GE AK-50 installation instructions GE Industrial Systems

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These instructions do not cover all details or variations in equipment nor do they provide for every possible contingency that may be met in connection with installation, operation, or maintenance. Should further information be desired or should particular problems arise that are not covered sufficiently for the purchaser’s purposes, the matter should be referred to the GE Company.

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GE Industrial Systems

General Electric Company

41 Woodford Ave., Plainville, CT 06062

DEH40028 R02 1198

© 1998 General Electric Company

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Contents Introduction Table of Contents List of Figures Before Installation General InformationFront Frame Breaker Conversion Relocating and Remounting the W and X RelaysInstalling the Flux Shifter Assembly Breakers with EC or Power Sensor Trip SystemsBreakers with a Side Bracket AKU-50 Breakers OnlyBreakers with ECS or SST Trip Systems Installing the Trip PaddleAdjusting the Flux Shifter ECS or SST Trip System Installing the Trip Unit Mounting BracketEC or Power Sensor Trip System Trip unit mounting bracket attached to the mounting Plate Back Frame Conversion Crossbar ModificationAK-75 & AK-100 Breakers with SST Trip Systems Removing the Existing Trip DevicesAK-50 & AKS-50 Breakers with SST Trip Systems Installing the Phase Sensors AK-50 & AKS-50 BreakersPhase sensor installation on AK-75 & AK-100 breakers AK-75 & AK-100 BreakersInstalling the Trip Unit Configuring the Trip UnitAK-50 & AKS-50 Stationary Breakers FOUR-WIRE Ground Fault OptionInstalling the Fourth-Wire Disconnect AK-50 & AKS-50 Draw-Out Breakers AK-75 & AK-100 Draw-Out BreakersAK-75 & AK-100 back frame conversion Installing the Neutral Sensor Outline of the neutral sensor for AK-50 breakersOutline of the neutral sensor for AK-75 and AK-100 breakers Installing Mounting Brackets Equipment ConversionFourth-wire disconnect for AKD-5 & AKD-6 Testing and TROUBLE- Shooting TestingTrouble-Shooting Nuisance Tripping on Ground Fault-Equipped BreakersAK-50 Page Page Appendix Drill Templates Appendix 1. Drill Template for Flux Shifter MountingPage Page Page Page GE Industrial Systems
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