background image

Figure 8. Tighten the bolted strap connections


Figure 7c. Flange nut

STEP 7 Continued

STEP 8

Tighten all the three bolted strap connections (carriage bolt as

-

sembly) at the vertical bus to 65 lb-in. It may be necessary to re-
move adjacent circuit breaker modules to allow access to the 
bolted connections at the vertical bus.

6x

1x Terminal cover 
2x Screws

4x

3

STEP 7 Continued


Figure 7b. Socket head screw

STEP 7

Install breaker with L-shaped barrier assembly [from STEP 6].
Refer figure 7a. Tighten Socket head screw [7] and flange nut [6], 
torque the screw [7] to 22 lb-in. Torque the flange Nut [6] to 160 
lb-in. Refer figure 7b and 7c.


Figure 7a. Installation of breaker and L shaped barrier assembly

7

2x

L-shaped barrier with
isolation base plate

[From STEP 6]

6

STEP 10

Install the filler plate [9] to panel with thread forming screw [5], 

torque the screw to 35 lb-in. Refer figure 10.


Figure 10. Install filler plate

STEP 9

Install terminal cover (14) in the load side and secure with 2x sup

-

plied screws as shown in figure 9.


Figure 9. Install terminal cover

14

9

5

Summary of Contents for Spectra K-frame

Page 1: ...ied personnel only Installation Numbers in brackets in the following instructions and figures refer to the item numbers in table below Item Part Description Qty 1 1 4 20 x 1 50 carriage bolt 6 2 1 4 Belleville Washer 6 3 1 4 20 Nut 6 4 Breaker mounting bracket 1 5 Thread forming screw 10 32 6 6 Flange Nut Thread size 3 8 16 6 7 Socket Head Screw 10 32 UNF x 4 IN 2 8 L Shaped Barrier 1 9 Filler pla...

Page 2: ...d forming screws 5 torque the screws to 35 lb in Refer figure 5 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 4 8 5 Folded Breaker side Adhesive side Align holes Breaker isolation backplate To mate with mounting plate 2 STEP 1...

Page 3: ...eaker with L shaped barrier assembly from STEP 6 Refer figure 7a Tighten Socket head screw 7 and flange nut 6 torque the screw 7 to 22 lb in Torque the flange Nut 6 to 160 lb in Refer figure 7b and 7c Figure 7a Installation of breaker and L shaped barrier assembly 7 2x L shaped barrier with isolation base plate From STEP 6 6 STEP 10 Install the filler plate 9 to panel with thread forming screw 5 t...

Page 4: ...ntents of this doc ument without prior notice With regard to purchase orders the agreed particulars shall prevail ABB AG does not accept any re sponsibility whatsoever for potential errors or possible lack of information in this docu ment abb com We reserve all rights in this document and in the subject matter and illustrations con tained therein Any reproduction disclosure to third parties or uti...

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