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
XT7-XT7M Ekip M Touch LRIU (hot trip)
XT7 – XT7 M Ekip M Touch LRIU R function - JAM
t-hot/t-cold
t [s]
1.2
10 4
R
2...10
1
10 3
10
2
5E
10E
20E
30E
0.8
10 2
0.6
10
0.4
1
0.2
10 -1
0
10 -2
0.2 -
10 -3
2
10 2
1
10
10
1
10
10 3
10 -1
x In
Time [s]
XT7-XT7 M Ekip M Touch LRIU R function - STALL
XT7 – XT7 M Ekip M Touch LRIU I function
t [s]
t [s]
10 4
10 4
10 3
10 3
R
10 2
10 2
10
10
10 2
1
1
-1
10
10 -1
10
-2
10 -2
10
-3
10 -3
I [kA] 10 2
10
10
1
1
10 -1
10 -1
10 2
10
1
10 -1
x In
x In
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