GE AKR-50 - Trip Device Functions

Drawout
breakers
of
the
D
type
are
interchangeable
within
AKD
-
8
switchgear
only
.
Drawout
breakers
of
different
frame
size
,
short
circuit
ratings
,
horizontal
or
vertical
lower
studs
are
intentionally
made
non
-
interchangeable
.
To
prevent
inserting
the
wrong
type
breaker
into
a
drawout
compartment
,
unique
“
rejection
hardware
”
is
affixed
to
each
breaker
and
its
com
-
partment
Fig
11
shows
a
typical
breaker
-
mounted
rejection
bracket
which
aligns
with
a
rejection
pin
in
the
drawout
rail
.
When
the
wrong
type
breaker
is
inserted
into
compartment
,
the
bracket
and
pin
do
not
mate
,
prevented
the
breaker
from
seating
itself
into
the
rail
slot
.
Breakers
of
the
same
frame
size
having
different
short
circuit
rating
may
be
interchanged
in
one
direction
only
.
Fig
17
will
show
the
interchangeable
.
Horizontal
mounted
Lower
Studs
Right
Rail
Left
Rail
A
A
A
A
A
A
/
A
A
/
Bracket
0
/
on
/
Breaker
V
A
A
A
V
V
\
Additional
Pin
in
Rail
Fig
.
12
Vertical
mounted
lower
stud
Right
Rail
Left
Rail
Vi
V
V
V
V
/
Fig
.
11
AKR
-
6
D
-
30
/
V
Additional
in
Rail
rtfpin
/
Q
/
/
V
Vi
V
V
V
Bracket
on
Breaker
Fig
.
13
15
Courtesy of NationalSwitchgear.com