127
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9. Maintenance
Figure 200:
1 Isolating tulip
2 Isolating contact
3 Lower shutter
Figure 201:
1 Q8S1 auxiliary contact – earthing switch OFF
2 Sliding closure
3 Cam plate, adjustable
4 Q8S2 auxiliary contact – earthing switch ON
Figure 202:
1 Locking disk
2 Cam
3 Q8S2 auxiliary contact – earthing switch OFF
4 Q8S1 auxiliary contact – earthing switch ON
Earthing switch motor operator with
auxiliary contacts installed, protections removed
Manual earthing switch operating mechanism
with auxiliary contacts, side protection removed
View of inside circuit-breaker compartment,
withdrawable part removed, shutters open
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