Siemens SIVACON S8 Instructivo De Instalación página 13

Configuration notes
Configuration rule for ventilated sections with plug-in disconnectors SASIL / SASIL+:
The rated diversity factor (RDF) in accordance with IEC 61439-1/2 is applicable to the completely equipped section. Non-observance
of these notes may result in premature ageing of fuses and their uncontrolled tripping due to local overheating.
All data refer to an ambient power distribution board temperature of 35 °C in 24 h-average.
Conversion factors for other ambient temperatures
Ambient temperature of the board [°C]
Conversion factor
Total design currents of all branches at the
section
Cubicle strip layout:
Strip size Group
formation
Size 3 Not permissible
Size 2 Not permissible
Size 1 Total design currents of the group
365 A
Size 00
Total design currents of the group
319 A
*) below the lowest disconnectorl at the section only one blanking cover instead of two or rather no blanking cover instead of one necessary
8PQ9800-7AA83
20 25 30 35
1,10 1,07 1,04 1,00
1885 A (1 x 80 x 10)
1415 A (1 x 60 x 10)
Assembling at the section from below to above, from size 3 to size 00 decreasing
Blanking cover
75 mm high with ventilation slot
Per 2
Blanking cover above and below*)
Per 1
Blanking cover above and below*)
Per 1
Blanking cover above and below*)
Per 1
Blanking cover above and below*)
40 45 50 55
0,96 0,93 0,89 0,85
Example
disconnector
disconnector
size 3
disconnector
disconnector
disconnector
size2
disconnector
disconnector
Leiste BG 2
discon. size 1
discon. size 1
disconnector
disconnector
Leiste BG 2
discon. size 00
discon. size 00
disconnector
nominal design-
current current
NH-link
182 A
182 A
250 A
250 A 364 A
total
nominal design-
current current
NH-link
76 A
100 A 76 A
100 A 60 A
80 A 212 A
total:
a2