ABB 5HK Series User Manual

IB
6.2
.
1.7
D
Page
3
AII
It
MIPIP
ASEA
BROWN
BOVERI
Section
3
.
CIRCUIT
BREAKER
INSTALLATION
3.1
GENERAL
Priorto
installation
of
thecircuit breaker into
a
switchboard
,
certain
preliminary
inspections
are
made
to
ensure
proper
operation
.
Section
1
.
INTRODUCTION
These
instructions
for
installation
,
operation
and
mainte
-
nance
of
HK
circuit
breakers should
be read
carefully
and
used
as a
guide
during
installation
and
initial
operation
.
The
specific
ratings
of
each model circuit breaker
are
listed
on
the individual
nameplates
.
File these instructions
in
a
readily
accessible
place
to
-
gether
with
drawing
and
descriptive
data
of
the
switchgear
.
These instructions
are
guides
to
proper
maintenance
of
the
equipment
to
prolong
its
life
and
usefulness
.
CAUTION CAUTION
CAUTION
CAUTION
PRIOR
TO
ANY
DISASSEMBLY
OR
INSPECTION
OF
THE
CIRCUIT
BREAKER
THE
CLOSING
SPRINGS
SHOULD
BE
DISCHARGED
AND
THE BREAKER
SHOULD
BE
OPEN
.
IF IT
IS NECESSARY
TO
RAISE
OR
MOVE
THE BREAKER
ATTACH
THE
LIFTING
YOKE
AT
POINTS
4
(
FIGURE
1
)
,
OR
A FIFTH
WHEEL AT
POINT
7
(
FIGURE
2
)
TO TRANSPORT
THE
BREAKER
AS
RE
-
QUIRED
.
Section
2
.
RECEIVING
AND
STORAGE
Immediately
upon
receipt
of
the circuit breakers
,
examine
the
cartons to
determine
if
any
damage
or
loss
was sus
-
tained
during
transit
.
If
injury
or
rough handling
is evident
,
file
a
damage
claim
at
once
with
the
carrier
and
promptly
notify
the
nearest
district
office
.
Asea Brown Boveri
,
Inc
.
is
not
responsible
for
damage
of
goods
after
delivery
to
the
carrier
.
However
,
the
company
will
lend assistance
if
noti
-
fied of
claims
.
Unpack
the circuit breakers
as
soon as
possible
after
receipt
.
If
unpacking
is
delayed
,
difficulty
may
be
experi
-
enced
in
making
a
claim
for
damages
not
evident
upon
receipt
.
Use
care
in
unpacking
in
order
to
avoid
damaging
any
of
the
circuit breaker
parts
.
Check
the
contents
of
each
carton
against
the
packing
list
before
discarding
any
pack
-
ing
material
.
If
any
shortage
of
material is discovered
,
promptly
notify
the
nearest
district
office
.
Information
speci
-
fying
the
purchase
order number
,
sales order
number
,
carton
number and
part
numbers
of
the
damaged
or
miss
-
ing
part
should
accompany
the claim
.
Circuit
breakers
should be
installed
in
their
permanent
location
as soon as
possible
.
If
the breakers
are
not to
be
placed
in
service
for
some
time
,
it
is
requ
ired
that
adequate
means
of
protection
be
provided
.
This
may
be done
by
keeping
the
breaker
in
its
original
shipping
carton
and
storing
in
a warm
(
approximately
15
°
C
)
dry
(
50
%
max
humidity
)
and uncontaminated
atmosphere
.
If
the circuit
breaker
cannot
be stored
properly
due
to
abnormal
circum
-
stances
,
it
must
be
thoroughly
checked
before
going
into
service
to
ensure
that
it
is without
damage
and
it
has
not
become
generally
contaminated
.
3.2
INSTALLATION INSPECTION
Inspect
condition
of
circuit breaker
arc
chutes
,
contact
and
electrical
connections
priorto
installing
the circuit
breaker
into the
switchboard
.
Even
though
each circuit
breaker is
completely adjusted
and tested
at
the
factory
,
shipping
and
handling
conditions could
cause
defects
.
3.3
REMOVING
INTERPHASE
BARRIER
For
5
HK
75
,
150
and
250
,
remove
two
lower
front
sheet
screws
,
lift
straight
up
above
arc
chutes
by
grasping
front
handle and
top
sheet
at
rear
,
then draw
barrierforward
and
away
from
circuit breaker
.
For
5
HK
350
,
remove
two
lower
front
sheet
screws
,
and
lift
front
sheet
up
and
away
from
the breaker
.
Remove
arc
chute tie
bar
at
upper
front of
arc
chutes
.
Pivot
rear
brace
at
rear
of
each barrier
upward
and
slide the
separate
barriers
forward
and
away
from
the circuit
breaker
.
CAUTION CAUTION
CAUTION CAUTION
THE
5
HK
350
BARRIERS
WILL
NOT
STAND
UNSUP
-
PORTED
AND
MUST
BE
BRACED
.
These instructions do
not
purport
to
cover
all details
or
variations
in
equipment
nor
to
provide
for
every
possible
contingency
to
be
met
in
connection with
installation
,
operation
or
maintenance
.
Should
further information
be desired
or
should
particular problems
arise
which
are
not
covered
sufficiently
for
purchaser
'
s
purposes
the
matter
should be
referred
to
the
nearest
District
Office
.
Courtesy of NationalSwitchgear.com

ABB 5HK Series Specifications

General

Brand	ABB
Model	5HK Series
Category	Circuit breakers
Language	English