ABB PR521 User Manual

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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
34
5
5.5
6
I/In
t [s]
Definite Time Curve
7
8
9
I
>>

ABB PR521 Specifications

General

Brand	ABB
Model	PR521
Category	Computer Hardware
Language	English