Page 184 - B_ELSB_Cat_2022_01_MCBs

1/184 ELECTRICAL INSTALL ATION SOLUTIONS FOR BUILDINGS - TECHNICAL DETAILS 9AKK 107991 A8329
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MCBs technical details
Coordination tables: selectivity

Short-circuit discrimination (in kA) apply for combinations : fuse gL / gG – S 750 DR – S200M / S400M
1)

fuse: 63 A gG 80 A gG 100 A gG
supply side: S 750 DR
Char. E / K
final I [kA] 25
circuit: cu
I [A] 32 40 50 63 32 40 50 63 80 32 40 50 63 80 100
n
≤ 2 15 15 15 15 15 15 15 15 15 15 15 15 15 15 15
3 15 15 15 15 15 15 15 15 15 15 15 15 15 15 15
4 15 15 15 15 15 15 15 15 15 15 15 15 15 15 15
6 10 10 10 10 15 15 15 14 14 15 15 15 15 15 15
8 7 6 6 5 10 10 10 8 7 15 15 15 15 15 14
10 7 6 6 5 10 10 10 8 7 15 15 15 15 15 14
S 200 M B, C, 6 13 6 6 6 5 9 8 8 7 6 10 10 10 10 15 14
S 400 M D, K, Z 16 6 6 6 5 9 8 8 7 6 10 10 10 10 9 8
20 5 5 4.5 4.5 6 7 7 6.5 5.5 10 10 10 10 9 8
25 4.5 4.5 4 7 6 6 5.5 10 10 10 9 8
32 4 3.5 6 5.5 5 9 9 8 7
40 3 5 4 8 7 6
50 2 5 4
63 4
1) The selectivity limit current I results from the let-through I t-value of S 750 DR plus S200M / S400M and the pre-arcing (melting) I t-value of a fuse acc. to IEC / EN 60269
2
2
s1
Short-circuit discrimination (in kA) apply for combinations : fuse gL / gG – S 750 DR – S200M / S400M
1)

fuse: 125 A gG 160 A gG
supply side: S 750 DR
Char. E / K
final
circuit: I [kA] 25
cu
I [A] 32 40 50 63 80 100 32 40 50 63 80 100
n
≤ 2 15 15 15 15 15 15 15 15 15 15 15 15
3 15 15 15 15 15 15 15 15 15 15 15 15
4 15 15 15 15 15 15 15 15 15 15 15 15
6 15 15 15 15 15 15 15 15 15 15 15 15
8 15 15 15 15 15 15 15 15 15 15 15 15
10 15 15 15 15 15 15 15 15 15 15 15 15
S 200 M B, C, 13 15 15 15 15 15 15 15 15 15 15 15 15
S 400 M D, K, Z 6 16 15 15 15 15 15 15 15 15 15 15 15 15
20 15 15 15 15 15 15 15 15 15 15 15 15
25 15 15 15 15 12 15 15 15 15 15
32 15 15 15 12 15 15 15 15
40 14 12 10 15 15 15
50 10 10 15 15
63 9 15
2
1) The selectivity limit current I results from the let-through I t-value of S 750 DR plus S200M / S400M and the pre-arcing (melting) I t-value of a fuse acc. to IEC / EN 60269
2
s1