Siemens SINAMICS S120 - Page 715

Cabinet design and EMC Booksize
12.7 Connection systems
Booksize Power Units
Manual, (GH2), 07/2016, 6SL3097-4AC00-0BP8
715
Table 12- 19 Current carrying capacity according to IEC 60364-5-52 for 40° C ambient temperature
Cross-section
Current carrying capacity, effective; AC 50/60 Hz or DC
For routing type
mm
2
B1
A
B2
A
C
A
Power cables
150
–
–
260
185 – – 297
> 185 Values must be taken
from the standard
Table 12- 20 Derating factors for deviating ambient temperatures
Ambient air temperature [° C]
Derating factor according to EN 60204-1, Table
D1
30 1.15
35
1.08
40
1.00
45
0.91
50
0.82
55
0.71
60
0.58