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P O S
.
O
-
86 B
+
^
r
4 3
;
blOISC
±
\
01 C
1
SGR
-
51
(
DWG
.
20 IC
422
)
-
-
2
-
n
7
»
;
' 10
I
=
h
43 S
r
I
9
I
R 36
79
CR
±
I
+
20 VDC
-
*
?
LOCKOUT
'
.
JNDICATOf
AMP
C
^
A
)
—
0
79
S
0
4
i
SINGLE
SHOT
<
—
0
^
44
-
22
/
-
52 b
FF
.
A
3
-
30
C
0
SEC
.
i
I
N
I
0
0
r
RESET TIMER
CLOSE
PWR
.
SUPPtt
20
VDC
I
I
I j n
J
52 b
—
n -
NEG
.
43
-
AUTOMATIC OPERATION CUTOUT
SW
.
52
b
-
CIR
.
&
KR
.
AUX
.
SW
.
79
-
SGR
-
51 AUTOMATIC RECLOSM
^
G RELAY
8 GB
-
BUS
LOCKOUT
101 ~ CONTROL SWITCH
43
$
-
SYNCHRONIZING
SWITCH
LOGIC STATE AND CONTACTS
SHOWN WITH BREAKER
CLOSED
,
52
b
OPEN
AND SGR
"
5 I RESET
.
876
A
231
Fig
.
4
.
Externa
!
Schematic
of Type SGR
-
51 Relay
TEST CIRCUIT
FOR TYPE SGR
-
51
RELAY
ED
B *
( w
)
MG
-
6 RELAY
OR
EQUIVALENT
0
A
* OPERATE COIL
*
*
RESET
COIL
RI
=
500
nr
25
W
025
VDC
)
50 A
-
25 W
(
48 VDC
)
a
s
TIMER STOP
l
CAL
.
C
|
2 OMF 0
.
150 V
0
*
1
NOTE
:
TIMER
TO
START AND
STOP ON
MAKE
OF
CONTACTS
OPER
.
Bb
B
*
Rl
0
B
COIL
INTERRUPTING
CONTACT
B
*
0
TIMER START
<
i
0
c
—
c
PB
-
I
•
RATED
VOLTAGE
TIMER COMMON
9
A
CAL
.
10
OPER
.
876
A
366
Fig
.
5 .
Test Circuit
for Type SGR
-
51
Relay
9
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