Table of Contents
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1. Interrupter assembly
2. Base frame
3. Steel structure
5. Switching shaft
6. Insulating stud
7. Handle (for slow
closing)
8. Lever
9. Pin
10. Lock washer
11. Drive mechanism
housing
12. Pin
13. Pin
14. Lock washer
15. Circlip
16. Pin
27
15, 16
13, 14
4
20, 23
9
10
Fig. 7.
Cross section of interrupter assembly, base
frame and operating mechanism
6
17. Vacuum interrupter
18. Insulator
19. Contact pressure
spring
20. Drive shaft
23. Bearing
24. Operating mechanism
27. Bottom Switching Rod
30. NRV (optional feature)
1
17
6
18
30
2
19
5
3
11
24
7
12
8
Fig. 8.
Mounting of operating mechanism on steel
structure
1. Moving contact
2. Guide
3. Metal bellows
4. Fixed contact
5. Insulator
6. Arc chamber
Fig. 9.
Section through a vacuum interrupter
SIDE VIEW
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Table of Contents
