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GE Spectra K-frame Installation Instructions page 2

Retrofit with abb tmax xt7 breaker single mount (bolt-on kits)

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2
STEP 1
Prepare the breaker, install required lugs and identify the re-
quired mounting and termination accessories from circuit
breaker kit. Refer to breaker instruction document for more infor-
mation.
Figure 1. Prepare the breaker
STEP 3
Find the side of the panel interior at which the dimension from
the face of nearest vertical bus to the inner face of the bus sup-
port rail is 2.75 inches, as illustrated in Figure 3.
LINE
2.75" REF
Figure 3. Single branch, ABB XT7; Right side cable entry Assembly end view
STEP 5
Install the breaker mounting bracket [4] to the panel side rail with
thread forming screws [5], torque the screws to 35 lb- in. Refer
figure 5.
Figure 5. Installation of mounting bracket
Cable entry
LOAD
Main Bus
2x
4
STEP 2
Remove flat cap and install foldable handle assembly (13) and
tighten the screw.
Figure 2. Install foldable handle assembly
STEP 4
Install the strap assemblies [10,11,12] with the corresponding
holes in the vertical bus, as shown in Figure 4. Fasten each strap
assembly loosely to the vertical bus with two carriage bolts [1],
Belleville washers [2] and nuts [3].
Figure 4. Installation of link assy. A, B & C phase
STEP 6
Prepare L-shaped barrier assembly. Fold L shaped barrier (8) as
shown in figure 6 and fix the breaker isolation base plate (sup-
plied with breaker kit) to the adhesive surface of L shape barrier
(8) as shown in figure 6.
Folded
5
Figure 6. Prepare L-shaped barrier assembly
Remove flat cap and screw
Figure 2a. Remove flat cap and screw
Install foldable handle assy
13
Figure 2b. Install foldable handle assembly
2.75"
REF
12
11
10
Adhesive side
Align holes
Breaker side
8
To mate with
mounting plate
3
2
1
6x 6x 6x
Breaker isolation
backplate

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