)I
MARK 75 HLM 800
ampere
AB
De-ion circuit breakers
dimension
sheet
29-170
page 31
2 and 3-pole
visible
ampere rating
interchangeable
trip unit
load end
center line
inside
dio
of
terminal vary
in relation
to cable
s
iz
e
knockout
sect ion
rear connec:tecl studs
solderless terminals
for
2
pole breaker current
carrying ports
ore
omitted from center pole
drilling plans (front view}
for front mounting bolts
for rear connecting studs
(4)
�
hol
es
h
o
l
e
s
<t
6
holes
-
line end
I
3
Jls
diu
125
to
225 A
I
' '
Ps
dia 250
to
400 A
t
load end
. I-�
dia400 to800A
2 and 3 pole
2 pole
3 pole
drilling plan for mounting panel
(front view}
line end
hondle
i
doo
6
holes
�
load ead'
for
mta screws
front cover cutout
cutout for
saf Tvue
cover
when
included
It_
handle
location for
�
dia.
megger test holes for
2
pole bkr
if required
reproduced from drawings 313-C-366, 313-C-367
February, 1960
line end
r ecommend
11
dia hole to show
amp rat1ng
load end
supersedes dimension sheet 29-170, pages 31 and 32, dated October, 1959
mailed to: E/243/DS; D63-2C; C25-2Y
9
2i6
note
a:
the followlnv solderlen
terminals are supplied:
sinvle cable for
125
to
350A
rotlnvs
double cable for
400
to
800A
rotlnvs
triple cable for
700
Ia
SOOA
ratlnvs
support blocks
do not use more
than 25 It lbs
i
-
18 mounting screws and washers
furnished with support block
support blocks are not supplied with breaker but must be
ordered separately; refer to dwg 313C644 when ordering
support block ( al l ports necessary to convert a standard
breaker are included ).
rear connecting studs
Z·pole breakers require
4
stud•
3-pole breakera require
6
otud1
maximum
extension
stud
diameter
back of
ampere
inches
breaker
rating
and
inches
thread
A
1 25 to 225
y,. J 3
3 !4
250 to 400
'4- 1 6
5 y,
250 to 400
3,4 - 1 6
8
250 to 400
34- 1 6
lOy,
450 to 600
1 - 1 2
5 y,
450 to 600
1 - 1 2
8
450 to 600
1 - 1 2
lOy,
700 to 800
1 Ya - 1 2
5 y,
700 to 800
1 y, . 1 2
8
700 to 800
I Ya - 1 2
JO y,
soldedess terminals
ampere
style
wire size
rating
number
MCM
1 25 to 350
1 1 54 307
4 0 to 600
400 to 500
1 532 172
2 2 0 to 2-300
550 to 600
1 532 1 73
2-300 to 2-500
700 to 800
3 1 3C234GOI
2-600 to 2-700
700 to 800
451 D243GOI
3-300 to 3-400
style
number
1 24 1 338
1 24 1 339
1 24 1 340
1 24 1 34 1
1 24 1 342
1 24 1 343
1 2 4 1 344
05B738 3 G 19·
05B738 3 G 20
05B738 3 G 2 1
solderless
terminals,
type
single cable
double cable
double cable
double cable
triple cable
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