ABB PR521 User Manual

647008/002 - 2000/05 it-en - 31/40
100
10
1
1.6
0.1
0.01
0.2 0.3 0.4 0.5 0.6
0.7
0.8
0.9
1
10
234
5
6
I/I>
t [s]
IEC 255-3
Definite Time Curve
7
8
9
I
>
K = 1.6
K = 0.1
t = K x 1
10. Curve tempo corrente
10.1.Curva di intervento a tempo fisso (DT) per
protezione da sovracorrente
10. Time current curves
10.1.Definite time-delay trip curve (DT) for over-
current protection

ABB PR521 Specifications

General

Brand	ABB
Model	PR521
Category	Computer Hardware
Language	English