
DEH40152 
g          A-Series 
®
 II Panelboards 
AD/AE/AQ Type P & N Power Panel 
TQD Three-Phase Circuit Breaker 
Kits 
Introduction 
These instructions describe the installation of TQD three-phase circuit breaker kit into an 
A-Series® II panelboard. These kits are for use in panelboards ordered with Un-Specified 
Space. The catalog number for six-pole TQD breaker kit is ASPP6QD6D 
Parts List for ASPP6QD6D Table 1. 
ITEM #  DESCRIPTION  PART #  QTY 
1  BRANCH BASE FOR B PHASE  139C5702BQDG1  1 
2  BRANCH BASE FOR A PHASE  139C5702AQDG1  1 
3  BRANCH BASE FOR C PHASE  139C5702CQDG1  1 
4 (SPOOL)  315A7036P19  6 
5 (SCREW-SPOOL)  315A7037P4  6 
6 (WASHER-SPOOL)  75A105503P111  6 
7 (SCREW-BUS)  315A7034P8  6 
8 3P BRACKET  139C5500P81  2 
9  SCREW, BKT TO RAIL  N667P16008B6  8 
10  SCREW, C/B TO BKT  N80P150046B6  4 
11  FILLER PLATE, TQD  139C5503P64  1 
12  SCREWS , #10-32 X 3/8  N722P16006B6  4 
13 NUT  N210P16B6  6 
14 CUP WASHER  254V644P1  4 
Installation 
WARNING: Before attempting to install one of these kits, remove all power from the 
panelboard. 
Use the following procedure to install a TQD circuit breaker kit. Call-out numbers in the 
illustrations and numbers in brackets in the text refer to the Item Numbers in Table 1. 
Installation of a three-pole kit is illustrated in Figure 1. 
1. Remove the interior assembly from its packaging and verify that all parts are 
present, as given in the parts list. 
2. Remove the 8 screws (600A and 800A panels) securing the dead front to 
panelboard interior. Lift off the dead front and place it and the screws aside. 
3. Remove the circuit breaker kit from its packaging and verify that all parts are 
present, as given in the packing list. 
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4. Refer Fig.no.1 to mount the breaker on interior. Place branch base for A phase [2] 
adjacent to crossbar [15] as shown in fig.1 and insert the screw [7] through slot 
provided to mount it to A phase main busbar. Similarly mount B phase branch 
base [1] to B phase main busbar adjacent to A phase branch base and C phase 
branch base [3] to C phase main busbar adjacent to B phase branch base. All 
phase branch bases should be clamped to main bus using screw [7] with 60 in-lb. 
Maximum. 
Figure 1. Installation of a TQD circuit breaker kit, catalog number ASPP6QD6D, into an 
A-Series
®
 II Panelboards. 
5. Mount bracket [8] on the interior rail with two screws [9] with 27-36 in-lb at the 
location defined. 
6. Place the conical washer [6] over the three ¼-28 x 1 3/8 screws [5] and insert the 
screws through the holes in the top of the circuit breaker. Secure the three spools 
[4] to the underside of the breaker terminals with the screws [5]. Take care to 
assemble the screws to the spools as shown in Figure 1, with the tapped end of the 
spool toward the breaker terminal. 
7. Place the breaker assembled with spool over branch bases[1][2][3], align the 
spool [4] with protruded opening in branch bases and tighten the three ¼-28 X 1 
3
/8 screws [5] installed in step 6 to 60 in-lb. Maximum. 
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8. Insert two screws [10] into the holes in the circuit breaker and tighten to bracket 
[8] with 18-22 in-lb. 
9. Remove the four screws [12] of existing filler plate from dead front where TQD 
breaker needs to be installed, as illustrated in Figure 2. 
Figure 2. Removing the shield inserts from the shield for TQD breaker installation in  
A–Series® II Panelboards. 
10. Place the filler plate [11] over the dead front so that the four same-size holes line 
up with the threaded holes of the dead front, as illustrated in Figure 3. Fasten filler 
plate to the dead front with four #10-32 x 3/8 screws [12] tightened to 27-36 in-lb. 
11. Reattach the dead front to the interior with the 8 screws removed in step 2. 
Tighten the screws to 27-36 in-lb. 
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Figure 3. Attaching the shield insert to the shield for TQD breaker installation in       
A-Series® II Panelboards. 
12. If TQD breaker has to be installed after SG or SF/TFJ as shown in Figure 4 then 
gap between the breakers (dim A) has to be followed as mentioned in Table 2. 
Replace the subsequent blank filler of dead front with TQD filler plate given in kit 
ASPP6QD6D using steps 9 to 11. 
13. If TQD breaker has to installed immediate after crossbar as shown in Figure 5 
then gap between the breaker and crossbar has to be 0.0525inch. 
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Figure 4. Distance between breakers      
Gap with 
Breaker 
SG 0.582 
SF/TFJ 1.875 
A (in) 
                Table 2. Distance between breakers. 
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Figure 5 Distance between the Crossbar and TQD breaker 
These instructions do not cover all details or variations in equipment nor do they provide 
for every possible contingency that may be met in connection with installation, operation, 
or maintenance. Should further information be desired or should particular problems arise 
that are not covered sufficiently for the purchaser’s purposes, the matter should be 
referred to the GE Company. 
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