Eaton Cutter-Hammer SPB-100 - Section 1: Introduction; Safety Features; Safety Practices

I
.
B
.
29
-
801
C
Page
1
SECTION
1
:
INTRODUCTION
1
-
2
SAFETY FEATURES
Systems
Pow
-
R
Breakers and
associated
drawout
equipment
are
manufactured
with
built
-
in
interlocks
and
safety
related
features
.
They
are
provided
to
reduce
hazards
to
operating
personnel
and
provide
proper
operating
sequences
.
1
-
1
GENERAL
INFORMATION
The
Cutler
-
Hammer
Systems
POW
-
R
Breaker
is
an
encased
power
breaker
designed
to
provide
benefits of
special
interest
to
designers
and
users
of
power
distribu
-
tion
systems
.
These
instructions
cover
the
description
and
operation
of
Systems
Pow
-
R
Breakers
and
their
drawout
mechanisms
in
the
400
,
800
,
1200
,
1600
,
2000
C
,
2500
,
3000
,
4000
and
5000
ampere
frame
sizes
(
Figure
1
-
1
)
.
WARNING
SYSTEMS
POW
-
R
BREAKERS
ARE
STRONGLY
BUILT
AND
PROVIDED
WITH
SAFETY FEATURES
.
NEVERTHELESS
,
THE
VOLTAGES
,
CURRENTS
AND
POWER
LEVELS
AVAILABLE
IN
AND
AROUND
THIS
EQUIPMENT
WHEN
IT
IS
IN
OPERATION
ARE
EXTREMELY
DANGEROUS
AND
COULD
BE
FATAL
.
ALL
POWER
SHOULD
BE
TURNED
OFF
.
UNDER
NO
CIRCUMSTANCES
SHOULD INTERLOCKS
AND
OTHER
SAFETY
FEATURES
BE
MADE
INOPERA
-
TIVE
,
AS
THIS
MAY
RESULT
IN DEATH
,
BODILY
INJURY
OR PROPERTY
DAMAGE
.
Systems
Pow
-
R
Breakers
must
be
applied
within
their
published
ratings
in
accordance
with
UL
489
and
NEMA
AB
-
1
Standards
as
defined
under
“
Usual
Service
Conditions
.
"
Systems
Pow
-
R
Breakers
are
available
for
standard
interrupting
capacities
(
100
,
000
amperes
at
480
volts
)
and
high
interrupting
capacities
(
150
,
000
amperes
at
480
volts
)
.
Special
lower
interrupting
capaci
-
ty
breakers
are
also
available
in
400
,
800
,
1200
,
1600
and
2000
C
ampere
frames
(
Table
1.1
)
.
Systems
Pow
-
R
Breakers
are
assembly
rated
for
application
at
100
%
of
their
continuous
current
rating
.
Molded
case
switches
are
also available
in
accordance
with
UL
1087
in
the
non
-
automatic
version
with
short cir
-
cuit withstand
ratings
shown
in
Table
1.2
.
1
-
3
SAFETY
PRACTICES
To
protect
personnel
associated
with
the
installation
,
operation
and
maintenance
of
this
equipment
,
the
fol
-
lowing
practices
must
be
followed
:
1
.
Only
qualified
electrical
personnel
familiar
with
the
equipment
,
its
operation
and
the
associated
hazards
should
be
permitted
to
work
on
the
equipment
.
Additionally
,
only
qualified
personnel
should
be
per
-
mitted
to
install
or
operate
the
equipment
.
Systems
Pow
-
H
Breakers
are
available
in
eiiber
dra
-
wout
or
fixed
mounted
configurations
.
In
the
case
of
fixed
mounted
breakers
,
the
sections
of
this
manual
referring
to
the drawout
mechanism
,
levering
device
,
and
drawout
procedures
will
not
apply
.
There
are
two
drawout
design
types
available
:
one
hav
-
ing
the
complete
circuit
breaker
mounted
BEHIND THE
DOOR
and
a
second
having
the
integral
trip
unit and
operating
devices
projecting
THROUGH
THE
DOOR
.
The electronic
trip
units
used
with
the
Systems
Pow
-
R
Breaker
are
generally
addressed
in
this
manual
.
For
spe
-
cific
details
concerning
compatible
Cutler
-
Hammer
trip
units
,
refer
to
separate
reference
and
instruction material
.
2
.
Always
be certain
that
the
primary
and
secondary
cir
-
cuits
are
de
-
energized
or
the circuit breaker is
removed
to
a
safe
work
location
before
attempting
any
maintenance
.
3
.
For
maximum
safety
,
only
insert
a
completely
assem
-
bled breaker into
an
energized
cell
.
4
.
Always
insure
that
drawout
breakers
are
in
one
of
their
designed
cell
positions
,
such
as
Connected
,
Test
,
Disconnected
or
Withdrawn
.
A
breaker
permit
-
ted
to
remain
in
an
intermediate
position
could
result
in
control circuits
being
improperly
connected
result
-
ing
in
electrical
failures
.
NOTICE
Please
read
and
understand
these
instructions
before
attempting
to
unpack
,
operate
or
maintain
this
equipment
.
Study
the
breaker
and
its
mecha
-
nism
carefully
before
attempting
to
operate
it
on an
energized
circuit
.
Effective
7
/
00
Courtesy of NationalSwitchgear.com