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Current-carrying capacity of cables for fixed installation and at working temperatur of 70 oC, indoor

Operating temperature at conductor 70oC, ambient temperature 30oC

Types H07V-U etc. NYM, NYY etc. H07V-U etc. NYM, NYY etc.
Installation
In thermally insulated wall
In insulating tubes		 Single core cables in insulating tubes, in a thermally insulated wall

 Multicore sheathed cables in insulating tubes, in a thermally insulated wall
 Single core cables in insulating tubes on a wall

 Multicore cables or multicure sheathed cables in unsulating tubes on a wall
Installation method1) A1 A2 B1 B2
Nr. of loaded cores
2 3
2 3
2 3
2 3
Cross-section (mm2) (A) (A) (A) (A)
1,5
15,52) 13,5
15,52) 13,0
17,5 15,5
16,5 15,0
2,5
19,5 18,0
18,5 17,5
24 21
23 20
4
26 24
25 23
32 28
30 27
6
34 31
32 29
41 36
38 34
10
46 42
43 39
57 50
52 46
10
- -
- -
- -
- 47,173)
16
61 56
57 52
76 68
69 62
25
80 73
75 68
101 89
90 80
35
99 89
92 83
125 110
111 99
50
119 108
110 99
151 134
133 118
70
151 136
139 125
192 171
168 149
95
182 164
167 150
232 207
201 179
120
210 188
192 172
269 239
232 206
150
240 216
219 196
- -
- -
185
273 245
248 223
- -
- -
240
320 286
291 261
- -
- -
300
367 328
334 298
- -
- -

 

Conversion factors for deviating ambient temperature, grouping, installation under the ceiling, multicore cables and insulated wires - see DIN VDE 0298 part 4.

1) For further installation methods - see DIN VDE 0298 part 4
2) See DIN VDE 0298 part 4
3) Not permitted for the installation on a wooden wall and not for application of the conversion factors, see DIN VDE 0298 part 4

 

 

Operating temperature at conductor 70oC, ambient temperature 30oC

Types H07V-U etc. NYM, NYY etc.
Installation
Directly
In open air		 Single core or multicore cables or single or multicore sheathed cables on a wall

 Multicore cables or multicore sheathed cables with a space of minimum 0,3 x diameter to wall
Installation method1) C E
Nr. of loaded cores
2 3
2 3
Cross-sections (mm2) (A) (A)
1,5
19,5 17,5
22 18,5
2,5
27 24
30 25
4
36 32
40 34
4
- 33,022)
- -
6
46 41
51 43
10
63 57
70 60
10
- 59,432)
- -
16
85 76
94 80
25
112 96
119 101
35
138 119
148 126
50
168 144
180 153
70
213 184
232 196
95
258 223
282 238
120
299 259
328 276
150
344 299
379 319
185
392 341
434 364
240
461 403
514 430
300
530 464
593 497

 

Conversion factors for deviating ambient temperature, grouping, installation under the ceiling, multicore cables and insulated wires - see DIN VDE 0298 part 4.

1) For further installation methods - see DIN VDE 0298 part 4
2) See DIN VDE 0298 part 4

 

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