Code Alarm SRT 1600 Manual de Serviço Página 41

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11/98
©1995 Square DAll Rights Reserved
40
Trip Curves
Ground-fault Protection STR 38S–STR 58U Control Units
06313081
.15
Multiple of Current Sensor (In)
Time in Seconds
I t OFF
Ground-fault Pickup
Ih = 0.1 x In 1200 A Max.
I t ON
1 1.2 1.5 2 3 4.5 .6 .7 .8 .9 5 106 7 8 9 20 30 40 50 60
70
80
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1000
.4.3.2
.05
.06
.07
.08
.09
.1
.01
.001
.002
.003
.004
.005
.006
.007
.008
.009
.1
.02
.03
.04
.05
.06
.07
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.09
1
.2
.3
.4
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9
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.01
.001
.002
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.009
.1
.02
.03
.04
.05
.06
.07
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.09
1
.2
.3
.4
.5
.6
.7
.8
.9
10
2
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5
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9
30
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.12
.15
1 1.2 1.5 2 3 4.5 .6 .7 .8 .9 5 106789 20
30 40 50 60
70
80
90
100
200
300
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500
600
700
800
900
1000
.4.3.2
.05
.06
.07
.08
.09
.1
.12
0.1
0.2
0.3
0.4
2
2
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