J a n ua ry 1 995
New Information
M a i led to: E, D, C/29-1 00A, 3 1 -400A,
3 1 -500A
Cutler-Hammer
Westi nghouse
&
Cutler-Hammer Products
Five Parkway Center
Pittsburgh, Pen nsylvania, U.S.A. 1 5220
Type M D Two- and Three-Pole
Dimension Sheet
29-170M
Westinghouse
Series C®
Molded Case
Circuit Breakers
M-Frame
Page 1
400-800 Amperes
Type M D Two- and Three-Pole Breakers
Front View
I
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en
�
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ro
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Reproduced from drawing
4570265
Side View
Line End
.563
{14.28)
Dia.
Saf·T-Vue Cover
__./"---------- (When Included) -....._
--.......
--+-....
�
�
�
.344 (8.73) Diameter
Mounting Holes
.703 ( 1 7.851 Counterbore
141 Holes
1 5" Reset
Maximum
'
�
'
��
I
�
�
19.56 0n
1
�
Handle
.
438
(
1 1
.
1 1
)
Thick
1" Taper Both Sides
Load End
:
'
7.000
1 1
(177.73)
-----..1
r-4--.125(3.17)
Minimum
l
I ·
� T•- -
:)_734(18.65)
1.031 (26.18)
- - - - -
--+
11.500
1291.99)
4.875(123.78)------..
f..------6.063(153.93)---------
2.375
1.031
(26.18)
Current Carrying Parts are
Omitted From Center Pole
for 2 Pole Breaker
Handle Forces (From End of Handle)
On
50
lbs. (22.68 kgs.)
Off
2 4
lbs.
( 1 0.89
kgs.)
Reset
60
lbs.
(27.22
kgs.)
Dimensions in parentheses in millimeters
I'!Y•N
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