ADJUS ABLE
RESISTOR
TO
SET
C:LOSING
SEAL-IN
UNIT
DISK AND
Fig.
2 (8007014)
Type
IJS51A
Relay, Unit In C radle
(Front View)
90
-T--
-1 .
50 40 30 20 10 0 10 20 30 40 50
PHASE ANGLE (DEGREES)
BETWEEN C I RCU I TS
Fig. 4
{
6 400151-3
)
Typical Time -Pha s e An g le
Chara cteris tic of 60-Cycle Rela y 12IJS51A1 With
Ra ted Vol ta ge On Both Circuits With #10 Time
Dial Settin gs.
Synchronism-Check Relays Type
IJS GEH-1791
CRADLE----,
Fig.
3 (8007013)
Type
IJS51A
Relay, Unit In Cradle
(Rear View)
'-'
z
9
;:: 8
1-
w
(/)
_,
""'
- 7
Cl
Cl
z
0 4
u
w
(/)
�
3
1-
'-'
z
;:: 2
<{
"'
w
'"-
0
0
i
0
0
0� .
I
r--·
I
o)
r--
-
0
-
,
-
-
-�
I
I
i
CLOSING
ANGLE
30°
CLOSING ANGLE
-
:
-
I
!
40°
CLOSING
ANGLE
I
I
I
600
!
-
I
I
.
j
-
I
ANGLE
--
---+
I
50 40 30 20 10 0 10 20 30 40 50
PHASE ANGLE
(OFGREESI
BETWEEN CIRCUiTS
I
Fig. 5
(
3 76A964-l
)
Typica l Time - Pha se An gle
Cha racter is tic of 60-Cycle Re lay 12IJS51A3 With
Rated Voltage On Both Circu i ts With #10 Time
Dial Se ttin g s.
5
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