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TABLE OF CONTENTS
SECTION 1. GENERAL INFORMATION ....................................................................................................... 4
SECTION 2. BEFORE INSTALLATION.......................................................................................................... 4
SECTION 3. FRONT FRAME BREAKER CONVERSION
Relocating and Remounting the W and X Relays..........................................................................5
Installing the Flux Shifter Assembly ..............................................................................................6
Breakers with EC or Power Sensor Trip Systems ............................................................. 6
Breakers with a Side Bracket.............................................................................................. 7
AKU-50 Breakers Only ........................................................................................................ 7
Breakers with ECS or SST Trip Systems ........................................................................... 8
Installing the Trip Paddle................................................................................................................8
Adjusting the Flux Shifter............................................................................................................... 8
Installing the Trip Unit Mounting Bracket......................................................................................9
EC or Power Sensor Trip System....................................................................................... 9
ECS or SST Trip System..................................................................................................... 9
SECTION 4. BACK FRAME CONVERSION
Crossbar Modification................................................................................................................... 11
Removing the Existing Trip Devices ............................................................................................ 12
AK-50 & AKS-50 Breakers with EC or Power Sensor Trip Systems................................ 12
AK-50 & AKS-50 Breakers with SST Trip Systems.......................................................... 12
AK-75 & AK-100 Breakers with EC or Power Sensor Trip Systems................................ 12
AK-75 & AK-100 Breakers with SST Trip Systems .......................................................... 12
Installing the Phase Sensors......................................................................................................... 13
AK-50 & AKS-50 Breakers................................................................................................. 13
AK-75 & AK-100 Breakers ................................................................................................. 14
SECTION 5. INSTALLING THE TRIP UNIT
Configuring the Trip Unit.............................................................................................................. 15
SECTION 6 FOUR-WIRE GROUND FAULT OPTION
Installing the Fourth-Wire Disconnect.......................................................................................... 16
AK-50 & AKS-50 Stationary Breakers............................................................................... 16
AK-50 & AKS-50 Draw-Out Breakers................................................................................ 17
AK-75 & AK-100 Draw-Out Breakers ................................................................................ 17
Installing the Neutral Sensor........................................................................................................ 19
SECTION 7. EQUIPMENT CONVERSION
Installing Mounting Brackets........................................................................................................ 21
SECTION 8. TESTING AND TROUBLE-SHOOTING
Testing........................................................................................................................................... 23
Trouble-Shooting.......................................................................................................................... 23
Nuisance Tripping on Ground Fault-Equipped Breakers................................................ 23
APPENDIX – DRILL TEMPLATES
Appendix 1. Drill Template for Flux Shifter Mounting ................................................................ 27
Appendix 2. Drill Template for Trip Unit Mounting..................................................................... 29
Appendix 3. Drill Template for Flux Shifter Mounting ................................................................ 29