Westinghouse AB DE-ION Series Manual page 203

October, 1 97 7
S u persedes D i me n si on S h eet 2 9 - 1 70
a l l previous issues.
M a i led to: E, D , C / 1 901 , 1 928, 1 929/ P L
Type EB, EH B , FB and M A R K 75 H F B 1 , 2, 3, 4 Pole Thermal M ag n etic B rea kers ( See N ote Below)
2 and 3 Pole FB and H F B M a gnetic O n ly Breakers
C u r re n t c a r ry i n g parts a re o m itted from center pole for 2-pole b reakers .
1 i D•ameter Hole ¥ 2 D•ometer Counter bore k Deep from Top,
f2 D•ameter Counterbore � 2 Deep from Bottom
Note: Mark 75 H F B Thermal Magnetic Breakers
rwo-pole breakers are furnished in t h ree-pole frame
with cu rrent carrying parts omitted from center pole
Reproduced F rom D rawing 4967020, 4967030, 4985060 and 4979066
Westing house E l ect ric Corporation
L o w Voltage B reaker D ivision
B eaver, Pen nsylva ni a 1 5009
Types E B , E H B , FB, M A R K 75® H F B
Page 1 9 : O u t l i n e D i mensions
Page 20: D r i l l i n g P l a ns
Line End
3 1
� Inch W1de Conductor
w•th /2 D•ameter Hole
Support Blocks for Line a n d Load Ends are not Supplied with Breaker and Must be
Ordered Separately. Refer to Drawing 506CI44 When Ordering S u pport Blocks
All P arts Necessary to Convert a Standard Breaker are Included.
Support
Plug-In and Bolt-On Detail
Bloc k
D i me ns io n S heet
29-1 70
Page 1 9
AB D E-ION®
Circ u it B rea kers
� }2
5
2 : �
Inch W1de Conductor with D1ometer Hole
64
with
� Inch W1de
Conductor
} 2 D1o Hole
�X�
90" t5
to IOOAmp 5 1 �
Copper Bars for
l x �Copper Bors for 12 5 ond 150Amp
Bars May be Rotated
j
B I
7 2
Breaker
Plug-in
Bolt stab to breaker
conductor, then plug
into support block.
,
� '
8
Bolt-on
Bolt stab t o support
block, then bolt sup­
port block assembly to
breaker conductors.