3000VA / 3kVA online, double-conversion UPS system in 3U rackmount form factor for critical server, network and telecommunications equipment. Online, double-conversion UPS actively converts raw incoming AC power to DC, then re-converts output back to completely regulated, filtered AC output. Operates continuously without using battery power during brownouts to 65V and overvoltages to 150V. Hardwired AC input and output (L-N-G, 120V). Highly efficient operation in optional economy mode setting, saves BTU heat output and energy costs. Network management interfaces support simultaneous communications via USB port, DB9 serial port and SNMPWEBCARD slot. Includes USB and DB9 serial ports. Supports simultaneous detailed monitoring of equipment load levels, self-test data and mains power conditions via all 3 network interfaces. Multi-stage metered current monitoring and battery charge status LEDs. Dataline surge suppression for dialup, DSL or network ethernet connection.