October, 1 977
Westing house E l ectric Co rporation
Low Voltage B reaker Division
Beaver, Pen nsylvania 1 5009
S u persedes Di mension Sheet 2 9 - 1 70
all previous issues.
Page 33: Types M C, M CG, M A R K 7 5@
Types H M C, H M CG 800 Ampere
S E LT R O N I C™ Circ u it B reakers
Ma iled to: E, D, C/1 901 , 1 928, 1 929/ PL
Page 34: Types NC, N C G , M A R K 7 5 ®
Types H N C , H N CG 1 200 Ampere
S E L T R O N I C™ B reakers
Type M C, M C G , M A R K 75® Type H M C, H M C G B reakers
�-13
Tap
Removable L1ne
End Term1nol Cover
_j_
I
8�
I
I
13�
Front Connected Terminals
( M ust be Ordered Separately)
Amp
Catalog No
Rat1ng
For Copper Cable
See
F
1
g
u
r
e
s
�.
2
and
Tab1e
/
Line End
Load End
W1re S1ze
N umber of Cables
B
600
T600MA 1
( 2 ) 2 /0-500MCM
2 Term1nal Un1t
4 Terminal Un1t
Drilling Plans
For Mounting Bolts
( Front Connected Term1nals)
Line End
3
, le
�
D1amete
1"
,
14) Hales
I I
s�
' I
Load End
't_of Breaker
{ 3
I
3 /0-300MC M
F or AL/CU Cable
600
TA700MA1
800
TA800MA2
For Rear Connected Studs
13
5�
16
D,ameter Hale for
2�
..j
250Amps to 400Amps
i
l1�D1ameter Hole for
450Ampsto 600Amps
l1�01ameter Hole for
7
I
I
700Amps to 800Amps
I
6 Holes for 3 Pole Breaker
I
4 Holes far 2 Pole Breaker
't_ of Handle
I
Om1t 2 Center Holes
I
for 2 Pole Breaker
�-$
Load End
't_of Breaker
{ 2 ) # 1 500MCM
(3) 3/0-400MCM
For Plug-In Adapter Kit
Reproduced from Drawing 2605021
D i mension Sheet
29-1 70
Page 33
AB DE
-
ION
@
Circuit Breakers
Rear Connected Studs
2 Required Per Pole ( Not Supplied With Breaker )
Stud
Stud Style
Thread
Dimension
Ampere
N u mber
S1ze
A
Rating
2 50-400
3 1 4C960G04
'Y.- 1 6
5"1"),
2 50-400
3 1 4C960G05
% 1 6
8 1 7'32
250-400
3 1 4C960G06
%- 1 6
1
Q29;J2
450-600
3 1 4C960G07
1 - 1 2
52%2
450-600
3 1 4C960G08
1 · 1 2
8
1 132
450-600
3 1 4C960G09
1 - 1 2
1
02%
,
700-800
3 1 4C960G 1 0
1
Ys- 1 2
52%2
700-800
3 1 4C960G 1 1
1 Ys-1 2
8 1 3!]2
700-800
3 1 4C960G 1 2 1 Ys-1 2
1
0
2
%,
Plug-In Adapter Kit
1
Kit Per B reaker ( Not S upplied With Breaker)
Poles
Ampere
Kit
S
t
y
l
e
Thread
Ratmg
N umber
S1ze
2
1 2 5-600
3 1 3C644G27
1 Ys
1 2
3
1 2 5-600
3 1 3C644G28
1 Ys
1 2
2
700-800
1 76C544G01
1 Ys
1 2
3
700-800
1 76C544G02
1 Ys 1 2
Figure
1
Figure
2
Do Not Use More Than 25Ft. Lbs.
TOfqueto T1qhten Nuts
Front Cover Cutout
Load End
't_of Breaker
F1g
1
2
2
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