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J a n u a ry 1 995
New I nformation
M a i led to: E, D, C/29- 1 00A, 3 1 -400A,
3 1 -500A
Types JD, HJD, JDC Four-Pole Breakers
Front View
Line End
1
2. 8 44
i
( 7 2. 2 41
I
I
4. 0 00
3. 7 50
1 1 01. 6 01 1 9 5. 2 51
10. 0 00 7. 2 50
1 2 54. 0 01 1 1 84. 1 51
I
' I ' I
. 2 50
.250 R ..
i
.
16.351 R
,
.,
00
.688 I 1 7 .461
Dia.
8 Holes
Load End
Reproduced from drawings 1491 064 and 1491068
&
Cutler-Hammer
Westi n g h ouse
C utler- H a m m e r Products
Five Parkway Center
Pitts b u r g h , Pen nsylva nia, U . S.A. 1 5220
Types J D, H J D, J DC F o u r-Pole
.281 (7. 1 4) Dia.
6 Mtg. Holes
. 500 ( 1 2.701 Dia.
. 1 1 0 (2.79)
Dia.
@
8 Holes
7. 5 31 1 1 91. 2 91
1 5 "
RESET
Typical 3-Pole
Thermal-Magnetic
Trip Unit
Catalog
T250KB
TA250KB
Dimensions in parentheses in millimeters
West i n g h o use
Series C®
Molded Case
C i rc u it B reake rs
J- Frame
70-250 Am peres
L i n e End
/
I I
N
O
TRIP
..
I��-: -
I
\
_ _ _
_ _
_ -
I
I
. 0 35
�
( . 8 9)
1
OFF
�
4 062 ( 9 7 33}
4312 ( 1 0317)
I
- ( 1 09' 5 2)
Load End
Front Connected Terminals
Cable
Amp
N u m ber
Rating
Cu Single
70-250
Cu-AI Single
70-250
Dimension Sheet
29-1 70J
Page 3
- ,
'
��
1 9 6. 8 21 . . ..
. 1 56 1 3 . 9 61
. 5 00 1 1 2. 7 01
5. 7 97 ( 1 47. 2 4)
. 1
Cl.
Br e aker
Handl e
l ' " " '
'1 2 6. 9 7)
--j
;
� �
-
-
-
-
9 9 1)
,r - � -
: :;
( 1 -
f
- -
- -
-
-, �:t
,
1
, , , � , t
m: : f:::
-
4. 9 42Max
( 1 25. 8 1) Max
Wire
Torque
Size
#4 to 350 MCM
180 Lb-in
120.3 N m l
#4 to 350 MCM
275 Lb-in
13 1 . 1 Nml
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