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MCBs technical details
MCBs internal resistance, power loss and max. permissible earth-fault
loop impedance

S200 80-100A
Tripping Rated current Internal resistance Power loss
characteristic I R P
n i V
A mΩ W
B, C 80 0.9 8.1
B, C 100 0.8 9.8

S 750 DR E S 750 DR K
1
2
1
2
Rated current Internal resistance Power loss Internal resistance Power loss

I n / A R i / mΩ P V / W R i / mΩ P V / W
16 15.3 4.1 14.5 3.9
20 11.3 5.4 10.7 5.1
25 8.7 5.9 8.3 5.5
35 4.5 6.3 4.3 6.2
40 3.4 6.1 3.2 5.8
50 2.9 7.6 2.8 7.2
63 2.1 8.7 2.1 8.7
80 1.6 10.5 1.6 10.5
100 1.3 12.0 1.3 12.0
1 in cold state 2 at rated current

S800PV-SP, S800PV-SD and S800PV-M-H
Typical internal resistances and power losses at 25 °C ambient temperature (per pole)
Rated current I [A] Internal resistance R [mW] Power loss P [W]
n i V
PV-SP PV-SD PV-M-H PV-SP PV-SD PV-M-H
5 57.9 1.5
6 51.7 1.8
8 27.2 1.7
10 15.2 1.5
13 12.1 2.0
16 12.1 3.1
20 8.7 3.5
25 6.8 4.3
32 3.1 1.8 1.8 3.2 1.8 1.8
40 2.3 3.7
50 1.7 4.3
63 1.6 0.9 0.9 6.4 3.6 3.6
80 1.0 6.4
100 0.8 8.0
125 0.6 0.5 0.6 9.4 7.8 6.0