5000VA line interactive UPS for server, network and telecommmunications equipment. UPS with internal batteries requires 3 rack spaces installed. accepts 230V nominal input voltage. Corrects brownouts and overvoltages from 170 to 282V. Sine wave output. Uninterruptible Power Supply (UPS) maintains battery derived AC output during blackouts and severe voltage fluctuations. Expandable runtime with optional external battery packs. 11 output receptacles. Hardwire input connection. Network-grade AC surge and noise suppression. Network management interfaces include USB, DB9 serial with contact closure and SNMPWEBCARD slot. Supports simultaneous detailed monitoring of equipment load levels, self-test data and mains power conditions via all network interfaces at once. Includes PowerAlert monitoring software and complete cabling. Emergency Power Off (EPO) interface. 3 stage metered current monitoring and battery charge LEDs. Mains power and voltage regulation LEDs. Audible alarm.