GE Industrial Solutions ProTrip Conversion Kits AK-50, AKU-50, AKS-50, AKT-50, AK-75, and AK-100 - Manual (Page 2)

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 ...........................................................................................................................10
Removing the Existing Trip Devices .....................................................................................................11
AK-50 & AKS-50 Breakers with EC or Power Sensor Trip Systems .......................................11
AK-50 & AKS-50 Breakers with SST Trip Systems .................................................................11
AK-75 & AK-100 Breakers with EC or Power Sensor Trip Systems .......................................11
AK-75 & AK-100 Breakers with SST Trip Systems .................................................................11
Installing the Phase Sensors ................................................................................................................12
AK-50 & AKS-50 Breakers.......................................................................................................12
AK-75 & AK-100 Breakers .......................................................................................................13
SECTION 5. INSTALLING THE TRIP UNIT
Configuring the Trip Unit .......................................................................................................................14
SECTION 6 FOUR-WIRE GROUND FAULT OPTION
Installing the Fourth-Wire Disconnect...................................................................................................15
AK-50 & AKS-50 Stationary Breakers .....................................................................................15
AK-50 & AKS-50 Draw-Out Breakers ......................................................................................16
AK-75 & AK-100 Draw-Out Breakers.......................................................................................16
Installing the Neutral Sensor.................................................................................................................18
SECTION 7. EQUIPMENT CONVERSION
Installing Mounting Brackets .................................................................................................................20
SECTION 8. TESTING AND TROUBLE-SHOOTING
Testing ..................................................................................................................................................22
Trouble-Shooting...................................................................................................................................22
Nuisance Tripping on Ground Fault-Equipped Breakers.........................................................22
APPENDIX – DRILL TEMPLATES
Appendix 1. Drill Template for Flux Shifter Mounting ...........................................................................25
Appendix 2. Drill Template for Trip Unit Mounting ................................................................................27
Appendix 3. Drill Template for Flux Shifter Mounting ...........................................................................27
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