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 6.0A
Déclencheurs électroniques MicrologicMC 2.0A, 3.0A, 5.0A et 6.0A
Instruction Bulletin Boletín de instrucciones Directives dutilisation
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Retain for future use
Micrologic 2.0A, 3.0A, 5.0A, and 6.0A Electronic Trip Units
Instruction Bulletin
Hazard Categories and Special Symbols
DANGER
Please Note
FCC Notice
Table of Contents
SECTION 4 TRIP UNIT REPLACEMENT
SECTION
GENERAL INFORMATION
SECTION 5 ADJUSTABLE RATING PLUG REPLACEMENT
SECTION 6 BATTERY REPLACEMENT
APPENDIX A REGISTER LIST
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Trip Unit Settings
Section 1-General Information
Introduction
Communications
Micrologic 2.0A Trip Unit
Micrologic 3.0A Trip Unit
NOTE For use with IEC circuit breakers only
2.0A Trip Unit
Micrologic 5.0A Trip Unit
Figure 4 5.0A Trip Unit
J K
G H I J
Micrologic 6.0A Trip Unit
Figure 5 6.0A Trip Unit
T S R Q
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Zone-Selective Interlocking
Figure 6 Zone-Selective Interlocking
1 B 2 A
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Trip Unit Switches
Figure 7 Long-Time Protection Switches
Micrologic Trip Unit Long-Time Delay Values
Long-Time Protection
Figure 8 Short-Time Protection Switches
Micrologic Trip Unit Short-Time Delay Values
Short-Time Protection
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Figure 9 Instantaneous Protection Switches
Instantaneous Protection
achieved by using short-time protection Isd
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Indicator Lights
Ground-Fault Protection
Overload Indicator Light
Figure 10 Ground-Fault Protection Switches
Trip Unit Testing
Micrologic Trip Unit Configuration
Trip Indicator Lights
Control Power
External Power Supply
Power Supply Specifications
HAZARD OF SHOCK, ARC FLASH OR EQUIPMENT DAMAGE
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Accessing Information
Section 2-Ammeter
Display
Ammeter Measurements
Current Menu
Figure 16 Navigation Buttons A B
Current Menus
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Figure 18 Access the Peak Menu
Peak Menu
Figure 19 Peak Menus
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Switch Settings Menu
Figure 20 Access the Switch Settings Menu
Figure 21 Trip Unit Switch Settings
Figure 22 Return to Current Menu
Switch Setting Adjustment
Figure 23 Adjust Switch Settings
Section 3-Operation
Examples
Set Time Delay
Figure 28 Set Time Delay
Figure 27 Set Pickup Levels
Figure 29 Set Pickup Levels
Set Time Delays
Figure 31 Set Pickup Levels
Figure 32 Set Pickup Levels
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Zone-Selective Interlocking ZSI
ZSI Combinations
Figure 33 Jumpered Terminals
Square D GC-100 Ground-Fault Relay
Figure 34 ZSI Wiring Example
Figure 35 Access Communication Module Menu
Communication Module values
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Figure 36 Set Communication Module Values
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Trip Unit Settings Check
Table 9 Trip Unit Settings
Trip Unit Operation Verification
Figure 37 Verify Trip Unit Operation
Equipment Ground-Fault Trip Functions Testing
Trip Unit Resetting
Figure 38 Test Equipment Ground-Fault Trip Function
Figure 39 Reset Trip Unit A
Section 4-Trip Unit Replacement
Record Switch Settings
Circuit Breaker Accessory Cover
Required Tools
Trip Unit Replacement
Battery Installation
Figure 41 Remove Adjustable Rating Plug B
Figure 43 Install Battery A
Trip Unit Installation
Figure 45 Install Trip Unit
HAZARD OF EQUIPMENT DAMAGE
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Circuit Breaker Accessory Cover
Replacement
Figure 46 Install Trip Unit
Figure 47 Install Adjustable Rating Plug
Trip Unit Installation Check
Trip Unit Setup Circuit Breaker Reconnection
Secondary Injection Testing Primary Injection Testing
Check Accessory Operation
Section 5-Adjustable Rating Plug Replacement
New Rating Plug Installation
Figure 48 Remove Adjustable Rating Plug B
Figure 49 Install New Adjustable Rating Plug
Section 6-Battery Replacement
Circuit Breaker Accessory Cover Removal
Battery Replacement
Figure 51 Remove Battery Cover
Withstand Module Replacement
Circuit Breaker Accessory Cover Replacement
Circuit Breaker Reconnection
Figure 53 Replace Withstand Module
Appendix A-Register List
List of Registers
Register List
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Register List continued
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48049-136-05
Rev. 01, 07/2012
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Micrologic 2.0A, 3.0A, 5.0A, and 6.0A Electronic Trip Units
Instruction Bulletin
Schneider Electric