GE Industrial Solutions EntelliGuard 800–2000 A Frames, 240–600 Vac Maintenance Manual - Manual (Page 4)

EntelliGuard™ 800–2000 A Power Circuit Breakers
Table of Contents
ii
Chapter 1. Introduction
1.1 Overview................................................................................................................................................... 1
1.2 Inspection and Maintenance .................................................................................................................. 1
1.3 Renewal Parts........................................................................................................................................... 1
Chapter 2. Description
2.1 Introduction ............................................................................................................................................ 3
2.2 Frame Sizes .............................................................................................................................................. 3
2.3 Operation ................................................................................................................................................ 3
2.4 Fused Models ........................................................................................................................................... 3
2.5 Mounting ................................................................................................................................................. 3
2.6 Trip Units ................................................................................................................................................ 3
2.7 Interruption Ratings ............................................................................................................................... 3
Chapter 3. Storage, Safety, and Maintenance
3.1 Storage ..................................................................................................................................................... 5
3.2 Safety........................................................................................................................................................ 5
3.3 Maintenance............................................................................................................................................ 5
Chapter 4. Breaker Operation
4.1 Operating Instructions............................................................................................................................ 7
Sequence of Operations .................................................................................................................. 7
Operation of the Breaker ................................................................................................................ 7
Padlock Operation........................................................................................................................... 8
4.2 Control Wiring ........................................................................................................................................ 8
4.3 Breaker Interlocks ................................................................................................................................... 8
Drawout Interlock............................................................................................................................ 8
Contact Interlock............................................................................................................................. 8
Spring Discharge Interlock ............................................................................................................. 8
4.4 Equipment Interlocks.............................................................................................................................. 8
Chapter 5. Breaker Maintenance
5.1 Lubrication ............................................................................................................................................ 11
5.2 Removing and Reinstalling the Breaker .............................................................................................. 11
Removing the Breaker................................................................................................................... 11
Installing the Breaker .................................................................................................................... 11
5.3 Slow Closing the Breaker ...................................................................................................................... 13
5.4 Separation and Reconnection of Front and Back Frames................................................................... 13
Separation of Front and Back Frames for EGS08, EGF08, and EGH08 ...................................... 13
Reconnection of Front and Back Frames for EGS08, EGF08, and EGH08 ................................. 14
Separation of Front and Back Frames for EGX08, EGS16, EGF16, EGH16, EGS20, and
EGF20............................................................................................................................................. 16
Reconnection of Front and Back Frames for EGX08, EGS16, EGF16, EGH16, EGS20, and
EGF20............................................................................................................................................. 16