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Power Circvii Breokers,
GEK-731O
A-
250UDc. REL^y
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ct,C1
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600
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600
ma.
@
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576
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5W
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57"
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25W
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WARNING:
DO NOT
USE
BELL
SET
TO
CHECK
CONTINUITY
OF
BRIDGE CIR-
CUIT
IN
STATIC
TIME
DEI.AY
BOX;
ONLY
A
VOLT-OHM
METER
OR
VACUUM TUBE VOLT METER
SHOALD
BE
ASED.
ETECIRICAT
CONIROT COI'IPONENTS
Figure 23
shows
the
connections
for
control
components on
electrical.breakers with the breaker
open and
the
relays de-energized.
The application
of
voltage causes the motor to
run
because
the
G contacts
are closed.
The
me-
chanical
F
and
G switches
Erre
arranged
to
operate
only after the closing spring
is fully
charged
and
slightly over
center.
The
closing spring
is
held by
a
mechanical
latch.
The
close signal completes
the
X
relay circuit,
which closes
its
contacts, energizing the
closing
solenoid.
This
removes
the
mechanical latch.
allowing the breaker to close.
The W
relay
prevents
a
second close operation
on
automatic opening urdess the
close signal
is
re-
moved and then
reapplied.
Junpet
Usep
Ouu
-
WHEN
TflERHo.T€cT&
CoNf
/J U'ED N/D1
SrAr/c 72
FoR/ilsr
fR/l auJloqeR
oo
SHouLo
N/RE
lv
C.
PA.
3ui"
/u sR/ES
MrP
TtrRma.rtcransi
-__.lt
(.,/
<t:l
<[t
iiii
_i
r
CuslahEp's
I
fRrysFoRb€R
I
23ov.6oN
sEc.l
t//N/.|uM
StzE
I
loova.
I
t__
Fig.
22.
(102C3699)
Wirirg
di,agramfor stati,c time-delay
underooltage deuice used
with Thermotector cqntrol
I
lR+
I
r'
I
CC
D
E
F&G
L
@
w
x
X
J-
't-
+
-
CLOSING SOLENOID
-
CLOSING
RELAY
CONTACTS
-
ANTI-PUMP REI.AY
CONTACTS
-
MECIIANICALLY
OPERATED
SWITCHES
-
AU)CTLIARY SWITCH CONTACTS
-
CLOS
ING MOTOR
.
ANTI-PUMP
RELAY COIL
-
CONTROL
RELAY
CONTACTS
-
CONTROL
REI.AY
COIL
-
NORMALLY OPENSWITCH
CONTACTS
-
NORMALLY
CLOSED SWITCH CONTACTS
(1
56A2395)
Electricall5, operated wiring
diagrant
rrl-t/;!;"i%"
J_I-',y^:,^,
?8v
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A
lit-oirer,ua
tresr
tND,CAT€5
/Da<hd-
,-ecroe
Pas.
&
Teaus
,-Ec-oR
Pa5.
&
7RAils
foR,aER 5€c.
volTAGE
AuAltA8/z/ar:
tTdroR
SHoutD NOr BE
r-
l-{--
STARTED
LlNr/t
r
a-
|
t/6Hr
/ND/cArEe
/
---__l
|
|
tl
Tlltpua-rscra<
I
|
|
CourRoL
I
r
I
'ery/K'Lill
Nor€- MR/il6
'.iHE{
I
i
i
7//ERnorEcrdR&
I
I
/e;'Ttn;.--l-+,1
i+
fo'
.* _ --
___l
_=:7,'*
i-
Fig.23.
25
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