Schneider Electric 3.0A, 2.0A, and 6.0A, 5.0A manual Schneider Electric

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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

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Contents Conserver pour usage ultérieur Page Micrologic 2.0A, 3.0A, 5.0A, and 6.0A Electronic Trip Units Retain for future useHazard Categories and Special Symbols Please NoteFCC Notice Death or serious injuryTable of Contents Rating Plug Removal New Rating Plug Installation List of RegistersTrip Unit Settings General InformationIntroduction CommunicationsMicrologic 3.0A Trip Unit Micrologic 2.0A Trip Unit0A Trip Unit Micrologic 5.0A Trip Unit Micrologic 6.0A Trip Unit Trips and clears the fault. Circuit breaker 2 does not trip Zone-Selective InterlockingMicrologic Trip Unit Long-Time Delay Values Trip Unit SwitchesLong-Time Protection Micrologic Trip Unit Short-Time Delay Values Short-Time ProtectionInstantaneous Protection Indicator Lights Ground-Fault ProtectionOverload Indicator Light Micrologic Trip Unit Ground-Fault Pickup ValuesTrip Unit Testing Micrologic Trip Unit ConfigurationTrip Indicator Lights Control PowerFunction Specification External Power Supply15-EN Accessing Information AmmeterDisplay Ammeter MeasurementsCurrent Menu Current MenusRev , 07/2012 Ammeter 17-ENPeak Menu 18-ENSwitch settings menu displays Switch Settings Menu19-EN Switch Setting Adjustment OperationExamples Set pickup levelsSet time delay Set Time DelayRev , 07/2012 Operation 21-ENSet time delays Set Time Delays22-EN Zone-Selective Interlocking ZSI ZSI CombinationsUnits 23-ENWire circuit breakers for zone-selective Communication Module valuesInterlocking 24-ENSet communication module values 25-ENTrip Unit Settings Check Trip Unit SettingsTrip Unit Operation Verification ScreenEquipment Ground-Fault Trip Functions Testing Trip Unit ResettingTrip Unit Status Check 27-ENRequired Tools Trip Unit ReplacementPreparation Trip Unit Replacement Battery InstallationRating Plug Removal Trip Unit RemovalTrip Unit Installation 30-ENCircuit Breaker Accessory Cover ReplacementClose switch cover a 31-ENTrip Unit Setup Circuit Breaker Reconnection Trip Unit Installation Check32-EN New Rating Plug Installation Adjustable Rating Plug ReplacementRating Plug Removal Battery Replacement Circuit Breaker Accessory Cover RemovalBattery Replacement Circuit Breaker DisconnectionRev , 07/2012 Battery Replacement Withstand Module Replacement35-EN Appendix A-Register List List of RegistersRegister List Module Module Name Equation Address RangeRev , 07/2012 Appendix A-Register List 37-ENSchneider Electric