October, 1 977
Westing house Electric Co rporation
Low Voltage B reaker Division
Beaver, Pennsylvania 1 5009
Type N B T R I - PAC® Circuit Breakers
Su persedes D i mension Sheet 29- 1 70
a l l previous issues.
Page 49: O utline D i mensions, D r i l l i n g Plans
Page 50: M o u nting B lock Di mensions
M a i led to: E, D, C/1 901 , 1 928, 1 929/ P L
Type N B T R I - PAC® B reaker
�·13
Tap
Line End
FronT
Connected
Ter m 1 n o ls
(See Ta b l e )
Drilling Plans
For Mounting Bolts
( F ront Connected Term1nals)
Line End
�
Handle·
Cood
Reproduced From Drawing
37205 1 5
F ront Connected Term inals
Amp
Ratmg
Catalog No
W1re S1ze
For Copper Cable (Supplied a s Standard)
300 to 350 T350
N B
S1ngle Cable 1 to 600 MCM
400 to 700 T700
N B
1
D o u ble
Cable 2 /0 to 500 MCM
800
T 1 000
N B
1 Tnple Cable 3 /0 to 500 MCM
For AL/CU Cable ( M ust be Specified)
300 to 700 TA700 NB 1 Two # 1 ·500 M C M
800
TA 1 000 N B 1 Three 1' 3 / 0·400 MCM
F o r R e a r Con nected Studs
I Insulated Panel
I
Load En
Amp Rat1ng
500-800
1 ""
6
Holes to,
3
Pole B1eo<ec
4 Holes for 2 Pole Break-er
i
Breaker
D i mension S heet
29-1 70
Page 49
AB DE
-
ION
®
Circuit Brea kers
Bolted Rear Connected Studs
For
300
to
450
Amps
I
f
1
Inch
M1n1mum
Insulated
Panel
Style No
A
623B222G01
5 � ,
623B222G02
8
623B222G03 1 0 1 ,
For
500
to
800
Amps Only
L[_
f -
1
Inch
Mm1mum
Insulated
Panel
Outs1de Poles Stud
Style Number
373B375G04
Center
Pole
Stud
Number 373B375G03
( Om1t for
2
Pole Breaker}
F ront C over C utout
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