GE AK-50 installation instructions Table of Contents

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

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