Siemens 3AH Installazione Funzionamento e manutenzione - Pagina 14
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Vacuum Interrupter/Operator Description
48
Insulating coupler
50.3
Charging flange
50.3.1 Driver
53
Close pushbutton
53.1
"Close coil, 52SRC"
54
Open pushbutton
54.1
"Trip coil, 52T"
62.1
Charging shaft
62.2
Crank
62.2.2 Closing spring mounting
62.8.1 Spring return latch
62.8.2 Trip free draw bar
Figure 7a. Operating Mechanism Section Diagram
Operating Mechanism Open, Closing Spring Discharged
* Items changed from 7c on 'Trip' Operation) (Underlined items
changed from 7b on 'Closed Spring Discharge' Operation)
62.3
Cam disc
62.5
Lever
62.5.1 Pawl roller
62.5.2 Close latch pawl
62.6
Drive lever
62.8
Trip free coupling rod
62.8.2 Trip free coupling link (Draw bar)
62.8.3 Trip free coupling lever
62.8.5 Push rod & cam assembly
62.8.6 Interlock lever-push rod
62.8.7 Interlock lever-actuator
62.8.8 Trip free actuator
Figure 7b. Operating Mechanism Section Diagram Operat-
ing Mechanism Open, Closing Spring Charged
changed from 7a on 'Closed Spring Charge' Operation)
63.
63.1
63.5
63.7
64.
64.2
64.2.1 Trip latch pin
64.2.2 Latching pawl release lever
64.3
64.3.1 Jack shaft pawl
64.5
* Items changed from 7d on 'Trip' Operation) (Underlined items
Jack shaft
Lever-phase C
Lever-phase B
Lever-phase A
Opening spring
Trip latch pawl
Lever
Opening spring shaft
12