Vacuum interrupter/ operator – Siemens vacuum circuit breaker 38-3AH3 38 kV User Manual
Page 34
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Figure 33: Circuit-breaker compartment (MOC/TOC switch cover removed for photo)
Vacuum interrupter/
operator
1. Shutter-operating linkage
2. Shutters
3. Racking mechanism padlock
provisions
4.
Primary disconnects
(behind shutters)
5. MOC switch (optional)
6. Current transformers
(behind barrier)
12
10
11
2, 4, 6
9
10
2, 4, 6
8
3
9
7. Secondary disconnect
8. Trip-free padlock provisions
9. Current-transformer barrier
10. Racking mechanism
11. Ground bar
12. Rating interlocks
13. MOC operating pantograph
13
7
5
1
34
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