9
1.2.1.9 Service Position (Connected Position)
plug connection.
1.2.1.10 Test Position
through low voltage plug connection. Also metallic shutters
contact.
1.2.1.11 Disconnected Position (Isolated Position)
1.2.1.12 Removed Position
using bolts.
the circuit breaker truck ensures the earthing of the truck in
mechanical counter
4.3. LV connection plug
4.4. Drive mechanism housing
4.5. Truck (Drive Box)
Fig 4: Withdrawable Truck in Test Position & door open
4.7. Clip for locking LV plug to breaker
spring
4.9. Opening for operating the breaker in service
position
4.10. ‘ON’ push button
4.11. ‘OFF’ push button
Summary of Contents for 8BK80
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