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O P E R A T I O N O F T H E S W I T C H G E A R
—
6/1 Withdrawable
part with
circuit-breaker,
VD4, operating
mechanism side
—
6/2 Charging the
spring energy
storage mechanism
manually by moving
the inserted lever
up and down
—
6/3 Fitting the hand
cranck (against
spring-loaded
intermediate plate)
to move the truck
inside the panel
clockwise towards
the service position,
and anti-clockwise
from the service
50.4
position towards
—
the test/disconnected
6/1
position.
—
6/4 Manual
50.4 Guide cam
operation of the
50.6 Front cover plate, right hand side
circuit-breaker, by
50.7 Front coverplate, left hand side
turning the double
51
nterlock yoke
bit key approx. 15°
51.1 Catch pin spring loaded
clockwise (ON), or
51.2 Sliding handle
approx. 15°
anti-clockwise (OFF)
—
6/3
52
Spindle
52.1 Square spigot
146 Hand cranck
51.1
51.2
51
52
54.1
50.7 55.7 55.4 55.5 50.6
52
Spindle
54.1 Link rod
55.4 Switch position indicator
55.5 Operating cycle counter
55.6 Socket for charging lever
55.7 Rating plate
146
55.8
55.6
128
—
6/2
55.6 Socket for charging lever
55.8 Charging condition indicator
128 Charging lever
52.1
52
—
6/4
54 ON-OFF operating shaft
145 Three bit key (ON-OFF operation)
35
54
145
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