GE
AK-50
installation instructions
Outline of the neutral sensor for AK-75 and AK-100 breakers
Troubleshooting
Install
FOUR-WIRE Ground Fault Option
Configuring the Trip Unit
Adjusting the Flux Shifter
EC or Power Sensor Trip System
Page 20
Figure 30. Outline of the neutral sensor for
AK-75
and
AK-100
breakers
20
Page 19
Page 21
Image 20
Page 19
Page 21
Contents
Introduction
Table of Contents
List of Figures
Before Installation
General Information
Front Frame Breaker Conversion
Relocating and Remounting the W and X Relays
Installing the Flux Shifter Assembly
Breakers with EC or Power Sensor Trip Systems
Breakers with a Side Bracket
AKU-50 Breakers Only
Breakers with ECS or SST Trip Systems
Installing the Trip Paddle
Adjusting the Flux Shifter
ECS or SST Trip System
Installing the Trip Unit Mounting Bracket
EC or Power Sensor Trip System
Trip unit mounting bracket attached to the mounting Plate
Back Frame Conversion
Crossbar Modification
AK-75 & AK-100 Breakers with SST Trip Systems
Removing the Existing Trip Devices
AK-50 & AKS-50 Breakers with SST Trip Systems
Installing the Phase Sensors
AK-50 & AKS-50 Breakers
Phase sensor installation on AK-75 & AK-100 breakers
AK-75 & AK-100 Breakers
Installing the Trip Unit
Configuring the Trip Unit
AK-50 & AKS-50 Stationary Breakers
FOUR-WIRE Ground Fault Option
Installing the Fourth-Wire Disconnect
AK-50 & AKS-50 Draw-Out Breakers
AK-75 & AK-100 Draw-Out Breakers
AK-75 & AK-100 back frame conversion
Installing the Neutral Sensor
Outline of the neutral sensor for AK-50 breakers
Outline of the neutral sensor for AK-75 and AK-100 breakers
Installing Mounting Brackets
Equipment Conversion
Fourth-wire disconnect for AKD-5 & AKD-6
Testing and TROUBLE- Shooting
Testing
Trouble-Shooting
Nuisance Tripping on Ground Fault-Equipped Breakers
AK-50
Page
Page
Appendix Drill Templates
Appendix 1. Drill Template for Flux Shifter Mounting
Page
Page
Page
Page
GE Industrial Systems
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