Liebert NXL 

True On Line Double Conversion UPS Transformer based technology 500kVA to 800kVA Major Applications Industrial Plant  and  Process Automation Large Internet Data Centers (IDC) Banking/ Securities Accounting Centers Telecommunication Network Centers High availability system architecture with Advantage of a Transformer Design Neutral management using internal galvanic isolation transformer 3-phase, 3-wire input & 3-phase 3-wire output Avoid costly neutral cable & 4-pole switchgear upstream Accept two different sources, Rectifier and Bypass Unused rectifier capacity for battery charging At a glance; Fully Digital Control 0.9 output Power factor High overload capacity High Fault Tolerant design Great Capability with unbalanced load Large color LCD with touch screen Standard Top Cable Entry Leading Power Factor Load capability Advanced Battery Management Advanced Generator compatibility Intelligent Monitor and self diagnosis System & Parts Redundancy Design Intelligent Parallel operation up to 8 units Input THDi and PF improvement Liebert AF2 Front access for maintenance