Emerson 480V user manual Cable size and tightening torques, Lead/Lag ratings

Page 98

Specifications and Technical Data

Table 28 External cabinet dimensions, including side panels

Type E1 Parallel Cabinet

 

 

Unit

Width

 

Depth

Height

mm (inch)

1240 (48.8)

 

965 (38)

2000 (78.7)

 

 

 

 

 

Type E Parallel Cabinet

 

 

 

 

 

 

 

Unit

Width

 

Depth

Height

mm (inch)

845 (33.2)

 

965 (38)

1956 (77)

 

 

 

 

 

Matching Battery Cabinet

 

 

Unit

Width

 

Depth

Height

mm (inch)

845 (33.2)

 

965 (38)

1956 (77)

 

 

 

 

 

Table 29

Lead/Lag ratings

 

 

 

 

 

 

Load Power

kVA

kW

 

Factor

Rating

Rating

 

-0.5

100%

50%

 

 

 

 

 

-0.6

100%

60%

Lagging

 

 

 

-0.7

100%

70%

 

 

 

 

 

-0.8

100%

80%

 

 

 

 

 

-0.9

100%

90%

 

 

 

 

Unity

1

90%

90%

 

 

 

 

 

-0.9

80%

72%

 

 

 

 

 

-0.8

77%

61%

Leading

 

 

 

-0.7

75%

52%

 

 

 

 

 

-0.6

74%

44%

 

 

 

 

 

-0.5

73%

36%

 

 

 

 

11.3Cable size and tightening torques

Table 30 Cable size tightening torque at Liebert NX 40kVA UPS terminals

 

Cable Size

Torque to Tighten

Bus Type

(Copper Wire Only)

Terminal Bus & Lug Body

 

 

 

Main Input

4

10 N*m

(Single Input)

 

 

Main Input

4

10 N*m

(Dual Input)

 

 

Bypass Input

4

10 N*m

(Dual Input)

 

 

Output

3

10 N*m

 

 

 

Table 31 Cable size tightening torque at Liebert NX 60kVA UPS terminals

 

Cable Size

Torque to Tighten

Bus Type

(Copper Wire Only)

Terminal Bus & Lug Body

Main Input

1

10N*m

(Single Input)

 

 

Main Input

1

10N*m

(Dual Input)

 

 

Bypass Input

2

10N*m

(Dual Input)

 

 

Output

2

10N*m

90

Image 98
Contents Liebert NX UPS Page Table of Contents Operator Control and Display Panel UPS SpecificationsOptions Operating Instructions Pop-Up WindowsSpecifications and Technical Data Appendix a UPS Status MessagesTables Page Important Safety Instructions Battery Cabinet Precautions Glossary of Symbols Installation External InspectionsUPS Location Internal InspectionsPreliminary Checks Mechanical Considerations Battery LocationConsiderations in Moving the Liebert NX Special Considerations for Parallel SystemsCable Entry Floor InstallationClearances System CompositionCabinet arrangement-Liebert NX units and battery cabinets UPS Lug Size and Torque Requirements Power CablingCable Rating UPS Input Configuration Cabling GuidelinesCable Connections Input and output busbarsUPS Rectifier and Bypass Input Supply Safety GroundProtective Devices Common Input Connections Cabling ProcedureOutput System Connections-Ensure Correct Phase Rotation Dual Input ConnectionsControl Cables Frequency Converter ModeMonitor Board Features Dry Contacts Input Dry Contacts Maintenance Bypass Cabinet InterfaceMaintenance bypass cabinet interface Input dry contacts atBCB Control Interface BCB control interfaceOutput Dry Contacts Inverter mode relay centerMain input fault relay center Output dry contact relaysIndicates Pin EPO Input-OptionalEPO input contact relays Safety IntroductionExternal Battery Cabinet Installation Battery CabinetsInsulated Post Tray Handle For Cabling Connecting the BatteriesInstallation Considerations BCB Shunt Trip Connecting the Battery Cabinet to the UPSNon-Standard Batteries This power must be UPS protected Alber Monitoring System-OptionalPerformance Requirements LBS Cable and SettingsLoad Bus Synchronization LBS CableGeneral Configuring Parallel System OperationFeatures of Parallel System Operation Modes Summary Installing Parallel SystemOperating Principles Redundancy Paralleling Conditions for Parallel System Cabinet InstallationPower Cables Preliminary ChecksCables InterconnectingAuxiliary Dry Contact Cables To Load Q1Ext Q2ExtQByp Normally Open EPO Normally Closed EPOUPS mechanical characteristics UPS Mechanical CharacteristicsEnvironmental characteristics Conformity and StandardsUPS Electrical Characteristics UPS terminalRated Power kVA 100 120 Rectifier input powerLiebert approved replacement batteries Battery Manufacturer Models SuppliedBypass Input DC Intermediate CircuitInverter Output Left Side GND Left Side View Front View Max. Door Swing U3819205 530628 Pg , Rev BattExt Auxiliary Contacts External Battery CabinetBattery Breaker Top Top Front Right Side Front Rear SystemRear FRONTOutput Run From Conductors Ph A, B, C UPS Outputs Ph A, B, C System InputPh A, B, C UPS Inputs AC OutputGround UPS Utility UPS #1-UPS #4 Module AC Ph A, B, C UPS InputsPh A, B, C System Outputs Isometric View U3819301Single module block diagram dual input configuration General DescriptionBypass Mode Normal ModeBattery Mode Bypass SuppliesMaintenance Mode Parallel Redundancy Mode System ExpansionOperator Control Panel Display Panel LayoutMimic indicators Control buttons Navigation keys Detailed view of control panelMimic Display Indicators Mimic display status indicatorsControl Buttons Control buttonsAudible Buzzer LCD OverviewIcons for navigation keys Navigation KeysUPS System Information Description of items in UPS system windowLCD Menus and Data Items Mains Descriptions of UPS menus and data window itemsMenu Type Item Type Explanation InputTests Start/stop BatteryLanguage Selection Current Date and Time Set date and timeUPS Status Messages Current status and history log recordsOpening Display Default ScreenTypes of LCD Screens UPS Help Screen Screen Saver WindowPop-Up Windows Liebert NX Operating Modes UPS operating modesCircuit Breakers Circuit breakersUPS Startup Startup ProcedureIndicator State Switch from Normal Mode to Bypass Mode Switch from Bypass Mode to Normal ModeMaintenance Bypass Procedure and Powering Down the UPS Auto Restart Emergency Shutdown With EPOBattery Undervoltage Pre-Warning Battery ProtectionMulti-Module System Procedures Battery End-of-Discharge EOD ProtectionTie breaker Inserting One Module into a Multi-Module System LED Function StatusShutdown Procedure-Complete UPS and Load Shutdown Commissioning a Parallel SystemParallel System Start Up Analog Input Interface Power OutputCommunication and Other User Terminals Liebert IntelliSlot CommunicationComments See 10.1.5 ConfiguringLiebert NX communication options Baud RatesConfiguring Baud Rates Liebert IntelliSlot Web card display Relay Card Relay Card pin configurationRelay card jumper configuration Pin Function OperationPin Description MultiPort 4 CardAssignment Replacing Dust Filters Remote Alarm MonitorLBS Mode-Load Bus Synchronization Lug Size and Torque Requirements Torque specificationsBattery torque rating Cable Lengths Floor to Connection Point Inside UPSDistance to connection points on the Liebert NX UPS Parallel system current tableLead/Lag ratings External cabinet dimensions, including side panelsCable size and tightening torques 250 10 N*m Battery Run Times Estimated battery run time, minutesEvent Message Description / Suggested Action if any Services at 800-543-2378 for assistanceUPS status messages Bypass voltage exceeds the limit High ambient air temperatureBypass voltage is beyond the normal range Software according to the customer’s agreementInverter STS Fail Error can also leads to the alarmAlarm if applicable Condition is removedEmergency Power Off EPOUPS status messages UPS Status Messages Page Ti n Ne tIti That
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480V specifications

The Emerson 480V power systems play a critical role in modern industrial applications, providing reliable and efficient power distribution. These systems are designed for facilities that require robust performance and operational efficiency while adhering to safety regulations. With voltage ratings at 480V, they cater primarily to industries such as manufacturing, data centers, and commercial buildings.

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