Page 180 - B_ELSB_Cat_2022_01_MCBs

1/180 ELECTRICAL INSTALL ATION SOLUTIONS FOR BUILDINGS - TECHNICAL DETAILS 9AKK 107991 A8329
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MCBs technical details
Coordination tables: selectivity

Discrimination of S750 DR with respect to downstream MCB S200M / S400M compared to fuse protection
MCBs
S 200
S 200 M
supply side: S 750 DR fuse
final Char. E / K gG
circuit:
I [kA] 25
cu
I [A] 16 20 25 32 40 50 63 80 100 16 20 25 35 40 50 63 80 100
n
S200M Z 10 ≤ 2 15 15 15 15 15 15 15 15 15 0.5 2 10 10 15 15 15 15 15
S400M
3 15 15 15 15 15 15 15 15 15 0.3 0.7 1.8 6 15 15 15 15 15
4 15 15 15 15 15 15 15 15 15 0.3 0.6 1.3 3.5 4 7 15 15 15
6 15 15 15 15 15 15 15 15 15 0.2 0.5 0.9 1.3 2.7 3.8 6 15 15
8 15 15 15 15 15 15 15 15 15 0.4 0.6 1.3 1.5 2.4 4 6 6
10 15 15 15 15 15 15 15 15 15 0.4 0.6 1.3 1.5 2.4 4 6 6
16 15 15 15 15 15 15 15 15 0.5 1.1 1.5 1.7 3 4.5 6
20 15 15 15 15 15 15 15 0.7 1.4 2 3 4.4
25 15 15 15 15 15 15 0.7 1.4 2 3 4.4
32 15 15 15 15 15 2 3 4
40 15 15 15 15 2 3 4
50 15 15 15 3
63 15 15 3

Limited overload selectivity