8
October, 1 977
Su persedes D i mension Sheet 2 9 - 1 70
all previous issues.
M ai led to: E, D, C/1 901 , 1 928, 1 929/PL
Westing house E l ectric Co rporation
Low Voltage B reaker D ivision
Beaver, Pennsylvania 1 5009
M otor O perator for NB T R I - PAC® Circuit
Breakers and Draw-out Frame for LA, H LA,
LC, H LC 600 Ampere Circuit Breakers
Page 59: M otor O perator for NB T R I - PAC
Breaker
Page 60: D rawout Frame for LA, H LA,
LC, H LC 600 Ampere B reakers
M otor Operator for Type N B TRI- PAC B reaker
Locot1on of W1re Leads
Line En d
13
16
_j___
-
Adapter
I
When Used )
7
9s I
8�
8
16
:
I
I
ll
- ·
23�
,,-;.
l l :
;�- -(3'
-��
il
:
I I
8�
gl
8
4
22
20
�
:}!
2 D1amet er Hole
:
i
o1amete r Counter bore
Load En d
Opt1onal Pushbutton Assembly Factory Installed When Ordered
Switchboard Cutout
For M otor Operator
Line
End
Handle
Load
End
22�
�
of Mechan1sm
Reproduced From Drawing 5677076
Transformer 480 / 1 20 Volts
( Su pplied for Separate M ounting by
C ustomer for 480 Volt Operators)
D imension Sheet
29-1 70
Page 59
AB D
E
-
I
ON
®
Circuit Breakers
Mount1ng
Studs
1�- 18
Thread
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