Siemens GMI Series

Introduction
and
Safety
Page
1
Warning
—
Indicates
death
,
severe
personal
injury
or
major
property
damage
can
result
if
proper
precautions
are
not
taken
Caution
—
Indicates
some
personal
injury
or
property
damage
may
result
if
proper
precautions
are
not
taken
.
Introduction
The
GW
I
family
of
vacuum
circuit
breakers
is
designed
to
meet
all
the
applicable
ANSI
,
NEMA
and
IEEE
standards
.
Successful
application
and
operation
of
this
equipment
depends
as
much
upon
proper
installation
and
main
-
tenance
by
the
user
as
it
does
upon
the
careful
design
and
fabrication
by
Siemens
.
The
purpose
of
this
Instruction
Manual
is
to
assist
the
user
in
developing
safe
and
efficient
procedures
for
the
installa
-
tion
,
maintenance
and
use
of
the
equipment
.
Contact
the
nearest
Siemens
representative
if
any
additional
information
is
desired
.
^
DANGER
Power
circuit
breakers
operate
at
high
voltages
and
have
spring
-
loaded
mechanical
parts
which
operate
at
high
speed
.
When
operated
improper
-
ly
,
this
equipment
will
cause
death
,
personal
injury
and
property
damage
.
Safety
This
equipment
contains
hazardous
voltages
,
and
remotely
controlled
mechanical
parts
which
move
at
high
speed
.
Severe
personal
injury
or
property
damage
can
result
if
safety
instructions
are
not
followed
.
Only
qualified
personnel
should
work
on
or
near
this
equip
-
ment
after
becoming
familiar
with
all
warnings
,
safety
notices
and
maintenance
procedures
described
in
the
manuals
covering
this
equipment
.
To
avoid
electrical
shock
,
burns
and
en
-
tanglement
in
moving
parts
tms
equip
-
ment
must
be
installed
,
operated
and
maintained
only
by
qualified
persons
thoroughly
familiar
with
the
equipment
,
instruction
manuals
and
drawings
.
»
Dangerous
Procedures
Qualified
Person
In
addition
to
other
procedures
described
in
this
manual
as
dangerous
,
user
personnel
must
adhere
to
the
following
:
1
.
Always
work
on
a
de
-
energized
breaker
.
Always
de
-
energize
a
breaker
,
and
remove
it
from
the
metal
-
clad
switchgear
before
performing
any
tests
,
maintenance
or
repair
.
2
.
Always
perform
maintenance
on
the
breaker
after
the
spring
-
charged
mechanisms
are
discharged
(
except
for
tests
of
the
charging
mechanisms
)
.
3
.
Always
let
an
interlock
device
or
safety
mechanism
per
-
form
its
function
without
forcing
or
defeating
the
device
.
A
‘
‘
Qualified
Person
struction
and
operation
of
this
equipment
.
In
addition
,
this
person
has
the
following
qualifications
:
•
Training
and
authorization
to
energize
,
de
-
ener
-
gize
,
clear
,
ground
and
tag
circuits
and
equipment
in
accordance
with
established
safety
practices
.
•
Training
in
the
proper
care
and
use
of
protective
equipment
such
as
rubber
gloves
,
hard
hat
,
safety
glasses
,
face
shields
,
flash
clothing
,
etc
.
,
in
accord
-
ance
with
established
safety
procedures
.
is
familiar
with
the
installation
,
con
-
Signal
Words
The
signal
words
"
Danger
"
used
in
this
manual
indicate
the
degree
of
hazard
that
may
be
encountered
by
the
user
.
These
words
are
defined
as
:
Danger
—
Indicates
death
,
severe
personal
injury
or
major
property
damage
will
result
if
proper
precautions
are
not
taken
.
Warning
"
and
"
Caution
"
Field
Service
Operation
Siemens
can
provide
competent
,
well
-
trained
Field
Service
Representatives
to
provide
technical
guidance
and
advisory
assistance
for
the
installation
,
overhaul
,
repair
and
main
-
tenance
of
Siemens
equipment
,
processes
and
systems
.
Contact
regional
service
centers
,
sales
offices
or
the
factory
for
details
.
»
Courtesy of NationalSwitchgear.com