Emerson FPC user manual Suggested minimum input wire size data

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Installation Instructions

Table 4 Suggested minimum input wire size data

			Units with Transformers				Transformerless Units

kVA	Input	Input		Input	Suggested Feeder	Full Load	MIB Trip	Suggested Feeder
kVA	Voltage	FLA		OPD	Wire Size (AWG)	Amps	Amps	Wire Size (AWG)
	208	43		60	#6 AWG	42	60	#6 AWG

	240	38		50	#8 AWG	-	-	-

	380	24		30	#10 AWG	23	30	#10 AWG
15
15	400	23		30	#10 AWG	22	30	#10 AWG

	415	22		30	#10 AWG	21	30	#10 AWG

	480	19		25	#10 AWG	-	-	-

	600	15		20	#12 AWG	-	-	-

	208	87		110	#2 AWG	83	110	#2 AWG

	240	75		100	#2 AWG	-	-	-

	380	48		60	#6 AWG	46	60	#6 AWG
30
30	400	45		60	#6 AWG	43	60	#6 AWG

	415	44		60	#6 AWG	42	60	#6 AWG

	480	38		50	#8 AWG	-	-	-

	600	30		40	#8 AWG	-	-	-

	208	145		200	#3/0 AWG	139	175	#2/0 AWG

	240	125		175	#2/0 AWG	-	-	-

	380	79		100	#2 AWG	76	100	#2 AWG
50
50	400	75		100	#2 AWG	72	90	#2 AWG

	415	72		90	#2 AWG	70	90	#2 AWG

	480	63		80	#4 AWG	-	-	-

	600	50		70	#4 AWG	-	-	-

	208	215		300	350 kcmil	208	300	350 kcmil

	240	186		250	250 kcmil	-	-	-

	380	118		150	#1/0 AWG	114	150	#1/0 AWG
75
75	400	112		150	#1/0 AWG	108	150	#1/0 AWG

	415	108		150	#1/0 AWG	104	150	#1/0 AWG

	480	93		125	#1 AWG	-	-	-

	600	74		100	#2 AWG	-	-	-

	208	286		400	(2) #3/0 AWG *	278	350	(2) #2/0 AWG *

	240	248		350	(2) #2/0 AWG *	-	-	-

	380	157		200	#3/0 AWG	152	200	#3/0 AWG
100
100	400	149		200	#3/0 AWG	144	200	#3/0 AWG

	415	143		200	#3/0 AWG	139	175	#2/0 AWG

	480	124		175	#2/0 AWG	-	-	-

	600	99		125	#1 AWG	-	-	-

	208	358		450	(2) #4/0 AWG *	347	450	(2) #4/0 AWG *

	240	310		400	(2) #3/0 AWG *	-	-	-

	380	196		250	250 kcmil	190	250	250 kcmil

125	400	186		250	250 kcmil	180	225	#4/0 AWG

	415	179		225	#4/0 AWG	174	225	#4/0 AWG

	480	155		200	#3/0 AWG	-	-	-

	600	124		175	#2/0 AWG	-	-	-

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Contents Liebert FPC Page Table of Contents Figures Important Safety Instructions Unpacking and Preliminary Inspection Unpacking and InstallationHandling Considerations Inch cabinet weight Footprint and Floor cable access Cutout Dimensions cooling airflowFront FrontUnit Preparation Location ConsiderationsLiebert FPC heat output See Notes 2 Front and rear access is required. See Notes 1Full Load Heat Output Unit kVA BTU/Hr kW Floor Pedestal Installation Floor pedestal detailsAdditional Distribution Mounting & Wiring Power and Control WiringInput Power Connections Liebert FDC Distribution MountingElectrical connection location for 23 584mm cabinet FPC15000 Rev FPC15002 Rev Suggested minimum input wire size data Main input circuit breaker interrupting rating Junction Box Installation Main input junction box electrical connections 4 wireLow-voltage control junction box dimensions, typical Main input power junction box dimensions, typicalSystem Grounding Equipment GroundingSignal Reference Grid Grounding Electrode Conductor for FPCs With TransformerMinimum grounding electrode conductor size AWG Output VoltageTypical Liebert FPC With transformer grounding arrangement SystemTypical Liebert FPC without transformer groundingOutput Power Connections Liebert FPC Liebert FPC +24VDCUnit EPO MainLow Voltage Terminal Strip WiringFactory Typical control wiring for units with monitoring Optional Customer Alarm Inputs SummaryChecklists WarrantyInternal Inspection StartupTorque specifications, general Panelboard main circuit breaker torque specificationsBranch circuit breaker torque specifications Terminal block compression lug torque specificationsInspection Unit Serial Number Unit Model Number DateStartup Monitoring System Check-Out Customer Alarms Startup Procedures Normal System ShutdownNormal System Turn on Manual RestartPower Monitor Panel Alarm Present/SilenceBasic Monitor Panel Units Without Monitoring FPC16000Operating Instructions RS-232 Ascii port customer commands Ascii interface default parametersParameter Default Monitored parameters data definitions Field # Data item UnitsRepair Inspection and CleaningInspection Schedule Page Ne t ItiTi n That