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4TH CIT DISCONNECT
BREAKER PORTION
! _l
�����tR FRAM
(DIMENSIONS IN INCHES)
Fig. 4-10. AKR-75/100 4th-wire disconnect installation substructure
4.7-Neutral Sensors
The neutral sensor is an electrical duplicate of the phase
sensor, including the taps. Therefore, when taps are changed
on the phase sensors, the taps on the neutral sensor must
be correspondingly positioned.
110
112
111
x
110. (2) Screws (#10-32
1'/a-inch)
111. (2) Lock washers
112. (2) Flat washers
NOTE: EXISTING HOLES IN SUBSTRUCTURE
ARE 0.272 DIAMETER
132
114
BREAKER
115
SUBSTRUCTURE
114. (2) Flat washers
115. (2) lock washers
X
132. (2) Screws (V.-20
1 v.)
Mount the neutral sensor in the outgoing neutral lead, nor
mally in the equipment's bus or cable compartment.
to observe the sensor's LINE and LOAD directional markings.
See Fig. 4-11 and Fig. 4-12, for the sensor's bar drilling plan.
Check to insure that the neutral and phase sensors match,
i.e., have the same ampere range. Refer to Fig. 4-13 for addi
tional neutral sensor installation information.
SUBSTRUCTURE
&
Be sure
1 9
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