GE Industrial Solutions EntelliGuard 800–2000 A Frames, 240–600 Vac Maintenance Manual - Manual (Page 7)

EntelliGuard™ 800–2000 A Power Circuit Breakers
List of Figures
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1. Front of the EntelliGuard circuit breaker, showing the locations of standard and optional
features....................................................................................................................................................... 2
2. Elementary diagram of the breaker control circuits. ............................................................................... 9
3. Location of the secondary disconnect ...................................................................................................... 9
4. Installing the breaker into the compartment......................................................................................... 12
5. Disconnecting the closing spring assembly. ........................................................................................... 13
6. Removing or installing the secondary disconnect ................................................................................. 14
7. Movable contact connection to the breaker main shaft on EGS08, EGF08, and EGH08 breakers. ..... 14
8. Separating the front and back frames on EGS08, EGF08, and EGH08 breakers.................................. 15
9. Movable contact connection to the breaker main shaft on EGX08, EGS16, EGF16, EGH16,
EGS20, and EGF20 breakers. .................................................................................................................. 16
10. Separating the front and back frames on EGX08, EGS16, EGF16, EGH16, EGS20, and EGF20
breakers.................................................................................................................................................... 17
11. Breaker mechanism in the CLOSED position. ...................................................................................... 18
12. Breaker mechanism in the TRIPPED position. ..................................................................................... 18
13. Breaker mechanism in the RESET position........................................................................................... 18
14. Adjusting the trip latch. .......................................................................................................................... 19
15. Typical back frame assembly, EGS08, EGF08, and EGH08. .................................................................. 21
16. Typical back frame assembly, EGX08, EGS16, EGF16, EGH16, EGS20, and EGF20............................ 21
17. Upper (stationary) contact assembly for EGS08, EGF08, and EGH08 breakers................................... 22
18. Lower (movable) contact assembly for EGS08, EGF08, and EGH08 breakers...................................... 22
19. Removal and installation of contact assemblies on EGS08, EGF08, and EGH08 breakers .................. 23
20. Removal and installation of contact assemblies on EGX08, EGS16, EGF16, EGH16, EGS20, and
EGF20 breakers........................................................................................................................................ 25
21. Stationary main and intermediate contact styles. .................................................................................. 25
22. Replacement of stationary arcing contacts............................................................................................. 25
23. Contact adjustment on EGS08, EGF08, and EGH08 breakers............................................................... 26
24. Contact adjustment on EGX08, EGS16, EGF16, EGH16, EGS20, EGF20 breakers. ............................. 27
25. Primary disconnect assembly for EGS08, EGF08, and EGH08 breakers ............................................... 28
26. Primary disconnect assembly for EGX08, EGS16, EGF16, EGH16, EGS20, and EGF20 breakers........ 28
27. Primary disconnect removal and installation on EGS08, EGF08, and EGH08 breakers ...................... 29
28. Primary disconnect removal and installation on EGX08, EGS16, EGF16, EGH16, EGS20, and
EGF20 breakers........................................................................................................................................ 30
29. Primary disconnect adjustment on EGX08, EGS16, EGF16, EGH16, EGS20 and EGF20 breakers. .... 30
30. Secondary disconnect.............................................................................................................................. 31
31. Secondary disconnect terminal numbering. .......................................................................................... 31
32. Removing or installing the secondary disconnect. ................................................................................ 31
33. Flux shifter............................................................................................................................................... 32
34. Flux shifter adjustment............................................................................................................................ 32
35. Removal or installation of a flux shifter ................................................................................................. 33
36. Draw-out racking mechanism. ................................................................................................................ 34