SACE ® TMAX XT ® UL/CSA LOW VOLTAGE MOLDED CASE CIRCUIT-BREAKERS UL489 AND CSA C22.2 STANDARDS
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— Characteristic curves Trip curves with electronic trip unit Ekip Touch and Hi-Touch
XT2 Ekip M Touch LRIU I function
XT2 Ekip M Touch LRIU U function
t [s]
t [s]
10 5
10 4
10 3
10 4
1.5
10
10 3
10 2
10 2
10
10
10 2
10
1
1
10 -1
1
10 -1
10 -2
10 -3
10 -2
10
1
x In 10 2
10 -1
1 10
10 2
10 -1
10
1
10 -1
x In
XT4 Ekip M Touch LRIU L function (cold trip)
XT4 Ekip M Touch LRIU (hot trip)
t-hot/t-cold
t [s]
1.2
10 4
1
0.4
10 3
1
5E
5E
10E
20E
10 2
0.8
10
0.6
30E
0.4
1
10 -1
0.2
0
10 -2
0.2 -
10 -3
10 2
10
2
1
1
10
10 -1
10
10 3
x In
Time [s]
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