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Installation and maintenance guide
Emax 2 Retrofill Circuit Breakers
Direct/CiC Replacement of Legacy GE
AK 600A - 4000A Circuit Breakers Used in
AKD-5 & Substructures
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General Electric AKD-5 Low Voltage Switchgear is a free-standing assembly of metal-
enclosed ANSI power circuit breakers. It may be a part of a single-ended or double-
ended load center unit substation.
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It uses AK/AKJ/AKJT/AKS/AKST Breaker.
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This manual applies to both Emax 2 Retrofill breakers for AKD-5 switchgear and OEM
substructures
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Table of Contents
Related Manuals for ABB Legace GE AK 4000A
Summarization of Contents
History and Types
History of AKD
Details the historical development and types of AKD circuit breakers.
Modify AKD-5, Switchgear Compartment
Turn OFF/OPEN the legacy circuit breaker
Procedure for de-energizing and opening the existing circuit breaker before modification.
Rack Out legacy circuit breaker
Instructions on how to remove the legacy circuit breaker from its compartment.
Empty compartment legacy breaker removed
Shows the state of the compartment after the legacy breaker has been removed.
Procedures
NEUTRAL CT ORIENTATION
Guidelines for correctly orienting existing Iron core CT and matching polarity for Rogowski assembly.
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