" August 17th, 2009 ‚Ä" Power-One, Inc. (Nasdaq: PWER), a leading provider of power conversion and management solutions, announces three new wind inverters from its Aurora¬® Family for installations in North America. These small-wind, grid-connected products, having already demonstrated acceptance in European markets, have now been approved to the UL1741 safety standard.

The Aurora¨ PVI-3.0, PVI-3.6, and PVI-4.2 Wind Series for North America (using part number suffix
-OUTD-US-W) offers efficiencies as high as 96.8% (CEC 96%), installer-friendly designs, long service life, and competitive initial acquisition costs; which provide increased return on investment in 3kW to 4.2kW wind power installations. They also provide 208VAC and 277VAC single-phase and 240VAC (split phase) outputs rated at 3.0kW, 3.6kW, and 4.2kW. Other features include full-rated output power available up to 55¬°C ambient, and a wide Multiple Power Point Tracking (MPPT) operating range from 50 to 580VDC.

Additional features include: grid-connected operation certified to international standards, integrated RS-485 and service USB serial communications, and IP65 (NEMA 4) rated enclosures. A five-year warranty is extendable to ten years as an option.

PVI-3.0/3.6/4.2-OUTD-US-W data sheets for North America are available for download at:
‚ÄĘ http://www.power-one.com/resources/AlternativeEnergy/pvi303642outdus.pdf

Please contact Power-One for pricing information.

Power-One designs and manufactures energy-efficient power conversion and power management solutions for alternative/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. Please visit www.power-one.com for more information.

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.

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