GE AKR-30 Series Maintenance Manual page 78

Low-voltage power circuit breakers
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21
TABLE
SHUNT TRIP AND UNDERVOL TAGE DEVICE OPERATING CURRENTS
:g
""
8 &
u
c
'i .!
r
c -
- 0
I !
I >
""
24
DC
DC
48
1 25
DC
DC
250
70
60
1 20
60
1 20
50
25
1 20
208
60
208
50
208
25
60
240
240
50
240
40
240
25
380
50
480
60
480
50
25
480
60
575
575
50
575
25
Nominal Control
Voltage
24V
48V
1 25V
250V
1 20V
1 20V
1 20V
208V
208V
I
208V
240V
240V
I
240V
380V
480V
480V
480V
575V
575V
575V
78
SHUNT TRIP
Operlltl n g
Voltage ,.nge
1 4
30
28
60
70
1 40
1 40
280
59
1 32
95
1 27
95
1 27
95
1 27
1 75
220
1 75
220
1 75
220
1 90
254
1 90
254
1 90
254
1 90
254
315
4 1 0
380
508
380
508
508
380
475
625
625
475
475
625
TAB LE 2 2 COIL RESISTANCE-DC O H M S
Anti-Pump
Hz
Rel ay
Frequency
DC
N!A
DC
802
DC
5000
DC
1 6400
45 0
60
50
450
25
1 4 50
60
1 4 50
50
1 450
25
3900
60
1 4 50
50
1 450
6000
25
N A
50
N A
60
N A
50
N A
25
N A
60
N A
50
N A
25
Current
(Amps)
lnruah
Sealed
Open
Cloud
8.3
8.3
4.5
4.5
2.0
2.0
1 .0
1 .0
-
-
1 2.3
1 0.8
6. 7
7.6
4.7
4.1
3.2
2.6
3.8
3. 1
2.1
1 .9
3.9
3.4
4.7
4.1
5.8
5.1
2.1
1 .9
2.9
2.6
3.1
3.4
7.5
7.3
3.5
3.3
2.8
2.5
5.1
4.7
3.1
3.0
Control
w-
·
·
··
··
·
Relay
x
N/A
1 2
1 1 9
476
54
75
75
2 1 6
300
300
300
300
300
N A
N A
N A
NIA
N A
N�A
N, A
UNDER VOLTAGE
Current
(Amps)
Operating
lnruah
Voltage ,.nge
Open
.38
. 1 9
SEE
.08
TABLE
.04
23
N/A
.66
.75
.31
.51
.30
. 1 4
.37
.34
N/A
. 1 6
.22
.23
.1 7
. 1 1
. 1 6
. 1 4
. 1 0
@
25°C
Shunt
T rip
Undervolblge
64
3
1 1
240
64
1 600
260
6700
3.9
25.4
33
7.15
.
2
5
4
1 46
25.4
64
25. 4
1 46
64
580
1 00
25.4
25 .4
1 46
64
580
64
370
370
64
32
580
100
1 600
1 00
580
64
918
1 46
3200
-.
...
Sealed
CloMd
.38
. 1 9
.08
.04
N/A
.24
.25
. 1 0
. 1 7
. 1 0
.05
. 1 2
.1 1
N/A
.06
.08
.08
.06
.05
.06
.06
.05

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