GE AKR-4A-50-1 Manuals

Manuals and User Guides for GE AKR-4A-50-1. We have 1 GE AKR-4A-50-1 manual available for free PDF download: Maintenance Manual

GE AKR-4A-50-1 Maintenance Manual

GE AKR-4A-50-1 Maintenance Manual (260 pages)

Low-Voltage Power Circuit Breakers

Brand: GE | Category: Circuit breakers | Size: 12.17 MB

Table of Contents

Table of Contents

2
- Inspection and Maintenance
  4
- Renewal Parts
  4
- General Description
  6
- Frame Size
  6
- Operation
  6
- Fused/Non-Fused
  6
- Mounting
  8
- Trip Device
  8
- Model Number
  8
- Short Circuit Ratings
  9
- Storage
  10
- Drawout Breaker Interchangeability
  10
- Manual Closing
  11
- Electrical Closing
  11
- Breaker Operation
  11
- Charging Using the
  13
- Racking Mechanism Interlock
  15
- Positive Interlock
  16
- Closing Spring Interlock
  16
- Disconnect
  16
- Padlocks
  17
- Key Interlock-Stationary Breaker
  18
- Optional Interlocks
  18
- Breaker Maintenance
  18
- Lubrication
  18
- Manual Handle Adjustment
  19
- Drawout Mechanism Position
  20
- Slow Closing the Breaker
  20
- Primary Disconnects
  21
- Replacement
  23
- Adjustment
  23
- Auxiliary Switch
  77
Low Voltage Power Circuit Brea Kers

82
- Inspectio N and Maintenance
  84
- Renewal Parts
  84
- Frame Size
  86
- Fused/Non-Fused
  86
- Operation
  86
- Model N U M Ber
  88
- Mounting
  88
- Trip Device
  88
- Short Circuit Ratings
  89
- Safety 1
  90
- Storag
  90
- Alternate Control Circuit 1
  92
- Charging Using the Maintenance Handle
  93
- Mechanism Operation 1
  93
- Racking M Echanism I Nterlock 1
  95
- Closing Spring I Nterlock
  96
- Positive Interlock
  96
- Discon Nect Position I Nterlock
  97
- Padlocks 1
  97
- Key I Nterlock-Stationary Breaker 1
  98
- Lubrication
  98
- Optional I Nterlocks 1
  98
- Manual Handle Adjustment
  99
- Drawout Mechanism Position
  100
- Slow Closi Ng the Breaker
  100
- Primary Disconnects 2
  101
- Adjustment
  102
- Auxil Iary Switch 2
  102
- Replacement
  102
- Adj Ustment
  103
- Adjustment
  103
- Replacement
  103
- Shunt Trip
  103
- U Ndervoltage Device
  103
- Undervoltage Device
  103
- Adjustments
  104
- Factory Settings
  104
- Operational Check
  104
- Static Time-Delay Undervoltage
  105
- Bell a Larm
  106
- Bell Alarm
  106
- Electric Lockout Device
  106
- Operation
  106
- Adjustments
  107
- Electrical Control Components
  107
- Replacement
  107
- Component Replacement
  108
- Drawout Mechan Ism
  109
- Drawout Mechanism
  109
- F and G Switch Adjustment
  109
- Buffer Assembly
  111
- Buffer Adj Ustment
  112
- Buffer Adjustment
  112
- Tri P Latch Adj Ustment
  112
- Trip Latch Adjustment
  112
- Arc Chute Removal & I Nspection
  113
- Contact Maintenance
  113
- Akr 30/30H & Akru
  114
- Contact Adjustment
  114
- Fuse Sizes and Mounting
  121
- Special 2500A Fuse for AKRU 50
  121
- Open Fuse Lockout Device
  123
- Programmer Unit
  125
- Type Sst Overcurrent Trip Device
  125
- Current Sensors
  126
- 0.3 Flux Shift Tri P Device
  128
- Replacement of Current
  128
- Troubleshooting
  131
- Resistance Values 52
  132
- SST Test Set
  132
- 0.4.3 False Tripping-Br Eakers
  133
- 0.5 Sst Cabling Diag Rams
  133
- Equ I Pped with G Round Fault
  133
- Trip Device
  134
- Fault Trip Indicators
  138
- M Icroversatri P '" Trip D Evice
  138
- Programmer Unit
  138
- Remote Fault Indication
  138
- Microversatrip� Installation
  139
- 2.2 Current Sensors 60
  140
- 2.2.1 Replacement of Current
  143
- Sensors
  143
- Flux Shi Fter Trip Device
  144
- Troubleshooting
  144
- False Tri Pping- Breakers Equ Ipped with Ground Fault
  145
- Microversatrip
  145
- Resistance Values
  145
- Testing
  148
- Arc Chute Removal
  211
- Contact Adjustment
  215
- Aka 30/30H & Akru 30
  217
- Contact Replacement - AKA 50150H, AKRU
  217
- Fuse Sizes and Mounting
  219
- Fused Breaker
  219
- Special 2500 a Fuse for AKRU
  219
- Open Fuse Lockout Device
  221
- Typed Adjustment and Breaker Breakerreaker OFLO Adjustmentdjustment
  221

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