GE Industrial Solutions EntelliGuard R AKD-5 User Manual
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EntelliGuard R Circuit Breaker Retrofill AKD-5 Installation Manual DEH-41547 02/12
Cut Power ............................................................................................................................................................................................16
Rack Out Legacy Breaker.............................................................................................................................................................16
Empty Compartment—Legacy Breaker Removed ...........................................................................................................16
Check, Clean, Grease Compartment ......................................................................................................................................16
Install Position Switch Actuator—AK25 Breaker ........................................................................................... 17
Install Position Switch Actuator—AK50 Breaker ........................................................................................... 18
Racking-Lock Bracket—Initial Tasks................................................................................................................ 19
Install Cassette (Landed Wires)........................................................................................................................ 21
Install Lock Bracket ............................................................................................................................................ 23
Install AKD-5 Retrofill Breaker.......................................................................................................................... 25
Secondary Disconnects, Bullets................................................................................................................................................32
Wiring Diagram and Block Info (AK25)...................................................................................................................................33
AK25 Wiring Harness, B-Block (AK25/50) .............................................................................................................................35
Programmer Secondary Disconnect (Breaker Side—N/A) ............................................................................................37
AK25..................................................................................................................................................................................................37
Install Door Interlock System (Breaker Side).................................................................................................. 38
Neutral Disconnect Assembly (Breaker Side)................................................................................................. 38
Install AKD-5—Neutral Rogowski Current Transformer (CT)........................................................................................38
Remove Existing Iron Core Neutral CT Assembly .............................................................................................................39
Neutral CT assembly in Cable/Bus Compartment: ..........................................................................................................39
AKD-5—Neutral Sensor Packaging .................................................................................................................. 41
AKD-5—Multi-Source Ground Fault ................................................................................................................. 42
Remove and Replace AKD-5—Existing Door .................................................................................................. 43
Wiring Diagram for the AK/AKR Retrofill........................................................................................................ 44
Notes ..................................................................................................................................................................... 45