Page 188 - B_ELSB_Cat_2022_01_MCBs

1/188 ELECTRICAL INSTALL ATION SOLUTIONS FOR BUILDINGS - TECHNICAL DETAILS 9AKK 107991 A8329
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MCBs technical details
MCBs internal resistance, power loss and max. permissible earth-fault
loop impedance

Internal resistance and power loss per pole
Internal resistance in mΩ per pole in cold state, power loss in W per pole at rated current

Type Tripping characeristics Rated current R P
i Vmax
A mΩ W
S 200 S B, C 6 52.1 2.16
C 8 22.9 1.65
B, C 10 19.0 2.20
B, C 13 13.7 2.62
B, C 16 9.1 3.28
B, C 20 6.2 3.14
SU200 M
Rated current C, K characteristics Z characteristics
Internal resistance Power loss Internal resistance per pole Power loss
per pole
I n R i P R i P V
V
A mΩ W mΩ W
0.2 42500 1.7 - -
0.3 18889 1.7 - -
0.5 5600 1.4 9000 2.3
0.75 2489 1.4 - -
1 1400 1.4 2200 2.2
1.6 703 1.8 1000 2.6
2 450 1.8 650 2.6
3 178 1.6 250 2.3
4 113 1.8 140 2.2
5 50 1.3 100 2.5
6 56 2.0 70 2.5
8 23 1.5 28 1.8
10 21 2.1 21 2.1
13 14 2.3 17 2.9
15 11 2.4 13 2.9
16 9.8 2.5 10 2.6
20 6.3 2.5 6.5 2.6
25 5.1 3.2 5.1 3.2
30 3.9 3.5 3.9 3.5
32 3.6 3.7 3.6 3.7
35 3.3 4.1 3.3 4.1
40 2.8 4.5 2.8 4.5
50 1.8 4.5 1.8 4.5
60 1.4 4.9 1.4 4.9
63 1.4 5.4 1.4 5.4