List of figures – GE Industrial Solutions MicroVersaTrip Plus and MicroVersaTrip PM AK-1-15, AK-1-25 User Manual

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LIST OF FIGURES

1. I-T-E/ ABB breaker before conversion. .................................................................................................... 5
2. Escutcheon removal................................................................................................................................. 5
3. Arc chute removal.................................................................................................................................... 5
4. Auxiliary switch mounting plate removal............................................................................................... 6
5. Removing the phase barrier support rod................................................................................................ 6
6. Loosening the locking bolt on the main contact closing arm jack shaft. .............................................. 6
7. Removing the adjusting screw from the jack shaft clevis...................................................................... 6
8. Removing the phase barriers. ................................................................................................................. 7
9. Removing the draw-out primary contact fingers.................................................................................... 7

10. Removing the pole assembly. ................................................................................................................. 7
11. Removing the contact assembly mounting bolts. .................................................................................. 8
12. Disassembled pole unit. .......................................................................................................................... 8
13. Installing the contact mounting plate...................................................................................................... 8
14. Converted pole assembly. ....................................................................................................................... 8
15. Removing the existing trip paddle, as seen from the rear. .................................................................... 9
16. X washer installed on a draw-out contact finger assembly ................................................................... 9
17. Escutcheon removal............................................................................................................................... 10
18. Arc chute removal.................................................................................................................................. 10
19. Auxiliary switch mounting plate removal............................................................................................. 10
20. Draw-out primary contact finger assembly removal............................................................................ 11
21. Removing the shunt mounting bolts. ................................................................................................... 11
22. K-3000S with CTs and shunts removed. ............................................................................................... 11
23. Installing the CT spacers........................................................................................................................ 12
24. Installing the phase sensors. ................................................................................................................. 12
25. Installing the CT retaining plates........................................................................................................... 12
26. Installing the trip paddle, as viewed from the rear of the breaker....................................................... 13
27. Removing the bolt and nut from the right-pole closing arm assembly. ............................................. 14
28. Reset stud installed on the right-pole closing arm............................................................................... 14
29. Flux shifter mounting holes in the right side frame. ............................................................................ 14
30. Flux shifter installed............................................................................................................................... 15
31. Installation of the flux shifter reset arm. ............................................................................................... 15
32. Attaching the X washer to secure the flux shifter reset arm................................................................ 15
33. Adjusting the flux shifter, viewed from the top of the breaker............................................................ 16
34. 36-pin trip unit connector....................................................................................................................... 17
35. 36-pin connector adapter bracket. ......................................................................................................... 17
36. Adapter bracket locking tabs. ................................................................................................................ 17
37. Installing the push nuts onto the guide pins. ....................................................................................... 18
38. Locking tabs on mounting plate............................................................................................................ 18
39. Installing the trip unit bracket................................................................................................................ 19
40. Flux shifter wiring harness leads........................................................................................................... 19
41. CT wiring harness leads......................................................................................................................... 19
42. Caution label to be applied to the breaker and compartment door. ................................................... 20
43. Unused communications and neutral CT wiring tied off. .................................................................... 20
44. Installing the trip unit on its mounting plate. ....................................................................................... 21
45. Neutral sensor outline for I-T-E® K-3000, K-3000S, K-4000, and K-4000S breakers............................ 22
46. Cabling diagram for MicroVersaTrip Plus™ and MicroVersaTrip PM™ trip units with

ground fault on four-wire loads ............................................................................................................ 25

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