APC Smart-UPS On-Line, 20kVA/20kW, Rack/Tower, 230V/380V...415V, Hard wire 5-wire(3P+N+E)+3-wire(1P+N+E), Network Card, W/O rail kit. UPS topology: Double-conversion (Online), Output power capacity: 20 kVA, Output power: 20000 W. AC outlet types: Hard Wire 3-wire (1P + N + E), Hard Wire 5-wire (3P + N + E), Serial interface type: RS-232. Battery technology: Sealed Lead Acid (VRLA), Battery voltage: 192 V, Battery life (max): 5 year(s). Form factor: Rackmount/Tower, Product colour: Black, Display type: LCD. Cables included: RS-232