SECTION 7- Breaker Maintenance (Cont.)
7.5
PRI MARY DISCONN ECTS
Pri mary disconnects are found only on drawout break
ers. They provide the f lexible connection between the
breaker line and load termi nals and the equ i pment line
and l oad terminals.
FIG. 22 - PRIMARY DISCONN ECT
ASS EMBLY
FIG. 24 - PARTIAL P R I MARY DISCONN ECT
ASM
The 800 ampere breakers use four primary discon nect
fingers per terminal. The 1 600 and 2000 ampere breakers
use eight fingers per term inal . Fig. 22 shows a line and
load end discon nect assembly. The l i ne end disconnects
on fusible breakers have the spring pointing downwards,
otherwise they are identical .
FIG. 23 - PARTIAL PRI MARY DISCONNECT
ASM
FIG. 25 - PARTIAL P R I MARY DISCONN ECT
ASM
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