Westinghouse AB DE-ION Series Manual page 41

February 1 99 1
Su persedes D i m ension Sheet 29- 1 70,
pages 35-36, dated November 1 981
Mailed to: E, D, C/29-1 00A, 3 1 -400A,
3 1 -500A
MARK 75®
Type NB, Type HNB Breakers
Pole
!01 2
Current Corryonq Parts
Omilted from Center
Pole BreaKer .3� ��� ; �p
2�
D rilling Plans
For Mounting Bolts
(Front Connected Ter minals)
I 8�
�Doometer or
! I
4
j
JJ, 4 l
I�
I
Line End
'- " ' " d ' • + f
1 4
'-8"""
' .
Load End
Reproduced From Drawing 371 0578
Westinghouse El ectric Corporation
Distribution and Control B u siness U n it
E lectrical Com ponents Division
Pittsburgh, Pennsylvania, U .S.A. 1 5220
Type N B a n d M A R K
3 5 :
Page Type N B , M A R K
Page 36: M o u nt i n g B l ock for Type N B ,
7 5
M A R K H N B, S E LT R O N I C™ Types N C,
M A R K 75 H N C
Line End
Load End
Front Conn ected Terminals&
Ampere Catalog No. Wire Size
Rating
AUCU Terminals (Supplied as Standard)
700-1 000 TA1000 NB1 Triple Cable 3/Q---4 0 0 MCM
1200 TA1200 NB1 Four Cable 4/0-500 MCM
Copper or AUCU Terminals (Must Be Specified)
700-1000 T1000 NB1 Triple Cable 3/0-- 5 00 MCM
Four Cable 3/Q---40 0 MCM
1200 T1200 NB1
TA1201 NB1 Triple Cable--500-750 MCM
1200
For Rear Connected Studs
( I nsulated Panel)
Line End
_ _
Breaker
<t_
A
623B222G01
Style No
5 Y ,
623B222G02 8
623B222G03 1
O Y,
7 5 ® Type H N B
AB DE-ION®
7 5 ®
Type H N B C i rc u it B reake rs
B olted Rear C onnected S t uds
For
Om1t from Center Pole
for 2 Pole Breaker
623B222G01 Style No
623B222G02 8
6238222G03 1
t
For
l i nch
Mm1mum
Insulated
Panel
Center
Number
( Qm!l for 2 Pole Breaker)
F ront C over C utout
8
Changed since previous issue.
D i m ension Sheet
700 800
Amps
to
'a
12 T h reads
A
5 Y,
900 1200
O Y,
-
to Amps Only
3738375G03
Pole Stud Styl�
29- 1 70
Page 35