Liebert PPC Precision Power Center

Installation InstructionsFigure 6300-450kVA Liebert PPC single-line diagramMIBISOLATIONTRANSFORMERI-LINE PANELBOARDSEE NOTE 1INPUTLIGHTING/SURGEARRESTOR(OPT.)OUTPUTSPIKESUPPRESSIONMODULE(OPT.)OPT. SUBFEED OUTPUT BREAKERSTRANSFORMER SECTIONDISTRIBUTION SECTIONFIELD-SUPPLIED WIRINGBY OTHERSOPT. PANELBOARD ANDSUBFEED BREAKERINPUT3 PHASE3 WIRE + GSEE NOTE 2kVA300450Suggested Minimum Input Wire SizeInputVoltageFullLoadAmpsMIBTripAmpsSuggestedFeederWire Size380 469 600 (2) 350 kcmil400 446 600 (2) 350 kcmil415 430 600 (2) 350 kcmil480 372 500 (2) 250 kcmil600 297 400 (2) #3/0 AWG480 552 700 (2) 500 kcmil600 442 600 (2) 350 kcmilNOTES:1. The maximum number of outputbreakers that can be installed inan I-Line panelboard is:• Ten (10) 250A frame or• Eight (8) 400A LA frame or• Six (6) 600A LI frame.2. Input is through the distributionsection to the transformer section.Input cables can be through eitherthe top or the bottom of thedistribution section.400A - 700A MIBInterrupting Rating 380-480V 600VStandard 65kA 25kAHigh 100kA 50kA8