Westinghouse AB DE-ION Series Manual page 85

Dimension S h eet
29- 1 70M
Page 2
Westi n g house Series C® M o lded Case Circuit Breakers, M-Fra m e, 400-800 Am peres
Type MD Two- and Three-Pole Breakers, Drilling Plans
For Plug-In Block
I --
+-- L_
5 500
.375(9.52)
Diameter
2 75 0 (6) Holes
... (69 8 2 ).j.(69 82)
'
(41 26)
I
I 1
I
r-·--
I I
( 1 1 4.26)
1.625
(41.26)
j
�
1.375
�
I
1 .063 R
(34.91)
(26.98) R
2.750
(69.82)
Terminal Arrangements
Ampere
Cable Catalog
N umber Rating
For use With Copper Cable Only
Single T350MA 125-350
Double T600MA1 400-600
Triple T800MA1 700-800
For Use With AI/Cu Cable
TA700MA1 1 25-600
Double
Triple TA800MA2 700-800
Reproduced from drawing 4570265
&
Cutler-Hammer
Westinghouse
Cutler-H a m m e r Products
Five Parkway Center
Pitts b u r g h , Pennsylva nia, U . S.A. 1 5220
I'!Y•N
'
'
For Rear Connected Studs
(For Non-Conductive Panels)
I
I
7.00
{177.73)
eli
�
I
_ _
�
11 500
,
4.500
( 1 1 4.26)
I
.563 ( 1 4.28) Diameter Hole
for 1 2 5 to225Amps
.813 (20.63) Diameter Hole
for 250to400Amps
1 .063(26.98) Diameter Hole
for 450to600Amps
Rear Connected Studs
Stud Ampere
Wire
Size Rating
1 25-225
250-400
#1-600 MCM
250-400
2/0-500 MCM
250-400
3/0-300 MCM
450·600
450-600
450-600
700-800
#1-500 MCM
3/0-400 MCM 700-800
700-800
·
.375(9.52) 24 Thread
Dimensions i n parentheses in millimeters
1
...
For Mounting Bolts
4-
2.750
1 . 375 (69.82)
-
1
I
I -
(34.91) ,
1.375
(34.91)
I
-i
I
I
. I .
1
I
'
' I I I
I
8.625
·
(218 99)
I ! I I ,
. a; l '
i �. I
1 . 1 88 (30.1 5) Diameter Hole
for 700 to800Amps
6 Holes for 3 Pole Breaker
4 Holes for 2 Pole Breaker
Omit 2 Center Holes
for 2 Pole Breaker
Dimension
Stud Style Thread
N u m ber Size A
2
3 1/ 3 2
31 4C960G01 '/,-13
5 29 / 3 2
31 4C960G04 '/,-1 6
81 3 / 3 2
'/,-1 6
31 4C960G05
1 0 29 / 3 2
31 4C960G06 '/,-1 6
5 29 / 3 2
31 4C960G07 1 - 1 2
81 3 / 3 2
31 4C960G08 1 - 1 2
1 0 29 / 3 2
31 4C960G09 1 - 1 2
5 2 9 / 3 2
1 '/,-1 2
31 4C960G 1 0
81 3 / 3 2
3 1 4C960G 1 1 1 '/,- 1 2
102 9 / 3 2
3 1 4C960G 1 2 1 '/,- 1 2
(�nk-�
Front Cover Cutout
.375 (9.52)
r
(4) Holes
1.625
Cut out for
(41
Saf-T-Vue Cover
_j__
(If Required)
3.938
(99.97)
Diameter Hole
Recommend
.750 ( 1 9.04)
tel
Show Ampere
Rating
Location of .313(7.93) Diameter
Megger Holes ( If Required)
Plug-In Adapter Kit
Poles Ampere Kit Style
Rating N u m ber
1 2 5-600 31 3C644G27
2
3 1 2 5-600 31 3C644G28
2 700-800 176C544G01
700-800 176C544G02
3
Figure 1
.375(9.52) · 24 Thread
(Plug-In Type)
Do Not Use More
Than 25 Ft. Lbs.
Torque To Tighten
Nuts
Figure 2
(Front Removable Bolted Type)
7.750
( 1 96.77)
l
3.500 _
(88.87)
-
Thread Fig.
Size
1 '/,-12
1 '/,- 1 2
1 '/,-1 2
1 '/,-12
Printed in U.S.A.
January 1995