Schneider Electric 2.0A Circuit Breaker Accessory Cover, Replacement, Close switch cover a, 31-EN

Page 33

48049-136-05

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

Rev. 01, 07/2012

Section 4—Trip Unit Replacement

 

 

5.Align the trip unit so top mounting screw (A) aligns with the top threaded insert and start the screw by turning the screw two full rotations.

6.Use a torque-controlled screwdriver to drive the bottom screw (B) to 7 in-lbs (0.8 N•m) ± 10%. The back of the trip unit must be flush with the trip unit mounting base.

7.Use a torque-controlled screwdriver to drive the top screw to 7 in-lbs (0.8 N•m) ± 10%. Mounting tab must be flush with the mounting standoff and sensor plug.

Figure 46: Install Trip Unit

Must be seated

A

06134855

7 lb-in

[0.8 N•m]

B

ENGLISH

NOTE: The face of the closed switch cover must be flush with adjoining mounting base surfaces. If these surfaces are not flush, stop installation and contact the local sales office for factory authorized service.

NOTE: If you are upgrading from a Micrologic 2.0, 3.0 or 5.0 trip unit, the connector block must be ordered separately (Part Number S33101). See instructions shipped with the connector block for installation into circuit breaker.

8.Install connector block (C) into top of trip unit.

9.Install adjustable rating plug into the trip unit.

a.Open switch cover (A) on new trip unit.

b.Inspect mounting area for debris and contamination.

c.Gently push adjustable rating plug (B) into new trip unit.

d.Tighten adjustable rating plug mounting screw (C). The plug will be drawn into position flush with front face as screw is tightened.

10.Set trip unit switches to values recorded above or per coordination study results.

11.Close switch cover (A).

Must be flush

06134856

Figure 47: Install Adjustable Rating Plug

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B

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7 lb-in

[0.8 N•m]

A

Circuit Breaker Accessory Cover

Replace circuit breaker accessory cover as directed in the Install

Replacement

Accessories section of the circuit breaker instruction bulletin shipped with

 

the circuit breaker.

© 1999–2012 Schneider Electric All Rights Reserved

31-EN

Image 33
Contents Conserver pour usage ultérieur Page Retain for future use Micrologic 2.0A, 3.0A, 5.0A, and 6.0A Electronic Trip UnitsPlease Note Hazard Categories and Special SymbolsFCC Notice Death or serious injuryTable of Contents List of Registers Rating Plug Removal New Rating Plug InstallationGeneral Information Trip Unit SettingsIntroduction CommunicationsMicrologic 2.0A Trip Unit Micrologic 3.0A Trip Unit0A Trip Unit Micrologic 5.0A Trip Unit Micrologic 6.0A Trip Unit Zone-Selective Interlocking Trips and clears the fault. Circuit breaker 2 does not tripTrip Unit Switches Micrologic Trip Unit Long-Time Delay ValuesLong-Time Protection Short-Time Protection Micrologic Trip Unit Short-Time Delay ValuesInstantaneous Protection Ground-Fault Protection Indicator LightsOverload Indicator Light Micrologic Trip Unit Ground-Fault Pickup ValuesMicrologic Trip Unit Configuration Trip Unit TestingTrip Indicator Lights Control PowerExternal Power Supply Function Specification15-EN Ammeter Accessing InformationDisplay Ammeter MeasurementsCurrent Menus Current MenuRev , 07/2012 Ammeter 17-EN18-EN Peak MenuSwitch Settings Menu Switch settings menu displays19-EN Operation Switch Setting AdjustmentExamples Set pickup levelsSet Time Delay Set time delayRev , 07/2012 Operation 21-ENSet Time Delays Set time delays22-EN ZSI Combinations Zone-Selective Interlocking ZSIUnits 23-ENCommunication Module values Wire circuit breakers for zone-selectiveInterlocking 24-EN25-EN Set communication module valuesTrip Unit Settings Trip Unit Settings CheckTrip Unit Operation Verification ScreenTrip Unit Resetting Equipment Ground-Fault Trip Functions TestingTrip Unit Status Check 27-ENTrip Unit Replacement Required ToolsPreparation Battery Installation Trip Unit ReplacementRating Plug Removal Trip Unit Removal30-EN Trip Unit InstallationReplacement Circuit Breaker Accessory CoverClose switch cover a 31-ENTrip Unit Installation Check Trip Unit Setup Circuit Breaker Reconnection32-EN Adjustable Rating Plug Replacement New Rating Plug InstallationRating Plug Removal Circuit Breaker Accessory Cover Removal Battery ReplacementBattery Replacement Circuit Breaker DisconnectionWithstand Module Replacement Rev , 07/2012 Battery Replacement35-EN List of Registers Appendix A-Register ListRegister List Module Module Name Equation Address Range37-EN Rev , 07/2012 Appendix A-Register ListSchneider Electric