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Schneider Electric manual English, Micrologic 2.0A, 3.0A, 5.0A, and 6.0A Electronic Trip Units

Models: 3.0A and 6.0A

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Micrologic® 2.0A, 3.0A, 5.0A, and 6.0A Electronic Trip Units

Instruction Bulletin

ENGLISH

	Electrical equipment should be installed, operated, serviced, and maintained only by qualified
	personnel. No responsibility is assumed by Schneider Electric for any consequences arising out of
	the use of this material.
	Square D™, Schneider Electric™, Micrologic™, Modbus, and Masterpact™ are trademarks or
Schneider Electric	registered trademarks of Schneider Electric. Other trademarks used herein are the property of
Schneider Electric	their respective owners.
3700 Sixth St SW	48049-136-05 Rev. 01, 07/2012
Cedar Rapids, IA 52404 USA	48049-136-05 Rev. 01, 07/2012
1-888-778-2733	Replaces 48049-136-05 ECN 725D, 07/2008
www.schneider-electric.us	© 1999–2012 Schneider Electric All Rights Reserved

Page 40

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Schneider Electric manual English, Micrologic 2.0A, 3.0A, 5.0A, and 6.0A Electronic Trip Units, Instruction Bulletin

Contents

Micrologic 2.0A, 3.0A, 5.0A, and 6.0A Electronic Trip Units Unidades de disparo electrónico Micrologic 2.0A, 3.0A, 5.0A y 6.0ADéclencheurs électroniques MicrologicMC 2.0A, 3.0A, 5.0A et 6.0A Instruction Bulletin Boletín de instrucciones Directives dutilisationPage ENGLISH Retain for future useMicrologic 2.0A, 3.0A, 5.0A, and 6.0A Electronic Trip Units Instruction BulletinHazard Categories and Special Symbols DANGERPlease Note FCC NoticeTable of Contents SECTION 4 TRIP UNIT REPLACEMENTSECTION GENERAL INFORMATIONSECTION 5 ADJUSTABLE RATING PLUG REPLACEMENT SECTION 6 BATTERY REPLACEMENTAPPENDIX A REGISTER LIST ENGLISHTrip Unit Settings Section 1-General InformationIntroduction CommunicationsMicrologic 2.0A Trip Unit Micrologic 3.0A Trip UnitNOTE For use with IEC circuit breakers only 2.0A Trip UnitMicrologic 5.0A Trip Unit Figure 4 5.0A Trip UnitJ K G H I JMicrologic 6.0A Trip Unit Figure 5 6.0A Trip UnitT S R Q ENGLISHZone-Selective Interlocking Figure 6 Zone-Selective Interlocking1 B 2 A ENGLISHTrip Unit Switches Figure 7 Long-Time Protection SwitchesMicrologic Trip Unit Long-Time Delay Values Long-Time ProtectionFigure 8 Short-Time Protection Switches Micrologic Trip Unit Short-Time Delay ValuesShort-Time Protection ENGLISHFigure 9 Instantaneous Protection Switches Instantaneous Protectionachieved by using short-time protection Isd ENGLISHIndicator Lights Ground-Fault ProtectionOverload Indicator Light Figure 10 Ground-Fault Protection SwitchesTrip Unit Testing Micrologic Trip Unit ConfigurationTrip Indicator Lights Control PowerExternal Power Supply Power Supply SpecificationsHAZARD OF SHOCK, ARC FLASH OR EQUIPMENT DAMAGE ENGLISHAccessing Information Section 2-AmmeterDisplay Ammeter MeasurementsCurrent Menu Figure 16 Navigation Buttons A BCurrent Menus ENGLISHFigure 18 Access the Peak Menu Peak MenuFigure 19 Peak Menus ENGLISHSwitch Settings Menu Figure 20 Access the Switch Settings MenuFigure 21 Trip Unit Switch Settings Figure 22 Return to Current MenuSwitch Setting Adjustment Figure 23 Adjust Switch SettingsSection 3-Operation ExamplesSet Time Delay Figure 28 Set Time DelayFigure 27 Set Pickup Levels Figure 29 Set Pickup LevelsSet Time Delays Figure 31 Set Pickup LevelsFigure 32 Set Pickup Levels ENGLISHZone-Selective Interlocking ZSI ZSI CombinationsFigure 33 Jumpered Terminals Square D GC-100 Ground-Fault RelayFigure 34 ZSI Wiring Example Figure 35 Access Communication Module MenuCommunication Module values ENGLISHFigure 36 Set Communication Module Values ENGLISHTrip Unit Settings Check Table 9 Trip Unit SettingsTrip Unit Operation Verification Figure 37 Verify Trip Unit OperationEquipment Ground-Fault Trip Functions Testing Trip Unit ResettingFigure 38 Test Equipment Ground-Fault Trip Function Figure 39 Reset Trip Unit ASection 4-Trip Unit Replacement Record Switch SettingsCircuit Breaker Accessory Cover Required ToolsTrip Unit Replacement Battery InstallationFigure 41 Remove Adjustable Rating Plug B Figure 43 Install Battery ATrip Unit Installation Figure 45 Install Trip UnitHAZARD OF EQUIPMENT DAMAGE ENGLISHCircuit Breaker Accessory Cover ReplacementFigure 46 Install Trip Unit Figure 47 Install Adjustable Rating PlugTrip Unit Installation Check Trip Unit Setup Circuit Breaker ReconnectionSecondary Injection Testing Primary Injection Testing Check Accessory OperationSection 5-Adjustable Rating Plug Replacement New Rating Plug InstallationFigure 48 Remove Adjustable Rating Plug B Figure 49 Install New Adjustable Rating PlugSection 6-Battery Replacement Circuit Breaker Accessory Cover RemovalBattery Replacement Figure 51 Remove Battery CoverWithstand Module Replacement Circuit Breaker Accessory Cover ReplacementCircuit Breaker Reconnection Figure 53 Replace Withstand ModuleAppendix A-Register List List of RegistersRegister List ENGLISHRegister List continued ENGLISH48049-136-05 Rev. 01, 07/2012ENGLISH Micrologic 2.0A, 3.0A, 5.0A, and 6.0A Electronic Trip UnitsInstruction Bulletin Schneider Electric

Instruction Bulletin

the use of this material.

Schneider Electric