Connection system
6.1 Power connection
1FT7 Synchronous Motors
224 Configuration Manual, (PFT7S) 01/2009, 6SN1197-0AD13-0BP2
Current-carrying capacity for power and signal cables
The current-carrying capacity of PVC/PUR-insulated copper cables is specified for routing
types B1, B2 and C under continuous operating conditions in the table with reference to an
ambient air temperature of 40 °C. For other ambient temperatures, the values must be
corrected by the factors from the "Derating factors" table.
Table 6- 1 Cable cross section and current-carrying capacity
Cross section Current-carrying capacity rms; AC 50/60 Hz or DC for routing type
[mm
2
] B1 [A] B2 [A] C [A]
Electronics (according to EN 60204-1)
0,20 - 4,3 4,4
0,50 - 7,5 7,5
0,75 - 9 9,5
Power (according to EN 60204-1)
0,75 8,6 8,5 9,8
1,00 10,3 10,1 11,7
1,50 13,5 13,1 15,2
2,50 18,3 17,4 21
4 24 23 28
6 31 30 36
10 44 40 50
16 59 54 66
25 77 70 84
35 96 86 104
50 117 103 125
70 149 130 160
95 180 165 194
120 208 179 225
Power (according to IEC 60364-5-52)
150 - - 344
185 - - 392
> 185 Values must be taken from the standard
Table 6- 2 Derating factors for power and signal cables
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
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