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Equipment Description
01.4IB.65131
a
c
e
g
i
b
d
f
h
j
Figure 4
PowlVac 38™ ARM 3000A Series 4 Vacuum Circuit Breaker Rear View
with Barriers Removed
a. Lifting Hole
b. Upper Primary Disconnect Device
c. Support Strut
d. Vacuum Interrupter
e. Main Insulator
f. Lower Primary Disconnect Device
g. Anti-Rollout Latch
h. Frame
i. Wheel
j. Serial Number Plate
k. Crank Arm Roller
l. Racking Crank Arm
m. Racking Shaft
n. Interlock Cam
o. Insulating Pole Support
p. Heat Sink
q. Clevis
r. Pushrod/Clevis Pin
s. Vertical Pushrod
t. Horizontal Pushrod
u. Contact Loading Spring
v. Spacer
w. Pivot Pin
x. Bell Crank
y. Operating Pin
z. Spring Yoke
aa. Impact/Lock Nut
ab. Ground Connection
s
t
u
x
v
w
y
z
aa
ab
k
n
l
m
o
q
r
p
Note
:
The corona shields have been removed for clarity in
this view.
