Page 38 - SACE Tmax XT - Technical Catalogue
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1/34 SACE TMAX XT LOW VOLTAGE MOLDED CASE CIRCUIT-BREAKERS
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Characteristic curves
Trip curves with electronic trip unit Ekip Dip
XT4 Ekip LS/I XT4 Ekip LIG
L-S functions L-I functions
t [s] t [s]
10 4 10 4
0.4...1 0.4...1
0.4 1 0.4 1
1 10
10 3 1...10 10 3
1...10
1 10
10 2 10 2
10 10
10 2 10 2
1 1
10 -1 10 -1
10 -2 10 -2
10 -3 10 -3
10 -1 1 10 10 -1 1 10 10 -1 1 10 10 -1 1 10
x In I [kA] x In I [kA]
XT4 Ekip LIG XT4 Ekip LSI
G function L-S-I functions
t [s] t [s]
10 4 10 4
0.2...1
0.2 1 0.4 1
10 3 10 3
I 2 t ON
1 10
10 2 10 2
1
10 10
I 2 t OFF
1 1
Inhibited for I>4 In
1 10
10 -1 10 -1
10 -2 10 -2
10 -3 10 -3
10 -1 1 10 10 2 10 -1 1 10 10 2
x In x In I [kA]
