20
Figure 9: Operating mechanism section diagram (drawout trip-free linkage shown) mechanism CLOSED, closing spring DISCHARGED
Footnotes:
* Numbered items moved from position shown in Figure 8: Operating mechanism section diagram (drawout trip-free linkage shown)
mechanism OPEN, closing spring DISCHARGED.
1.
For type SDV6 and some fixed-mounted circuit breakers, trip-free coupling rod (62.8) is replaced with a straight coupling rod, and other
parts associated with drawout interlocking are eliminated.
Item Description
48.0 Insulating coupler
53.0 Close pushbutton
53.1 Close coil 52SRC
62.1 Charging shaft
62.2 Crank
62.2.2 Closing-spring mounting
62.3 Cam disc
62.5 Lever
62.5.1 Pawl roller
62.5.2 Close latch pawl
62.6 Driver lever
62.8 Trip-free coupling rod
63.0 Jack shaft
63.1 Lever - phase C
63.5 Lever - phase B
63.7 Lever - phase A
64.5 Opening-spring shaft
62.5
62.1
62.3
62.2
62.6
53.0
53.1
62.8
64.5
48.0
63.5
63.0
64.5
63.7
63.1
63.5
62.5.1
62.5.2
62.2.2
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