Current ratings for HO7-RNF for current supply in industrial application

operating temperature at conductor 60C ambient temperature 30C air .

Number of cores 1 core 2 cores 3 cores 3 cores 4 cores 5 cores
Number of loaded cores 2 cores
loaded		 3 cores
1oaded		 2 cores
loaded		 2 cores
loaded		 3 cores
loaded		 3 cores
loaded		 3 cores
loaded
Cross section mm2
Current ratings in ampere(A)
4.0 34 30 34 35 29 30 30
6.0 43 38 43 44 36 37 38
10.0 60 53 60 62 51 52 54
16.0 79 71 79 82 67 69 71
25.0 104 94 105 109 89 92 94
35.0 129 117 135 110 114
50.0 162 148 169 138 143
70.0 202 185 211 172 178
95.0 240 222 250 204 210
120.0 280 260 292 238 246
150.0 321 300 335 273 282
185.0 363 341 378 309 319
240.0 433 407 447 365 377
300.0 497 468 509 415 430
40.0 586 553
500.0 670 634
630.0 784 742

For the method of installation

Single core cables are bunched (unit form). 2 cores cables laid parallel with contact .3 cores cables are in triangle-form

 

Conversion factors for deviating ambient temperature 

Ambient temperatureat air 30C 30 35 40 45 50 55
Factor 1.0 0.91 0.82 0.71 0.58 0.41