Page 58 - SACE Tmax XT - Technical Catalogue
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1/54 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
XT7-XT7M Ekip M Touch LRIU XT7 – XT7 M Ekip M Touch LRIU
(hot trip) R function - JAM
t-hot/t-cold t [s]
1.2 10 4
R
2...10
1 10 3
2 10
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
1 10 10 2 10 3 10 -1 1 10 10 2
Time [s] x In
XT7-XT7 M Ekip M Touch LRIU XT7 – XT7 M Ekip M Touch LRIU
R function - STALL 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 -1 10
10 -2
10 -2
10 -3 10 -3 10 -1 1 10 10 -1 1 10 10 2
10 -1 1 10 10 2 x In I [kA]
x In
