Eaton Cutter-Hammer SPB-50 User Manual

I
.
B
.
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Page
16
SECTION
5
:
ACCESSORIES
breakers
but
is
supplied
as
standard
on
all
electrically
operated
breakers
.
For
close
circuits
employing
a
“
momentary
”
closed
initi
-
ating
contact
,
an
anti
-
pump
relay
is
not
required
.
For
those
circuits
employing
a
“
maintained
”
closed
initiating
contact
,
an
anti
-
pump
relay
is
available
to
prevent
:
either
a
)
a
non
-
desired
automatic
reclosing
operation
following
either
a
manual
or
automatic
opening
opera
-
tion
;
or
b
)
a
closing
operation
following
a
manual
charg
-
ing
operation
(
Figures
5
-
3
and
5
-
4
)
.
For
remote
signal
purposes
,
a
normally
open
spring
charged
contact
in
series
with
the
latch
check
contacts
is
provided
as
standard
.
This
allows
an
optional
remote
“
spring
charged
”
indicator circuit
that
signifies
the
“
ready
to
close
”
condition
of
the
breaker
.
5
-
1
GENERAL
The
descriptions
in
this
section
apply
to
factory
installed
accessories
.
Unless indicated
,
all
of
these
accessories
are
available
in
kits
for
field
installation
.
Details
on
instal
-
lation
are
found
in
the
instruction
leaflet
with
each
kit
.
5.2
SHUNT
TRIP
The
breaker
shunt
trip
is
a
conventional shunt
trip
acces
-
sory
used
in
conjunction
with
an
“
a
”
auxiliary
switch
to
provide
for
breaker
opening
from
a
remote
control
source
.
In
addition
to
the
cut
-
off function
,
the
S
.
P
.
D
.
T
.
auxiliary
switch
provides
control
contacts
that
can
be
used
for
remote
indication
of
the
breaker
“
open
”
or
“
closed
”
position
.
All
shunt
trip
components
are
mounted
internally
in
the
center
pole
(
Figures
5
-
1
and
5
-
2
)
.
All
components
are
mounted
internally
in
the
center
pole
except
the anti
-
pump
relay
which
is
mounted
in
the
right
-
hand
pole
.
5
-
3
SPRING RELEASE
FOR
MANUAL
BREAKERS
5
-
4
ELECTRICAL
OPERATOR
The
spring
release
accessory
is used
in
conjunction
with
a
cut
-
off
switch
,
a
spring
charged
contact
and
a
latch
check
contact to
provide
remote
closing
of
the
breaker
following
either
a
manual
or
electrical
spring
charging
operation
.
The
spring
release
is
optional
on
manual
An
electrical
operator
may
be
used
to
provide
the
ener
-
gy
required
to
electrically
pre
-
charge
the
closing
springs
in
the
stored
energy
mechanism
.
The
opening
energy
is
automatically
stored
in
a
separate
set
of
springs
during
Figure
5
-
1
Shunt
Trip
Kit
Figure
5
-
2
Shunt
Trip
Installed
F
;
T
>
N
Effective
7
/
00
Courtesy of NationalSwitchgear.com

Eaton Cutter-Hammer SPB-50 Specifications

General

Brand	Eaton
Model	Cutter-Hammer SPB-50
Category	Circuit breakers
Language	English