Page 46 - SACE Tmax XT - Technical Catalogue

1/42 SACE TMAX XT LOW VOLTAGE MOLDED CASE CIRCUIT-BREAKERS

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Characteristic curves

Trip curves with electronic trip unit Ekip Dip

XT5-XT6 Ekip M Dip I XT5-XT6 Ekip M Dip LIU
I function L function (cold trip)
t [s] t [s]
10 3 10 4
0.4...1
0.4 1
10 2 10 3

10 10 2
20E

1 10
3E
10 -1 1

10 -2 10 -1

10 -3 10 -2

10 -4 10 -3
10 -1 1 10 10 2 10 -1 1 10 10 2
x In x In

XT5-XT6 Ekip M Dip LIU XT5-XT6 Ekip M Dip LIU
(hot trip) I function

t-hot/t-cold t [s]
1.2 10 3

1 10 2
5E 10E 20E 30E

0.8 10

0.6 1

0.4 10 -1

0.2 10 -2

0 10 -3

- 0.2 10 -4
1 10 10 2 10 3 10 -1 1 10 10 2
Time [s] x In