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8
August, 1 978
Supersedes Dimension Sheet 2 9 - 1 70
dated October, 1 977.
E,
M a iled to :
D, C / 1 9 0 1 , 1 928, 1 929/ P L
75 ®
Type J B , K B a n d M A R K
2
from
ore
Current Carrying
Ports
Omitted
Center Pole
for
Pole Breaker
Ampere Rottng
Magnetic Tnp
Adjustment
Front Connected
Termtnols
( Not
Wtth
Supplied
Breaker or Frome)
Tobulatt o n
See
Terminal Arrangements
Cable
Catalog
Amp
Number
Rating
T 2 50KB
70 to 2 50
C u / AI
Single
7 0 to 2 50
" C u/AI
TA250KB
Single
•
Aluminum Body
Drilling Plan s
F o r Mounting Bolts
( Front Connected Terminals)
<·"- "'""
load End
Reproduced from Drawing 4974060
8 Changed since previous issue.
Westing house Electric Corporation
Low Voltage Breaker Division
Beaver, Pennsylvania 1 5009
Page 25: Types J B, KB and M A R K 75®
Type HKB 250 Am peres
Page 26: Type DA 400 Am peres
Type H K B Breakers8
�
P
s
�
Button
Handle tn
t
Top of
"OFF"
o
liOn
1 � -1 8
Rear Connected Studs
Thread
Do Not Use More
Than l OFt. Lbs.
Torque to Ttghten Nuts
Wire
Size
#4 to 350M C M / C u
# 2 to 350M C M / AI
#4 to 350MCM
For Rear Connected Studs
line End
8 32
<t_
of Breaker Handle
·
for
Pole Breaker
32
2
load End
Dimensio n S heet
29-1 70
Page 2 5
AB DE-ION ®
Circ u it B reakers
Stud
Stud
Ampere
Style
Rating
N umber
501 0D23G01
2 50 Short
2 50 Long
50 1 0D23G02
2 50 Short
501 0D23G01
�-13
2 50 Long
501 0D23G02
250 Short
501 0D23G01
250 Long
501 0D23G02
Thread
Stud complete consists of one stud assembly and one tube as per chart.
Order long and short studs as required to obtain proper bus spacing.
For Plug-in Blocks
line End
(
I
for
load End
1 � D1 a meter
Holes
4
1 �
Baits
Mounting
32
3 1.9
Panel
Tube Length Tube
c
2 1J 2
Thickness
Style
A
B
Number -
o/ 32
� to 1
4560983H05
� to 1
3 �
501 0023H05
X
1
4560983H06
Y, to �
4 X,
50 1 0D 2 3 H06
Y, to �
to Y,
1 ' Y, ,
4560983H07
� to �
4 %
501 0D23H07
Front Cover Cutout
�
5
1 z 3 G4
-4i
l� 3
�
3 2 +
t_of Breaker Handle
�
a
te
a D1amete r
·
32
2 4
Hole to Show
Ampere Rat1ng
·
1
m
D
e
r
( If
Holes
Requ1red)
load End
M
gge
e
r
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