Connecting
6.1 Electrical connection
Synchronous Motors 1FK7
30 Operating Instructions, 03/2011, 610.40700.40c
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, C and E 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] E [A]
Electronics (according to EN 60204-1)
0.20 - 4.3 4.4 4.4
0.50 - 7.5 7.5 7.8
0.75 - 9 9.5 10
Power (according to EN 60204-1)
0.75 8.6 8.5 9.8 10.4
1.00 10.3 10.1 11.7 12.4
1.50 13.5 13.1 15.2 16.1
2.50 18.3 17.4 21 22
4 24 23 28 30
6 31 30 36 37
10 44 40 50 52
16 59 54 66 70
25 77 70 84 88
35 96 86 104 110
50 117 103 125 133
70 149 130 160 171
95 180 165 194 207
120 208 179 225 240
Power (according to IEC 60364-5-52)
150 239
1)
206
1)
259
1)
276
1)
185 274
1)
235
1)
296
1)
315
1)
> 185 Values must be taken from the standard
1)
Extrapolated values
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