EasyManua.ls Logo

GE GCX51A - Page 42

GE GCX51A
52 pages
To Next Page IconTo Next Page
To Next Page IconTo Next Page
To Previous Page IconTo Previous Page
To Previous Page IconTo Previous Page
Loading...
1
-
98328
IHiliii
TWnr
-
nn
-
nr
-
.
fern
:
1
*
3
-
0
:
rr
fir
|
T
:
;
tin
fitfH
J
+
lm
ho
M
hi
:
:
Hit
.
-
*
HUT
'
r
+
u
«
«
ifli
&
iiHI
1
:
:
i
20
20
3
1
;
:
:
I
;
:
.
m
:
r
ng
I
3
I
JliUimimo
H
:
:
I
:
:
AVERAGE
OPERATING
TIME
OF
GCX
51
A
RELAY
:
i
:
BASIC
OHM
.
UN
IT
REACH
NO
.
1
U
?
TAP
SETTINGS
=
100
»
*
;
r
ANGII
OF
MAXIMUM
TORQUE
=
60
°
:
:
l
SOURCE
IMPEDANCE
A
FAULT
IMPEDANCE
85
°
LAG
~
TT
RELAY
VOLTAGE
BEFORE
THE
FAULT
s
120
VOLTS
.
H
rrr
I
AVERAGE
OPERATING
TIME
Of
GCXS
1
A
RELAY
4
18
18
T
i
«
A
:
BASIC
cm
UNIT
REACH
H
NO
.
1
A
£
2
TAP
SEniNGS
-
100
»
=
-
0.1
OrtAS
0.1
OHMS
H
rr
:
"
ANGLE
OF
MAXIMUM
TORQUE
SO
°
m
£
1
SOURCE
IMPEDANCE
A
FAULT
IMPEDANCE
85
°
LAG
l
!
;
RELAY
VOLTAGE
BEFORE
THE
FAULT
-
-
0
VOLTS
fj
r
4
.
16
16
till
3
<
s
jit
CO
i
CO
{
M
J
t
U
?
i
lU
;
ti
:
14
14
l
1
1
FtiJLj
ui
^
?
SETTING
g
rrtrm
t
,
251
iii
ni
t
;
}
;
:
un
i
:
3
!
n
S
CO
n
UJ
J
FAUIT
=
50
*
iji
{
t
£
u
SETTING
co
UJ
If
t
12
12
o
Jill
l
d
;
H
I
FAULT
I
:
;
i
ft
Z
SETTING
3
:
\
i
i
til
;
10
10
th
y
!
1
HiHiliUn
2
mi
2
l
t
:
i
j
i
HI
titi
F
II
I
s
;
»
i
m
n
34
3
1
«
A
o
1
H
tui
t
8
8
UJ
1
tt
2
4
VOLT
RESISTIVE
i
:
£
o
In
?
it
Q
-
B
6
6
1
u
»
4
-
i
;
II
m
m
?
c
o
ill
t
-
2
2
1
Tt
ill
20
70
0
10
0
20
10
70
30
50
60
50
60
40
40
13
^
FAULT
CURRENT
AMPERES
FAULT
CURRENT
AMPERES
*
30
Figure
19
(
0178
A
7156
)
Operating
-
Time
Curves
for
Short
-
Reach
GCX
51
Relay
(
Basic
OHM
-
Unit
Reach
0.1
Ohms
,
Voltage
Before
the
Fault
,
120
V
)
Figure
20
(
0178
A
7159
)
Operating
-
Time
Curves
for
Short
-
Reach
GCX
51
Relay
(
Basic
OHM
-
Unit
Reach
0.1
Ohms
,
Voltage
Before
the
Fault
,
Zero
Volts
)
T
idiUUi
^
SMSl
TH
ftj
-
:
i
;
i
iii
.
ftrftft
;
i
iii
mm
iii
is
I
:
T
*
»
«
it
ii
n
TT
tt
H
I
\
m
iii
11
n
t
:
;
i
!
:
H
!
i
;
ii
?
4
4
m
H
mu
I
nit
i
M
!
ill
iiil
.
i
:
i
I
.
m
u
Hi
iiii
HI
ill
I
t
!
I
in
:
:
:
:
:
i
II
ILM
!
n
i
AVERAGE
OPERATING
TIME
OF
GCX
51
A
RELAY
i
BASIC
OHM
UNIT
REACH
=
0 . 2
OHMS
f
NO
.
1
4
^
TAP
SEniNGS
=
100
»
i
ANGLE
OF
MAXIMUM
TORQUE
=
60
°
|
J
SOURCE
IMPEDANCE
A
FAULT
IMPEDANCE
85
°
LAG
ii
T
RELAY
VOLTAGE
BEFORE
THE
FAULT
=
0
VOLTS
*
1
18
1
li
AVERAGE
OPERATING
TIME
OF
GCX
51
A
RELAY
i
RASIC
OHM
UNIT
REACH
=
0 . 2
0
HAS
*
n
;
i
NO
.
1
6
E
2
TAP
SETTINGS
100
»
ANGLE
OF
MAXIMUM
TORQUE
=
60
°
;
H
SOURCE
IMPEDANCE
A
FAULT
IMPEDANCE
85
°
LAG
r
t
:
RELAY
VOLTAGE
BEFORE
THE
FAULT
=
-
120
VOLTS
:
iiii
ii
P
i
|
!
!
r
:
;
ui
Iiii
nrt
;
4
irt
H
ill
t
Iiii
Ii
2
!
i
;
m
CD
r
16
*
:
:
Hit
52
.
i
:
1
.
1
4
1
HI
rrh
in
Hijjj
i
:
:
i
'
ll
ill
iii
1
i
.
m
;
4
ilK
TT
;
tit
urn
TT
T
i
1
iiilijiiil
!
i
.
illii
mm
1
*
i
s
t
!
M
1
Hit
!
ii
i
!
i
tffi
M
lit
!
|
|
1
HI
I
m
n
i
i
u
.
.
I
.
.
1
I
pt
HI
Hi
*
iin
Z
FAULT
/
?
srtl
i
NTT
m
l
!
14
s
*
14
A
I
-
i
I
[
TT
1
!
IT
)
UJ
iiii
t
I
<
!
i
I
!
i
;
i
I
H
if
.
M
I
I
*
!
!
Iii
8
Jf
It
!
1
'
!
1
i
A
t
i
i
H
4
\
n
UJ
U
Wf
ftTt
rr
4
r
,
n
HI
25
»
i
;
H
3
T
o
;
i
o
d
j
»
Iiii
44
I
1
I
*
!
i
;
Hr
HI
*
12
li
I
;
z
t
iii
:
rH
im
r
i
12
i
I
!
i
ITT
itl
i
;
U
7
FAlll
T
H
ac
i
I
HI
H
11
=
50
»
li
Hi
2
il
«
!
m
/
Z
SETTING
it
i
11
!
ii
:
I
i
A
THTHif
it
:
!
in
h
{
*
fif
T T
T
"
UJ
ill
.
iiii
1
1
FAULT
ir
-
tt
10
o
1
ii
1
[
jT
H
-
i
i
j
10
Z
SETTING
Pii
r
:
firllii
!
!
:
o
<
n
:
t
a
IT
:
Iii
Z
FAULT
Z
SETTINC
I
It
Q
:
Tt
:
:
85
*
in
iii
ol
ii
!
i
f
:
:
-
Ui
*
t
8
o
I
UJ
8
!
I
Z
FAULT
Z
SETTING
o
iiii
!
i
X
50
*
11
4
VOLT
RESISTIVE
;
«
:
i
tn
.
ii
i
tf
:
t
r
ii
3
Z
FAULT
Z
SETTING
H
n
;
t
uu
t
;
0
»
6
I
:
i
\
11
2
TT
6
+
t
i
:
V
:
fl
i
:
HTH
m
i
tlfi
i
rr
!
i
in
i
Hit
i
4
4
im
illlii
I
*
t
TTH
1
!
t
t
i
I
T
m
0
i
i
n
2
JUttamaitcBiuS
t
nttrt
TTHlH
m
nr
<
,
2
UTL
;
hi
*
u
:
III
i
h
!
:
U
:
HI
!
tin
I
in
Iiii
.
t
_
,
7
TT
-
mi
ilU
HIL
+
nFTTTiT
^
tt
,
,
iiii
1
L
4
tiiiiiili
iill
lit
!
U
:
i
:
t
:
<
in
H
til
frfr
Hi
:
i
ITT
1
:
i
;
n
*
mi
t
-
*
-
Lf
-
*
-
*
*
r
:
:
:
4
L
tiri
Ihii
ITTTTI
!
in
iiii
i
ii
iii
i
i
:
-
1
i
Hi
:
iiii
HH
H
iii
>
t
'
H
11
\
1
lit
-
li
Li
i
LU
0
10
50
20
60
30
.
40
70
0
0
20
30
40
50
60
70
FAULT
CURRENT
AWPERFS
I
30
l
FAULT
CURRENT
AMPERES
30
Figure
21
(
0178
A
7157
)
Operating
-
Time
Curves
for
Short
-
Reach
GCX
51
Relay
(
Basic
OHM
-
Unit
Reach
0.2
Ohms
,
Voltage
Before
the
Fault
,
120
V
)
Figure
22
(
0178
A
7158
)
Operating
-
Time
Curves
for
Short
-
Reach
GCX
51
Relay
(
Basic
OHM
-
Unit
Reach
0.2
Ohms
,
Voltage
Before
Fault
,
Zero
Volts
)
42
Courtesy of NationalSwitchgear.com

Table of Contents

Related product manuals