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D i mension S h eet
29-1 70C
8
Page
Westing house AB DE-IQN® Cu rrent Limiting Circuit Breakers
Type LA Tri-Pac Circuit Breaker, Drilling Plans
For Mounting Bolts
2.750
.313(7.93) Dia
1 _ 375
-t<L
I 1 1 '"
1
j
�
j --t - -
!
�
Ha
dle
'
'
14.250
�
:
{361.81}
9.500
.813 (20.63) Diameter Hole
for 50 to 400 Amps
6 Holes for 3-Pole Breaker
4 Holes for 2-Pole Breaker
Omit 2 Center Holes for
2-Pole Breaker
Terminal Arrangements
Cable
Catalog
Ampere
Wire
Number
Rating
Size
For Use With Cu/AI Cable (Must be Specified )
Single
TA225LA1
125-225
#6-350 MCM Cu or
#4-350 MCM AI
Double
TA400LA1
250-400
#4-250 MCM Cu/AI Plus
3/0 - 600 MCM Cu/AI
For Use With Copper Cabl e Only (Supplied as Standard)
Single
TA225LA
70-225
#6-350 MCM
Double
TA400LA
250-400
#4-250 MCM and
3/0-600 MCM
Reproduced from drawing
6550300
&
Cutler-Hammer
West i n g h o use
Cutl er-Ha m m e r Products
Five Pa rkway Center
Pitts b u r g h , Pennsylva nia, U . S.A 1 5220
For Rear Connected Studs
�
I
,
�- 1 � --1
I
j
-
�
I
!
1
�
I
I
<!_Handle -
14.781
301
137
9 688
Rear Connected Studs
Stud Ampere Stud Styl e
Rating
Number
125-225
1241345
125-225
1241392
125-225
1241346
0587383G15 .750 (19.04 ) - 16 {406.24)
250-400
250-400
0587383G16 .750 (19.041 - 16 (406.241
05B7383G17 .750 (19.04 ) - 16 (406.24 )
250-400
Dimensions in parentheses in millimeters
For Plug-In Blocks
1.125
(28.561
dl�gl I
I
. I ' I
-t - ---,- - -
'
Ji
I
1
I
,
1
.
-- - -+ttHandle- -
.
I
'
9.344
1 . 188 R
�
(30. 1 5) R
(25.391 112.701
.500 ( 1 2.70) Diameter'
(6 Holes) for
.375 (9.52) Diameter
Mounting Bolts
I
Thread
Dimension
Size
A
.500 (12. 7 01 - 13 (330.071
3.219 (81.721
.500 (12.70) - 13 (330.071
6.281
159.481
.500 (12.701 - 13 (330.071
4.969 (126.161
5.938 (176.141
7.969 (202.331
10.938 (277.70)
Front Cover Cutout
- � u s � � - �
.250 R
(6.35) R
I
1
. 1
.375 R
(9.52) R
14.781
1
(375.301
. 1 2 5 R
17.031
(3.17) R
(432.421
'
1.125
(28.561
Plug-In Adapter Kit
Poles
Ampere
Ki t Style
Rating
Number
125-400
313C644G25
125-400
313C644G26
r
1
I
6.813
1
�-
3.250
182.521
1.625
----, I
(41.261
,
1.969
1
(49.991
I
- !lHandle---.
�w�� �
IM 7 o�l
Thread
Size
.750 (19.041 - 16 (406.241
.750 (19.041 - 16 (406.241
Printed in U.S.A.
January 1995
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