Siemens SIVACON S8 Operating Instructions Manual page 18

Method 2: Summation current of all feeders in the section  1500 A
Operating current of the
fuse links:
Disconnector
arrangement:
Size 00 and 1
(group formation not
permissible)
Size 2 and 3
A2
Size 00 to 2 0.90 x I
N
Size 3 0.85 x I
N
Installed in the section from the bottom to the top, descending from size 3 to size
00
Arrangement of disconnectors and blanking covers
A blanking cover with a height of 50 mm has to be allocated to every device with
size 00 and 1.
See method 1
of the fuse
of the fuse
8PQ9800-8AA57