Offline UPS protects non-critical computers.

Press Release Summary:

PowerSure PST, offered in 350 or 500 VA, provides minimum of 3 minutes battery backup at full load, integrated surge protection, and data line suppression to protect modem, fax, DSL, and other communications equipment. USB communications utilizes Windows' or Macintosh OS' built-in Power Management function to provide orderly shutdown if outage exceeds battery capacity. Audible and visual alarms alert users to conditions that may lead to shutdown.

Original Press Release:

Liebert Introduces PowerSure PST for Desktop Power Protection

Offline UPS provides efficient, economical protection of non-critical computers

COLUMBUS, Ohio, June 17, 2003 ­ Liebert® Corporation today introduced PowerSure PST, an offline uninterruptible power supply (UPS) ideally suited for desktop computer systems that require protection from surges, spikes and brief interruptions in input power.

The Liebert PST is available in two sizes: 350VA or 500VA. It features a minimum of three minutes of battery backup at full load, integrated surge protection and data line protection. It is Microsoft certified for Windows 2000 and XP systems and Apple Computer certified for Macintosh OS X (version 10.2 or later). In the event an outage exceeds battery capacity, PowerSure PST provides controlled shutdown through the USB port using the operating system's built-in Power Management function.

"Liebert has always tailored our solutions to customer requirements, and the PowerSure PST provides our customers with an additional choice for economical protection of non-mission critical desktop systems," said Tony Marrow, product manager at Liebert. "This system is ideal for small offices that need an economical UPS that is easy to set up and maintain and extends protection to peripherals, such as printers and fax machines."

PowerSure PST Features

-Three battery-backed UPS outlets and two surge-only outlets enable complete protection of most systems and their peripherals

-Integrated transient voltage suppression system (TVSS) protects against incoming surges and spikes

-Data line surge suppression protects modem, fax, DSL and other communications equipment from surges and spikes

-USB communications utilizes Windows' or Macintosh OS' built-in Power Management function to provide orderly shutdown if an outage exceeds battery capacity

-Audible and visual alarms alert users to conditions that may lead to shutdown

-Two-year warranty

PowerSure PST pricing ranges from $91 to $114, depending on model.

PowerSure is a family of desktop UPS and surge suppression systems that leverage Liebert's high availability experience and expertise to deliver reliable, cost-effective protection for independent workstations, small networks, remote offices, retail locations and other sensitive electronics. For more information about PowerSure products, visit or call 1-800-877-9222.

About Liebert Corporation

Liebert is the world leader in systems that protect the availability of computers and other sensitive electronics. Liebert delivers unparalleled protection of critical systems through a complete range of power, environmental and monitoring systems that are tailored to application requirements by a network of local representatives that average better than 16 years of experience in the industry. Liebert Global Services is the world's largest service team dedicated to the maintenance and on-site repair of critical computer support systems. Liebert is a division of Emerson Network Power, one of eight businesses that comprise St Louis-based Emerson, a global technology and engineering company with sales in fiscal 2002 of $13.8 billion. For more information on Liebert, visit

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