This model is ideal for protection of sensitive electronics in any application calling for upright tower or 19 inch rackmount UPS protection. Common applications include any mix of servers, workstations, hubs, routers, concentrators, IP telephony and traditional PBX switching systems. PRODUCT FEATURES: 8,000VA (8kVA) on-line 8U rack/tower UPS with expandable runtime; Detachable PDU with manual bypass switch enables hot-swap UPS replacement without powering off connected loads; Maintains 208V and simultaneous 120V output; 2% output voltage regulation over an input voltage range of 156 to 276; Enhanced serial communications ports, SNMP/Web Card Slot and EPO interfaces.