Page 59 - SACE Tmax XT - Catalogue
P. 59
PROTECTION TRIP UNITS 3/25
03
Ekip M DIP I
ABB code Protection Function Threshold Trip Time Trip Curve
I Short-circuit I3 = Off – 1 – 1.5 – 2 – 2.5 – 3 – 3.5 – 4.5 - 5.5 – t3 ≤ 15ms for XT2-XT4 t=k
6.5 – 7 – 7.5 – 8 – 8.5 – 9 – 10 x In t3 ≤ 20ms for XT5-XT6
t3 ≤ 30ms for XT7
Ekip M DIP LIU
ABB code Protection Function Threshold Trip Time Trip Curve
L Overload I1 = 0.4...1 x In with steps of 0.04 Operating Class for XT2-XT4: t=k/I 2
5E - 10E - 20E
Operating Class for XT5-XT6:
5E - 10E - 20E - 30E
I Short-circuit I3 = 6 – 7 – 8 – 9 - 10 – 11 – 12 - 13 x In t3 ≤ 15ms for XT5-XT4 t=k
t3 ≤ 20ms for XT5-XT4
t3 ≤ 30ms for XT7
U Phase loss ON/OFF When ON. t6 = 2s t=k
(IEC 60947-4-1)
Ekip G DIP LS/I
ABB code Protection Function Threshold Trip Time Trip Curve
L Overload I1 = 0.4...1 x In with steps of 0.04 t1 at 3 x I1 = 3 - 6s t=k/I 2
S Selective short-circuit I2 = Off – 1 – 1.5 – 2 – 2.5 – 3 – 3.5 – 4.5 - 5.5 – t2 = 0.05 - 0.075 - 0.1 - 0.2 t=k
6.5 – 7 – 7.5 – 8 – 8.5 – 9 – 10 x In at 10 x In when t = k/I2 t = k or t = k /I for XT7
2
I Short-circuit I3 = Off – 1 – 1.5 – 2 – 2.5 – 3 – 3.5 – 4.5 - 5.5 – t3 ≤ 20ms t=k
6.5 – 7 – 7.5 – 8 – 8.5 – 9 – 10 x In t3 ≤ 30ms for XT7