Siemens SIVACON S8 Manual De Instrucciones página 19

Configuration notes
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 disconnector at the section only one blanking cover instead of two or rather no blanking cover instead of one necessary.
A blanking cover is generally positioned at the top of the device compartment.
8PQ9800-7AA83
20 25 30 35
1,10 1,07 1,04 1,00
≤ 1885 A (cross section of vertical bar 1 x 80 x 10)
≤ 1415 A (cross section of vertical bar 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 1
Blanking cover above and below*)
Per 1
Blanking cover above and below*)
Per 1
Blanking cover below*)
Per 1
Blanking cover below*)
40 45 50 55
0,96 0,93 0,89 0,85
Example
disconnector
size 3
disconnector
size2
discon. size 1
discon. size 1
LeisteBG
00
discon. size 00
discon. size 00
discon. size 00
LeisteBG
00
LeisteBG
00
nominal design-
current current
NH-link
250 A 182 A
250 A 182 A
total: 364 A
nominal design-
current current
NH-link
100 A 76 A
100 A 76 A
80 A 60 A
total: 212 A
A2