series FFFixed power distribution networks in factories, warehouses, machine rooms, power distribution stations. For Alternating Current (50/60Hz), for single-phase systems (220/110V), three-phase systems (380/190V) and systems with voltages up to 1kV. For Direct Current, used in systems with voltages up to 1.5kV Installed in aerial trays, gutters or conduits, under roof or ladder under roof, buried in ducts or directly buried.
| Standard | ||
|---|---|---|
| Sheath | Conductors | |
| 3 Conductors | ![]() | ![]() ![]() ![]() |
| 4 Conductors | ![]() | ![]() ![]() ![]() ![]() |
| 5 Conductors | ![]() | ![]() ![]() ![]() ![]() ![]() |
| Nominal cross-section (mm²) | Electrical resistance in D.C. at 20°C (Ohm/km) | Electrical resistance in C.C. at 90°C (Ohm/km) | Inductive reactance at 50Hz (Ohm/Km) | Current-carrying capacity of cables in free air at 40°C as per IEC 364-5-523. Formations in cable ladder or perforated cable trays (Ampere) | Current-carrying capacity of cables directly buried at 25°C soil temperature and soil thermal resistance of 1 km/W as per IEC 364-5-523. (Ampere) | |||
|---|---|---|---|---|---|---|---|---|
| Multiconductor (1) | 4 Conductors (2) | 2 Conductors (3) | Multiconductor (4) | 2 Conductors (3) | Multiconductor (4) | |||
| | | | | | |||
| 1 | 19.5 | 24.86 | 0.107 | 0.114 | -- | -- | -- | -- |
| 1.5 | 13.3 | 16.96 | 0.1 | 0.107 | 23 | 20 | 32 | 28 |
| 2.5 | 7.98 | 10.18 | 0.093 | 0.1 | 31 | 28 | 44 | 37 |
| 4 | 4.95 | 6.31 | 0.088 | 0.095 | 43 | 36 | 57 | 48 |
| 6 | 3.3 | 4.21 | 0.083 | 0.09 | 54 | 47 | 72 | 61 |
| 10 | 1.91 | 2.44 | 0.078 | 0.085 | 74 | 65 | 97 | 83 |
| 16 | 1.21 | 1.54 | 0.075 | 0.082 | 100 | 86 | 129 | 107 |
| 25 | 0.78 | 0.99 | 0.075 | 0.083 | 128 | 109 | 166 | 141 |
| 35 | 0.554 | 0.707 | 0.073 | 0.081 | 160 | 137 | 200 | 168 |
| 50 | 0.386 | 0.493 | 0.073 | 0.08 | 195 | 166 | 238 | 199 |
| 70 | 0.272 | 0.348 | 0.071 | 0.079 | 250 | 213 | 292 | 243 |
| 95 | 0.206 | 0.264 | 0.07 | 0.077 | 304 | 257 | 351 | 293 |
| 120 | 0.161 | 0.207 | 0.07 | 0.077 | 354 | 299 | 399 | 333 |
| 150 | 0.129 | 0.167 | 0.07 | 0.077 | 409 | 345 | 448 | 373 |
| 185 | 0.106 | 0.138 | 0.07 | 0.077 | 468 | 394 | 508 | 425 |
| 240 | 0.0801 | 0.106 | 0.069 | 0.077 | 554 | 465 | 592 | 493 |
| 300 | 0.0641 | 0.086 | 0.069 | 0.076 | 640 | 537 | 669 | 559 |
(1) Calculation of Inductive reactance valid for three-conductor and five-conductor cables. (2) Calculation of Inductive reactance valid for four-conductor cables. (3) The values of current-carrying capacity informed, correspond to three conductor cable (two-conductor + protection conductor) (4) The values of current-carrying capacity informed, correspond to four-conductor, five-conductor.
| Cable Formation N° Cond. x cross-section (mm²) | External diameter mm | Weight kg/km | Code | Mat Number | Previous Code |
|---|---|---|---|---|---|
| 3x1 | 8.6 | 94 | XF 2x1+PE1 | 830001290 | FF 0310 Ne |
| 3x1.5 | 9.2 | 114 | XF 2x1.5+PE1.5 | 830001300 | FF 0315 Ne |
| 3x2.5 | 10.1 | 151 | XF 2x2.5+PE2.5 | 830001310 | FF 0325 Ne |
| 3x4 | 11.3 | 205 | XF 2x4+PE4 | 830001320 | FF 0340 Ne |
| 3x6 | 12.5 | 272 | XF 2x6+PE6 | 830001330 | FF 0360 Ne |
| 3x10 | 14.4 | 407 | XF 2x10+PE10 | 830001340 | FF 3100 Ne |
| 3x16 | 18.7 | 686 | XF 2x16+PE16 | 830001350 | FF 3160 Ne |
| 3x25 | 22.2 | 1016 | XF 2x25+PE25 | 830001360 | FF 3250 Ne |
| 3x35 | 24.7 | 1341 | XF 2x35+PE35 | 830001370 | FF 3350 Ne |
| 3x50 | 28.2 | 1823 | XF 2x50+PE50 | 830001380 | FF 3500 Ne |
| 3x70 | 32.8 | 2527 | XF 2x70+PE70 | 830001390 | FF 3700 Ne |
| 3x95 | 36.1 | 3191 | XF 2x95+PE95 | 830001400 | FF 3950 Ne |
| 3x120 | 41.0 | 4178 | XF 2x120+PE120 | 830001410 | FF 31200 Ne |
| 3x150 | 47.3 | 5293 | XF 2x150+PE150 | 830001420 | FF 31500 Ne |
| 3x185 | 52.3 | 6489 | XF 2x185+PE185 | 830001430 | FF 31850 Ne |
| 3x240 | 58.6 | 8410 | XF 2x240+PE240 | 830001440 | FF 32400 Ne |
| 3x300 | 66.2 | 10474 | XF 2x300+PE300 | 830001450 | FF 33000 Ne |
| 4x1 | 9.3 | 110 | XF 3x1+PE1 | 830001560 | FF 0410 Ne |
| 4x1.5 | 9.9 | 134 | XF 3x1.5+PE1.5 | 830001570 | FF 0415 Ne |
| 4x2.5 | 11.0 | 181 | XF 3x2.5+PE2.5 | 830001580 | FF 0425 Ne |
| 4x4 | 12.3 | 249 | XF 3x4+PE4 | 830001590 | FF 0440 Ne |
| 4x6 | 13.6 | 333 | XF 3x6+PE6 | 830001600 | FF 0460 Ne |
| 4x10 | 15.8 | 506 | XF 3x10+PE10 | 830001610 | FF 4100 Ne |
| 4x16 | 20.3 | 845 | XF 3x16+PE16 | 830001620 | FF 4160 Ne |
| 4x25 | 24.3 | 1259 | XF 3x25+PE25 | 830001630 | FF 4250 Ne |
| 4x35 | 27.1 | 1674 | XF 3x35+PE35 | 830001640 | FF 4350 Ne |
| 4x50 | 31.2 | 2300 | XF 3x50+PE50 | 830001650 | FF 4500 Ne |
| 4x70 | 36.3 | 3191 | XF 3x70+PE70 | 830001660 | FF 4700 Ne |
| 4x95 | 40.0 | 4039 | XF 3x95+PE95 | 830001670 | FF 4950 Ne |
| 4x120 | 46.0 | 5361 | XF 3x120+PE120 | 830001680 | FF 41200 Ne |
| 4x150 | 52.4 | 6689 | XF 3x150+PE150 | 830001690 | FF 41500 Ne |
| 4x185 | 57.9 | 8206 | XF 3x185+PE185 | 830001700 | FF 41850 Ne |
| 4x240 | 65.1 | 10681 | XF 3x240+PE240 | 830001710 | FF 42400 Ne |
| 4x300 | 73.6 | 13285 | XF 3x300+PE300 | 830001720 | FF 43000 Ne |
| 3x25+1x16 | 23.3 | 1154 | XF 3x25+PE16 | 830001730 | FF 2516 Ne |
| 3x35+1x16 | 25.4 | 1463 | XF 3x35+PE16 | 830001740 | FF 3516 Ne |
| 3x50+1x25 | 29.3 | 2026 | XF 3x50+PE25 | 830001750 | FF 5025 Ne |
| 3x70+1x35 | 34.0 | 2805 | XF 3x70+PE35 | 830001760 | FF 7035 Ne |
| 3x95+1x50 | 38.0 | 3615 | XF 3x95+PE50 | 830001770 | FF 9550 Ne |
| 3x120+1x70 | 43.2 | 4774 | XF 3x120+PE70 | 830001780 | FF 12070 Ne |
| 3x150+1x70 | 48.4 | 5805 | XF 3x150+PE70 | 830001790 | FF 15070 Ne |
| 3x185+1x95 | 53.7 | 7175 | XF 3x185+PE95 | 830001800 | FF 18595 Ne |
| 3x240+1x120 | 60.4 | 9336 | XF 3x240+PE120 | 830001810 | FF 240120 Ne |
| 3x300+1x150 | 68.5 | 11623 | XF 3x300+PE150 | 830001820 | FF 300150 Ne |
| 2x25+1x16 | 22.0 | 933 | XF 2x25+PE16 | 830001460 | FF 22516 Ne |
| 2x35+1x16 | 23.5 | 1156 | XF 2x35+PE16 | 830001470 | FF 23516 Ne |
| 2x50+1x25 | 27.3 | 1598 | XF 2x50+PE25 | 830001480 | FF 25025 Ne |
| 2x70+1x35 | 30.9 | 2159 | XF 2x70+PE35 | 830001490 | FF 27035 Ne |
| 2x95+1x50 | 35.1 | 2810 | XF 2x95+PE50 | 830001500 | FF 29550 Ne |
| 2x120+1x70 | 40.2 | 3732 | XF 2x120+PE70 | 830001510 | FF 212070 Ne |
| 2x150+1x70 | 43.8 | 4464 | XF 2x150+PE70 | 830001520 | FF 215070 Ne |
| 2x185+1x95 | 48.8 | 5555 | XF 2x185+PE95 | 830001530 | FF 218595 Ne |
| 2x240+1x120 | 54.9 | 7191 | XF 2x240+PE120 | 830001540 | FF 2240120 Ne |
| 2x300+1x150 | 62.3 | 8985 | XF 2x300+PE150 | 830001550 | FF 2300150 Ne |
| 3x25+2x16 | 24.8 | 1308 | XF 3x25/16+PE16 | 830001090 | FF 25216 Ne |
| 3x35+2x16 | 26.6 | 1609 | XF 3x35/16+PE16 | 830001100 | FF 35216 Ne |
| 3x50+2x25 | 31.2 | 2272 | XF 3x50/25+PE25 | 830001110 | FF 50225 Ne |
| 3x70+2x35 | 36.1 | 3139 | XF 3x70/35+PE35 | 830001120 | FF 70235 Ne |
| 3x95+2x50 | 40.6 | 4086 | XF 3x95/50+PE50 | 830001130 | FF 95250 Ne |
| 3x120+2x70 | 46.6 | 5473 | XF 3x120/70+PE70 | 830001140 | FF 120270 Ne |
| 3x150+2x70 | 51.0 | 6433 | XF 3x150/70+PE70 | 830001150 | FF 150270 Ne |
| 3x185+2x95 | 56.3 | 7954 | XF 3x185/95+PE95 | 830001160 | FF 185295 Ne |
| 3x240+2x120 | 63.7 | 10407 | XF 3x240/120+PE120 | 830001170 | FF 2402120 Ne |
| 3x300+2x150 | 72.3 | 12954 | XF 3x300/150+PE150 | 830001180 | FF 3002150 Ne |
| 4x25+1x16 | 25.7 | 1409 | XF 4x25+PE16 | 830001190 | FF 42516 Ne |
| 4x35+1x16 | 28.1 | 1812 | XF 4x35+PE16 | 830001200 | FF 43516 Ne |
| 4x50+1x25 | 33.1 | 2556 | XF 4x50+PE25 | 830001210 | FF 45025 Ne |
| 4x70+1x35 | 38.1 | 3515 | XF 4x70+PE35 | 830001220 | FF 47035 Ne |
| 4x95+1x50 | 42.3 | 4500 | XF 4x95+PE50 | 830001230 | FF 49550 Ne |
| 4x120+1x70 | 48.8 | 6006 | XF 4x120+PE70 | 830001240 | FF 412070 Ne |
| 4x150+1x70 | 54.5 | 7290 | XF 4x150+PE70 | 830001250 | FF 415070 Ne |
| 4x185+1x95 | 60.6 | 9032 | XF 4x185+PE95 | 830001260 | FF 418595 Ne |
| 4x240+1x120 | 67.9 | 11711 | XF 4x240+PE120 | 830001270 | FF 4240120 |
| 4x300+1x150 | 76.9 | 14564 | XF 4x300+PE150 | 830001280 | FF 4300150 Ne |
| 5x1 | 10.0 | 130 | XF 4x1+PE1 | 830000920 | FF 0510 Ne |
| 5x1.5 | 10.7 | 159 | XF 4x1.5+PE1.5 | 830000930 | FF 0515 Ne |
| 5x2.5 | 11.9 | 216 | XF 4x2.5+PE2.5 | 830000940 | FF 0525 Ne |
| 5x4 | 13.3 | 300 | XF 4x4+PE4 | 830000950 | FF 0540 Ne |
| 5x6 | 14.8 | 405 | XF 4x6+PE6 | 830000960 | FF 0560 Ne |
| 5x10 | 17.3 | 619 | XF 4x10+PE10 | 830000970 | FF 5100 Ne |
| 5x16 | 22.1 | 1025 | XF 4x16+PE16 | 830000980 | FF 5160 Ne |
| 5x25 | 26.5 | 1515 | XF 4x25+PE25 | 830000990 | FF 5250 Ne |
| 5x35 | 29.7 | 2022 | XF 4x35+PE35 | 830001000 | FF 5350 Ne |
| 5x50 | 34.8 | 2835 | XF 4x50+PE50 | 830001010 | FF 5500 Ne |
| 5x70 | 40.0 | 3889 | XF 4x70+PE70 | 830001020 | FF 5700 Ne |
| 5x95 | 44.7 | 4992 | XF 4x95+PE95 | 830001030 | FF 5950 Ne |
| 5x120 | 50.8 | 6539 | XF 4x120+PE120 | 830001040 | FF 51200 Ne |
| 5x150 | 57.8 | 8155 | XF 4x150+PE150 | 830001050 | FF 51500 Ne |
| 5x185 | 64.6 | 10098 | XF 4x185+PE185 | 830001060 | FF 51850 Ne |
| 5x240 | 72.1 | 13065 | XF 4x240+PE240 | 830001070 | FF 52400 Ne |
| 5x300 | 82.0 | 16317 | XF 4x300+PE300 | 830001080 | FF 53000 Ne |