GE Industrial Solutions ProTrip Conversion Kits DB-15 - Manual (Page 7)

SECTION 4. INSTALLING THE
CONVERSION KIT
Installing the Phase Sensors (CTs)
Each of the Westinghouse ® DB-15 conversion kit phase
sensors (CTs) must be assembled onto its new copper
bus before installation onto the breaker.
1. Place the CT over the post on the bottom piece of
the new bus. Place the insulated barrier in position
on top of the CT, then place the top piece of the new
bus in position, as shown in Figure 6. Place a
3 / 8 -16
bolt with flat washer through the top bus and into the
tapped hole in the post of the bottom bus. Leave the
bolt finger tight for now.
2. Place the alignment pins in the breaker frame bottom
mounting holes left vacant by removal of the bolt in
step 3 (Component Removal). Position each CT
assembly over its alignment pin in the bottom of the
breaker frame, as shown in Figure 7.
3. Insert the provided 1 / 2 -13 x 1 1 / 2 " bolts with lock
washers through the hole above each load terminal
from the back of the breaker, as shown in Figure 8.
Leave the bolts finger tight for now.
4. Insert the provided 3 / 8 -16 x 1 1 / 4 " bolts with lock and
flat washers through the holes above the 1 / 2 -13 bolts
installed in step 3, as shown in Figure 8. Leave the
bolts finger tight for now.
Figure 7. Installing the CT assemblies onto the breaker.
Figure 8. Installing the CT mounting bolts.
Figure 6. Assembling the CT and bus components.
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