GE MicroVersaTripPlus AK-50 - Page 15

SECTION
5
FOUR
-
WIRE
GROUND
FAULT
OPTION
The
MicroVersaTrip
Plus
or
PM
Ground
Fault
op
-
tion
requires
an
additional
neutral
sensor
when
used
on
a
four
-
wire
system
with
the
neutral
grounded
at
the
transformer
.
The
phase
sensors
are
mounted
on
the
breaker
.
However
,
the
neutral
sen
-
sor
is
inserted
in
the
neutral
,
which
is
part
of
the
equipment
.
The
neutral
sensor
is
connected
to
the
breaker
through
the
4
th
-
wire
neutral
disconnect
.
Stationary
Breaker
Conversion
BLACK
M
WHITE
BREAKER
9
4
—
HARNESS
FOURTH
C
/
1
TERMINAL
BOARD
i
MOUNTING
HARDWARE
"
4
TYPES
AK
-
50
,
AKS
-
50
STATIONARY
BREAKERS
The
4
th
wire
disconnect
for
stationery
'
breakers
con
-
sists
of
terminal
board
mounted
to
the
lower
front
channel
as
shown
in
Fig
.
5
-
1
.
Step
1
.
If
the
terminal
board
already
exists
,
just
replace
the
control
harness
.
Maintain
the
following
color
code
:
White
-
Common
,
Black
-
Tap
.
Step
2
.
If
the
terminal
board
assembly
is
being
added
,
mount
as
shown
in
Fig
.
5
-
1
.
The
mounting
holes
may
have
to
be
added
to
the
front
channel
.
See
Fig
.
5
-
1
.
+
-
1.500
-
*
44
I
^
M
7.62
*
DRILL
(
2
)
0.219
DIAMETER
HOLES
I
Ol
TERMINAL
BOARD
ASSEMBLY
J
0
/
/
"
/
/
/
A
y
/
/
7
/
SECTION
M
-
M
Fig
.
5
-
1
.
4
th
Wire
Terminal
Board
Installed
Types
AK
-
50
,
AKS
-
50
Stationary
15
Courtesy of NationalSwitchgear.com