GE IAC User Manual

GEK
-
86054
The
relay
components
are
mounted
on
a
cradle
assembly
that
can
easily
be
removed
from
the
relay
case
.
The
cradle
is
locked
in
the
case
by
latches
at
the
top
and
bottom
.
Electrical
connections
between
case
and
cradle
blocks
are
completed
through
removable
connection
plugs
.
Separate
testing
plugs
can
be
inserted
in
place
of
the
connection
plugs
to
test
the
relay
in
its
case
.
The
cover
is
attached
to
the
case
from
the
front
,
and
includes
an
interlock
arm
that
prevents
the
cover
from
being
replaced
until
the
connection
plug
has
been
inserted
.
The
induction
unit
,
consisting
of
a
U
-
magnet
,
drag
magnet
and
a
disk
assembly
,
is
mounted
on
a
metal
frame
.
The
pickup
of
the
induction
unit
is
set
by
a
tap
block
located
near
the
top
of
the
relay
.
The
time
delay
is
adjusted
by
turning
the
molded
time
dial
,
located
just
below
the
tap
block
.
The
standard
instantaneous
unit
is
mounted
just
above
the
drag
magnet
on
the
right
hand
side
.
The
adjustable
core
can
be
raised
or
lowered
to
change
the
pickup
of
the
unit
.
The
unit
just
above
the
drag
magnet
on
the
left
is
a
target
seal
-
in
unit
for
the
induction
unit
.
This
seal
in
unit
does
not
have
an
adjustable
core
,
but
tap
screws
located
on
the
right
side
of
the
unit
can
be
used
to
change
pickup
.
Relay
construction
is
illustrated
in
Figures
1
A
and
IB
.
RECEIVING
,
HANDLING
AND
STORAGE
This
relay
,
when
not
included
as
part
of
a
control
panel
,
will
be
shipped
in
a
carton
designed
to
protect
it
against
damage
.
Upon
receipt
,
immediately
examine
the
relay
for
any
damage
sustained
in
transit
,
evident
,
file
a
damage
claim
at
once
with
the
transportation
company
,
and
promptly
notify
the
nearest
General
Electric
Sales
Office
.
If
the
equipment
is
not
to
be
installed
immediately
,
it
should
be
stored
indoors
in
a
location
that
is
dry
and
protected
from
dust
,
metallic
chips
and
severe
atmospheric
contaminants
.
If
damage
from
rough
handling
is
ACCEPTANCE
TESTS
Immediately
upon
receipt
of
the
relay
an
INSPECTION
AND
ACCEPTANCE
TEST
should
be
made
to
make
sure
that
no
damage
has
been
sustained
in
shipment
and
that
the
relay
calibrations
have
not
been
disturbed
,
that
readjustment
is
necessary
,
refer
to
the
section
on
SERVICING
.
These
tests
may
be
performed
as
part
of
the
installation
or
as
acceptance
tests
,
at
the
discretion
of
the
user
.
If
the
examination
or
test
indicates
Since
most
operating
companies
use
different
procedures
for
acceptance
and
for
installation
tests
,
the
following
section
includes
all
applicable
tests
that
may
be
performed
on
these
relays
.
VISUAL
INSPECTION
Check
the
nameplate
stamping
to
make
sure
that
the
model
number
and
rating
of
the
relay
agree
with
the
requisition
.
9
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GE IAC Specifications

General

Brand	GE
Model	IAC
Category	Relays
Language	English