GE AK-3-25 Manuals

Manuals and User Guides for GE AK-3-25. We have 3 GE AK-3-25 manuals available for free PDF download: User Maintenance Manual, Installation And Operation Manual

GE AK-3-25 User Maintenance Manual (41 pages)

Power Circuit Breaker

Brand: GE | Category: Other | Size: 2.13 MB

Table of Contents
2
Introduction
3
Electrical Operation
3
Manual Operation
3
Operation 3
3
Electrical with Manual Operation
4
Elementary Diagram
4
Connection Diagram
4
Inspection
5
Lubrication
5
Separation of Front and Back Frames
5
Maintenance 5
5
Troubleshooting
6
Disconnects
6
Basic Breaker Components
7
Primary Disconnects
7
Movable Secondary Disconnects
7
Arc Quencher
8
Contact Adjustments
8
Breaker Contact Structure
8
General Preparation
9
Removal of Movable Contacts
9
Contact Replacement
9
Removal of Stationary Contacts
9
Contact Assembly
10
Mechanism
11
Contact Springs
12
Mechanism
12
Latch Adjustment - Manual Breaker
12
Latch Adjustment - Electrical Breaker
12
Replacement
14
Auxiliary Switch
15
Electrical Control Components
15
Closing Solenoid
16
"Y" Relay
17
Cut-Off Switch
17
Closing Switch
17
Closing Switch
18
Shunt Trip Device
18
Closing Switch (Top View )
19
Protective Devices
20
Overcurrent Trip Device
20
EC-2 Overcurrent Trip
21
GEI-50299 Power Circuit Breakers Types AK-2 -15
22
Ins Tantaneous High-Set Tripping
22
Instantaneous Low-Set Tripping
22
Reverse Current Trip Devices
23
Long Time Delay Tripping
23
Reverse Current Trip Device
23
Power Sensor Trip
25
Magnetic Coils
25
Power Supply
26
Power Sensor Unit
26
Magnetic Trip Device
26
Ground Sensor Coil
27
Control Disconnect Plug
27
Testing Magnetic Coils
28
Replacement of Power Sensor Components
28
Ground Fault Wiring Diagram
29
Time- Current Characteristic
30
Selective Tripping
31
Sensor Coils
31
Time Curve
31
Static Time Delay
32
Undervoltage Tripping Device
32
Undervoltage Lockout Device
34
Bell Alarm Anrl Lockout Device
35
Open Fuse Lock out Device
36
Akd- 5 Interlock
36
Miscellaneous
37
Maintenance Tools
37
Renewal Parts
37

GE AK-3-25 Installation And Operation Manual (10 pages)

LOW-VOLTAGE POWER CIRCUIT BREAKERS

Brand: GE | Category: Circuit breakers | Size: 0.55 MB

GE AK-3-25 Installation And Operation Manual (9 pages)

LOW-VOLTAGE POWER CIRCUIT BREAKERS

Brand: GE | Category: Circuit breakers | Size: 3.98 MB

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