GE AKR-30 Series Maintenance Manual page 3

" f
SECTION 10
TYPE SST OVERCURRENT
1 0.0
TRIP DEVICE
Programmer Unit
10.1
Current Sensors
10.2
1 0.2.1
Sensors
Flux Shift Trip Device
10.3
Troubleshooting
10.4
1 0.4.1
1 0.4.2
1 0.4.3
Equipped with Ground Fault
1 0.5 SST Cabling Diagrams
SECTION 11
TYPE ECS OVERCURRENT
1 1.0
TRIP DEVICE
1 1 .1 ECS Cabling Diagrams
SECTION 12
MICROVERSATRIP TRIP DEVICE
12.0
12.1 Programmer Unit
1 2.1.1
12.1.2
1 2. 1 .3
Current Sensors
12.2
12.2.1
Sensors
Flux Shifter Trip Device
1 2. 3
12.4 Troubleshooting
12.4.1
12.4.2
Equipped with Ground Fault
MicroVersaTrip Cabling Diagrams
12.5
13
SECTION
13.0 EC TRIP DEVICE
13.1 Series Overcurrent
Tripping Device EC-2A
1 3.1 1
High Set Instantaneous
Tripping
13.1.2
Low-Set Tripping
1 3.1.3
High-Set Tripping
Series Overcurrent
13.2
Tripping Device EC-1
Replacement of Current
SST Test Set
Resistance Valve
False Tripping-Breakers
Fault Trip Indicators
Remote Fault Indication
Mi croVersaTrip Installation
Replacement of Current
Resistance Valves
False Tripping-Breakers
Long Time-Delay And
Instantaneous
Instantaneous
Page
SECTION 13
45
45
45
46
48
48
51
1 3.3
52 1 3.4
52
53
53
1 3.5
1 3.6
56
SECTION
1 4
56 1 4.0
58
57
58
58
58
58
59
60
63
64
64
65
65
Table
66
Coil Resistance
Table 23
70
Instantaneous Undervoltage
Device Settings
70
Table
72
Time-Delay Undervoltage
72
Device Ratings
72
72
72
73
1 3.2.1 Short Time-Delay
Tripping
1 3.2.2 Long Time-Delay
Tripping
Instantaneous
1 3.2.3
Tripping
C-1
1 3.2.4 E Adjustments
Positive Trip Adjustments
Reverse Current Tripping
Device
Adjustments
1 3.4.1
Replacement
1 3.4.2
Switchette Feature
Trip Device Replacement
ELECTRICAL CHARACTERISTICS
Table 1 6
Charging and Closing
Operating Currents
Fuse Selection
Table
1 7
Bell Alarm Contact Rating
Table
1 8
Auxiliary Switch Contact Sequence
Table
1 9
Auxiliary Switch Contact Ratings
Table 20
Charging Times
Table 21
Shunt Trip
Undervoltage Device
22
24
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77
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