Page 58 - SACE Tmax XT - Catalogue

3/24 SACE TMAX XT LOW VOLTAGE MOLDED CASE CIRCUIT-BREAKERS

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Ekip Dip

Protection settings

Available settings for Ekip Dip trip units:

Ekip DIP LS/I& Ekip DIP LIG
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 = 12 - 36s t=k/I 2
12 - 48s for XT7
S Selective short-circuit I2 = Off – 1 – 1.5 – 2 – 2.5 – 3 – 3.5 – 4.5 - 5.5 – t2 = 0.1 - 0.2s t=k
6.5 – 7 – 7.5 – 8 – 8.5 – 9 – 10 x In at 10 x In when t = k/I 2 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
G Earth fault I4 = Off - 0.20 - 0 .25 - 0.45 - 0.55 - 0.75 - 0.80 t4 = 0.1 - 0.2 - 0.4 - 0.8s t=k
– 1 x In at 3 x In when t = k/I 2 t = k or t = k/I for XT7
2
I4 = Off - 0.2 - 0.3 - 0.4 - 0.6 - 0.8 - 0.9 - 1.0 x In
for XT7
Ekip DIP LSI & Ekip DIP LSIG
ABB code Protection Function Threshold Trip Time Trip Curve
L Overload I1 = 0.4...1 x In with steps of 0.02 t1 at 3xI1 = t=k/I 2
I1 = 0.4 - 0.42 - 0.45 - 0.47 - 0.5 - 0.52 - 0.55 - 3 - 12 - 36 - 60s at 3xI1 for XT2-XT4
0.57 - 0.6 - 0.62 - 0.65 - 0.67 - 0.7 3 - 12 - 36 - 48s for XT5
- 0.72 - 0.75 - 0.77 - 0.8 - 0.82 - 0.85 - 0.87 - 0.9 3 - 12 - 36 - MAX for XT6
- 0.92 - 0.95 - 0.97 - 1 x In for XT7 3 - 12 - 24 - 36 - 48 - 72 - 108 - 144s for XT7
S Selective short-circuit I2 = Off – 1 – 1.5 – 2 – 2.5 – 3 – 3.5 – 4.5 - 5.5 – t2 = 0.05 - 0.1 - 0.2 - 0.4 for XT2-XT4-XT5-XT6 t = k or t = k/I 2
6.5 – 7 – 7.5 – 8 – 8.5 – 9 – 10 x In t2 = 0.1 - 0.2 - 0.3 – 0.4 – 0.5 – 0.6 – 0.7 – 0.8
I2 = Off – 0.6 - 0.8 - 1 – 1.5 – 2 – 2.5 – 3 – 3.5 – for XT7
4 - 5 - 6 – 7 – 8 – 9 – 10 for XT7 at 10xIn when t = k/I 2
I Short-circuit I3 = Off – 1 – 1.5 – 2 – 2.5 – 3 – 3.5 – 4.5 - 5.5 – t3 ≤ 40ms t=k
6.5 – 7 – 7.5 – 8 – 8.5 – 9 – 10 x In t3 ≤ 30ms for XT7
I3 = Off – 1 .5 – 2 – 3 – 4 - 5 - 6 - 7 - 8 - 9 - 10 -
11 - 12 -13 - 14 - 15 for XT7
G Earth fault I4 = Off - 0.20 - 0 .25 - 0.45 - 0.55 - 0.75 - 0.80 t4 = 0.1 - 0.2 - 0.4 - 0.8s t=k
2
– 1 x In at 3 x In when t = k/I 2 t = k or t = k/I for XT7
I4 = Off - 0.1 - 0.2 - 0.3 - 0.4 - 0.6 - 0.8 - 0.9 -
1.0 x In for XT7
Note: t1 MAX for XT6: 42s for XT6 1000 and 72s for XT6 800