Page 38 - B_ELSB_Cat_2022_01_MCBs
P. 38
1/38 ELECTRICAL INSTALL ATION SOLUTIONS FOR BUILDINGS - TECHNICAL DETAILS 9AKK 107991 A8329
1
—
MCBs technical details
2
Limitation of specific let-through energy I t
S800B characteristics B, C, D and K
230/400 V let-through energy
125 A
100 100 A
80 A
63 A
50 A
40 A
Let-through energy [kA 2 s]
32 A
10
1 10
Prospective shot-circuit current (kA)
S800 U characteristics Z and K
240 V let-through energy
100
100 A
80 A
60
60 A
40 A
30 A
20 A
Let-through energy [kA 2 s] 10 A
10
1 2 10 50
Prospective short-circuit current [kA]
