Page 60 - SACE Tmax XT - Technical Catalogue

1/56 SACE TMAX XT LOW VOLTAGE MOLDED CASE CIRCUIT-BREAKERS

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Characteristic curves

Trip curves with electronic trip unit Ekip Touch
and Hi-Touch

Trip curves for generator protection

XT5 Ekip G Touch LSIG • Ekip G Hi-Touch LSIG XT5 Ekip G Touch LSIG • Ekip G Hi-Touch LSIG
L-S-I functions G function

t [s] t [s]
10 4 10 4
0.4 1
10 3 10 3
I 2 t ON
1 10
10 2 10 2
1
10 10

1 1

1 10
10 -1 10 -1 Inhibited for I>4 In
I 2 t OFF
10 -2 10 -2

10 -3 10 -3
10 -1 1 10 10 2 10 -2 10 -1 1 10 10 2
x In I [kA] x In

XT7 – XT7 M Ekip G Touch LSIG • Ekip G Hi-Touch LSIG XT7 – XT7 M Ekip G Touch LSIG • Ekip G Hi-Touch LSIG
L-S-I functions G function

t [s] t [s]
10 4 10 4
0.4...1
0.4 1
10 3 10 3
0.6...10
0.6 1.5 10 15
0.1...1
I 2 t ON 0.1 1
10 2 10 2
10 10

10 2
1 1
I 2 t OFF
10 -1 10 -1 Inhibited for I>4 In

1.5...15
10 -2 10 -2

10 -3 10 -3
10 -1 1 10 10 -1 1 10 10 2 10 -2 10 -1 1 10 10 2
x In I [kA] x In