Catalogo_Legrand - page 134

132
Curvas de disparo para unidades de proteção
DMX
3
- N (Icu = 50 kA)
0.5
0.001
0.01
0,1
1
10
10
2
10
3
10
4
t(s)
70
50 40
30 20
20
10
10
2
3 4 5
2
1
3
4
5
10
2
I/Ir
I/In
I/In
If =800A
If =2000A
If =2500A
If =1250A
Im = 1.5Ir (±20%)
If =1600A
If =1000A
Im = 10Ir (±20%)
Tr = 30s (±20%)
Tr = 20s (±20%)
Tr = 10s (±20%)
Tr = 5s (±20%)
I
2
t = K
0.5
0.001
0.01
0,1
1
10
10
2
10
3
10
4
t(s)
70
50 40
30 20
20
10
10
2
3 4 5
2
1
3
4
5
10
2
I/Ir
I/In
I/In
If =800A
If =2000A
If =2500A
If =1250A
Im = 1.5Ir (±20%)
If =1600A
If =1000A
Im = 10Ir (±20%)
Tr = 30s (±20%)
Tr = 20s (±20%)
Tr = 10s (±20%)
Tr = 5s (±20%)
I
2
t = K
DMX
3
- N (Icu = 50 kA)
DMX
3
2500 e 4000
1...,124,125,126,127,128,129,130,131,132,133 135,136,137,138,139,140,141,142,143,144,...828
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