Page 54 - SACE Tmax XT - Technical Catalogue
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1/50 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
XT2 Ekip M Touch LRIU XT2 Ekip M Touch LRIU
I function U function
t [s] t [s]
10 5 10 4
10 4 10 3
1.5 10
10 3 10 2
10 2 10 10
10 2
10 1 1
1 10 -1
10 -1 10 -2
10 -2 10 -3
10 -1 1 10 10 -1 1 10 10 2 10 -1 1 10 10 2
x In x In
XT4 Ekip M Touch LRIU XT4 Ekip M Touch LRIU
L function (cold trip) (hot trip)
t [s] t-hot/t-cold
10 4 1.2
0.4 1
10 3 5E 1
5E 10E 20E
10 2 0.8
10 30E 0.6
1 0.4
10 -1 0.2
10 -2 0
10 -3 - 0.2
10 -1 1 10 10 2 1 10 10 2 10 3
x In Time [s]
