Dimension S heet
29-1 70J
Page 2
Westinghouse Series C Molded Case Circuit Breakers, J-Frame, 70-250 Amperes
Types JD, HJD, JDC Two- and Three-Pole Breakers
Continued
Drilling Plans
1.375
688
7.
118
rT
i
4.078
1103.581
250
l
4.151 -
I
I
<l_
I
I
Breaker Mounting
11 7.461
\_
_250-20
IM6X 1 1
Tap
4 Holes
<i Handle
4.891
1124.231
1.375
134.931
- .625 ( 1 5.88)
Dia
6 Holes
- -(lHandle
Omit 2
Center Holes
for 2-Pole
Breakers
Rear Connecting Studs
Breaker Shown in OFF Position
Line End
Diameter
8 Holes .500
( 1 2.70)
Deep
to
Accept #8
Thread Cutting
Screws
load End
.375
(9.53)
.37519.531 -
.750(19.05)
3.625
146.041 2.250
'
--157 151
-----,
1
1
1.125(28.58h
Reproduced from drawings
1491 065
and
1491 067
Dimensions in parentheses in millimeters
Cutler-Hammer
Westi nghouse
&
Cutler-Hammer Prod ucts
Five Parkway Center
Pittsburgh, Pennsylva n ia, U .S.A. 1 5220
Line End
Contact Position
Indicators
Red-ON
Green-OFF
White-TRIP
load End
Breaker Dimension
Status
On
5.24 1132.101
Tripped 4.79 1121.671
Off
4.02 1102.111
Reset
3.91 199.311
Orawout Support Blocks
Breaker Mounting Holes
Use .250-20 (M6X 1 ) X
2.875 (73.025) Pan Head
Screw With Sems.
Tightening Torque
65 lb-in (7.341 Nm.
.500
281
(1 2:70) (
J
.14)
Dla.
Dia.
5.12 1130.051 5.54 1140.721
4.71 1119.631 5.10 1129.541
4.06 1103 121 4.33 1109.821
3.96 1100.581 4.21 1106.931
. 1 88 R
14.78) R
.500 ( 1 2.70)
Diameter
3 Megger
Holes
If Required
Front Cover Cutout
1,._
l
�g;
�
l
.500
"''"'
- -
---_,-
___l
5.49 1139.451
5.10 1129.541
4.45 1113.031
4.36 1110.741
.312
(7.29)
Dia.
4.77 1121.561
4.87 1123.701
4.91 1124.711
4.90 1124.461
4.72 1119.891
4.85 1123.191
4.95 1125.731
4.95 1125.731
Hdl. Oper. Force
32 Lb. l142.3 Nml
22 Lb. 197.9 Nml
38 Lb. 1169.0 Nml
Printed in U.S.A.
January 1995
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