J a n uary 1 995
New I nformation
Mai led to: E, D, C/29-1 00A, 3 1 -400A,
31 -500A
Type KD Two- and Three-Pole Breakers
Front View
Cutler-Hammer
Westinghouse
&
Cutler-Hammer Products
Five Parkway Center
Pittsburg h , Pennsylva nia, U.S.A. 1 5220
Type KD Two- and Th ree-Pole
r---· --
5.490(139.43)
---
�
3.438
___
�
Side View
. 1 1 0 (2.79) Dia.
X
.297 (7.54)
Deep, 4 Holes Accept #6
.625 ( 1 5.88)
6 Holes
Contact
Position
Indicators
Red/1 - On
Green/0 - Off
White - Trip
1.250
131.751
. 1 88 R
(4.771 R
187.321
I
1M3) Thread Cutting Screws
I
I
I
i
I
I
I
11��0�0�
�
•
1�05
�
�61
I
l2�!g8�875
1
1225.431
1 1
,,r·
,/�,I 1 I
Line End
Trough for
Attachment
Leads
. 1 88 (4.77) Dia.
C'Bore
x
.031 (.79)
DP . 1 47 1 1 2.71 Dia.
Hole
x
.500 DP to
Accept #8 IM41
Thread Cutting
Screws 18 Places)
.125 (3. 1 8) Wide
x
.750 1 1 9.05) Slots for
Attachment Leads
Dimension S heet
29-1 70K
Page 1
Westi nghouse
Series C®
Molded Case
Circuit Breakers
K-Frame
Electronic -
70-400
Amperes
Thermal-Magnetic -
1 00-400
Amperes
4.313
-1109.551
""'"
-
3.813
196.851 --
0
0
0
_j
.500
-
!Jl¥
01
"""l
.209
15.311
.281 (7. 1 4) Dia. Mounting Holes
4 Holes for .250-20 (M6)
x
1 .50
(38) Mounting Screws .500
( 1 2.701 Dia. C'Bore from Top
2.875 (73.031 Deep Load End
2.625 (66.68) Deep Line End .438
( 1 1 . 13) Dia C'Bore .750 ( 1 0.05)
Deep from Bottom
--
-
--
--
E
--
2.375
---
---. F --
Breaker
Dimensions
Handle
Status A
Force·,
On
5.39 5.20 5.69 5.61 4.72 4.77 30
lbs
1136.91 1132.11 1144.51 1142.51 1119.91 1121.21 (13.61
kgs.)
Tripped
4.77 4.69 5.08 5.11 4.89 4.89
1121.21 1119.11 1129.01 1129.81 1124.21 1124.21
Off
4.16 4.21 4.46 4.64 4.95 4.91 25
lbs.
1105.71 1106.91 1113.31 1117.91 1125.71 1124.71 (11.34
kgs.)
Reset
4.07 4.14 4.57 4.56 4.95 4.90 35
lbs.
1103.41 1105.21 1116.11 1115.81 1125.71 1124.51 (15.87
kgs.)
L
Atl handle forces measured approximately
0.125 (3.17)
from top of handle.
Reproduced from drawings 1 492D63 and 1492D67
Dimensions in parentheses in millimeters
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. ElectricalPartManuals
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