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3 STRUCTURE AND OPERATION
3.1 INTERNAL STRUCTURE AND COMPONENTS
3.1.1 Internal configuration
Figure 3.1:
1. Control terminal block
2. Control terminal
3. Auxiliary switch
4. Closing , Opening, Undervoltage Shunt Release
5. Protection Relay
6. Front cover
7. Mechanism
8. Loading rod
9. Trip spring
10. Closing spring Extraction
11. Device Arc chute Movable
12. Arc extinction chamber
13. Contat
14. Fixed contact
15. Line current conduction contact
16. Truck jaw
17. Truck
18. Circuit Breaker current conduction contact
19. Current Transformer
20. Load current conduction contact
14 | ABWC Compact Air Circuit Breaker