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647008/002 - 2000/05 it-en - 35/40
10.5. Curva di intervento a tempo fisso per pro-
tezione di corto circuito con ritardo
regolabile
10.5. Definite time-delay trip curve for short cir-
cuit
protection with adjustable time-delay
100
10
1
0.1
0.01
0.6
0.7
0.8
0.9
1
10
2
20
3
4 5
5.5
6
I/In
t [s]
Definite Time Curve
7 8
9
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Summary of Contents for PR521
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