Emerson FPC Torque specifications, general, Panelboard main circuit breaker torque specifications

Page 28

Equipment Inspection and Startup

Table 11 Torque specifications, general

	Electrical connections			Electrical connections
	with 1 Belleville washer			with 2 Belleville washers

		Torque			Torque

	lb-in		N-m	lb-in		N-m

Bolt shaft size, in./mm

1/4 / M6	40		4.5	80		9.0

5/16 / M8	80		9.0	180		18.0

3/8 / M10	120		13.6	240		27.1

1/2 / M12	480		54.3	—		—

Input and output breakers

Up to 150 amp	80		9.0	160		18.0

175 - 500A	120		13.6	240		27.1

Table 12 Panelboard main circuit breaker torque specifications

	Torque
	lb-in	N-m
Busbar-to-breaker	240	27.1

Table 13 Branch circuit breaker torque specifications

Breaker size	lb-in	N-m

Up to 30 amp	20	4.0

40 to 100 amp	20	5.1

Table 14 Terminal block compression lug torque specifications

AWG wire size	Torque
AWG wire size
or range	lb-in	N-m

#14 - #10	35	4.0

#8	40	4.5

24

Image 28

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