FeaturesLine interactive topologyFree standing model construction type1000 VA power ratingUpto 94% efficiencyIEEE ANSI C62.41 Cat B2 surge protectionNEMA 5-15P input connection96 to 144 VAC nominal voltage45 to 55 Hz (50 Hz system), 55 to 65 Hz (60 Hz system) input frequency range8 [ETIM] number of output fixed connectionABM technology (3-stage charging extends battery service life by 50% and provides advance warning for battery replacement) battery managementSealed, lead acid, maintenance free batteryRS-232 (RJ45) ports, USB port as standard (HID), 6 ft RS-232 and USB cables communication ports