November,
1 981
Westing house Electric Corporation
Low Voltage B reaker Division
Beaver, Pennsylvania 1 5009
Supersedes Dimension Sheet
29-170,
pages
33-34,
dated
Oc
t
o
b
e
r
,
1 977
Ma
il
ed to:
E,
D,
C/1 901 , 1 928, 1 929/PL
Page 33: Types M C , M C G , M A R K 7 5@
Types H M C, H M C G 800 Ampere
S E LT R O N I C™ Circuit B reakers
Page 34: Types N C , N C G , M A R K 75®
Types H N C, H N C G 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 CG B reakers
See F•gures 1,2
and Table
1
Line End
____i
1 1 1.�
tt_of
Handle-!
2 Terminal
U n 1 t
4 Terminal
U n rt
Drilling Plans
Nameplate
( Used with G round Fault Trip)
Front Connected Terminals
Current Carry1nq
ore Om1tted
B
From Cenfer Pole
for 2 Pole Breaker
( M ust be Ordered Separately)
Amp
Catalog No
Rating
For Copper Cable
600
T600MA1
800
T800MA1
F or AL/CU Cable
600
TA700MA 1
800
TA800MA2
Load End
W1re S•ze
Number of Cables
( 2 ) 2/0 500MCM
(3) 3/0-300MCM
1 2 ) # 1 500MCM
(3) 3/0 400MCM
For Mounting Bolts
For Rear Connected Studs
For Plug-In Adapter Kit
(Front Connected Terminals)
Line End
3
. Is
�
D1amete
-;t
,
(4) Holes
s�
'"'""""
Load End
<t_of Break"'
I
13
f
5;;
IGI),ameter Hale ar
450Ampsto 600Amps
11i
D1ameter Hole for
I
700Amps to 800Amps
I
6 Holes for
3
Pole Breaker
t
4 Holes for 2 Pole- Breaker
of Handle
I
Om1t 2 Center Holes
for 2 Pole Breaker
Load End
<t_of Breaker
Reproduced from Drawing 2605021
D i mension Sheet
29-1 70
Page
33
AB
DE
-
I
ON
®
Circ u it B reakers
Rear Connected Studs
2
Required Per Pole ( Not Supplied With Breaker)
Stud
Stud Style
Thread
Otmension
Ampere
Number
Size
A
Rating
2 50-400
3 1 4C960G04
Y.- 1 6
5'o/,
2 50-400
3 1 4C960G05
Y.-1 6
8'')1.,
2 50-400
3 1 4C960G06
o/.- 1 6
1 02o/,,
4 50-600
3 1 4C960G07
1 - 1 2
52%2
450-600
3 1 4C960G08
1 - 1 2
8
1 %
2
450-600
3 1 4C960G09
1 - 1 2
1 02o/,,
700-800
3 1 4C960G 1 0 1 Ya- 1 2
5'%,
700 800
3 1 4C960G 1 1
1
Ya- 1 2
8 1 3/3?
700-800
3 1 4C960G 1 2 1 Ya 1 2
1 02o/,,
Plug-In Adapter Kit
1
Kit Per Breaker ( N ot Supplied W1th Breaker)
Poles
Ampere
Ra
t
1
n
g
2
1 25-600
3
1 2 5-600
2
700-800
3
700-800
Figure
1
Figure
2
K1t
Style
Thread
N u m ber
Stze
3 1 3C644G27
1 Ya
3 1 3C644G28
1 Ya
1 76C 544G01
1 Ya
1 76C544G02
1
Ya -
Do Not Use More Than 25Ft. Lbs.
TOfque toT 1ghten Nuts
1 2
1 2
1
2
1 2
Front Cover Cutout
Fig
1
2
2
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