Liebert PSA mixes unique features & extraordinary performance. Designed with simple controls for easy operation, it provides up to five minutes of back-up time at full load: more than enough time to save work in process & shut down your system. Shutdown software & a USB (Universal Serial Bus) cable are also included, to allow remote alerts & automated graceful shutdown of the connected systems. Features Available in four
Sizes: 500 VA, 650 VA, 1000 VA & 1500 VA Offers multiple battery backed & surge protected sockets Liebert PSA provides 5 or more minutes of battery backup (depending on load level) Protects datalines Fully Ro HS compliant Benefits User friendly LED display for easy operation Mix of battery-backed & surge-only sockets to adapt to different types of loads & requirements USB (Universal Serial Bus) communications/shutdown software & cable included for plug & play use User replaceable batteries to maximize initial investment