series EFC
Three-conductor to five-conductor
Fixed power distribution networks in closed environments with a high concentration of people (airports, hospitals, trains, cinemas, shopping malls, tunnels) and in control rooms with electronic equipment sensitive to exposure to corrosive gases. 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 conduits, trays, cable ladders, in direct open air or indoors, buried in a trench or in ducts.
Features
Temperature rating: 90ºC (operating),130°C (overload) and 250°C (short circuit)
Voltage rating: 600/1000V AC, maximum 1200V AC / 1500V DC
Construction requirements: As per IRAM 62266 – IEC 60502-1
Conductor requirements: As per IRAM NM 280 – IEC 60228
Conductor: Annealed electrolytic copper - Flexible stranding class 5
Insulation: XLPE (crosslinked polyethylene)
Sheath: LSZH-HFFR (Low Smoke Zero Halogen - Halogen Free Flame Retardant) flame retardant, sunlight, and oil resistant
Fire requirements: As per IEC 60332-3-24
Standard for halogen absence and corrosive gases: As per IEC 60754-1/2
Smoke transparency requirements: As per IEC 61034-1/2
Toxicity standard: As per NES 713 – CEI 20.37
Oils requirements: As per ICEA S 73-532
Outdoors requirements: As per UL 2556 (UV rays)
Water behaviour requirements: Suitable AD7 (Occasional water submersion)
Fire-retardant
Halogen free
Low smoke
Grounded conductor
Flexible stranded conductors
UV resistant
Identification
| Standard | ||
|---|---|---|
| Sheath | Conductors | |
| 3 Conductors |  |    |
| 4 Conductors | |  |
| 5 Conductors | | |
Instalation
Constructive variants
The information provided corresponds to the standard version, and different alternatives of insulation and / or covering materials can be used upon request.
ELECTRICAL CHARACTERISTICS
Resistances, reactance and intensity of admissible currents
| 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 |
| 400 | 0.0486 | 0.0675 | -- | -- | -- | -- | -- | -- |
| 500 | 0.0384 | 0.0557 | -- | -- | -- | -- | -- | -- |
| 630 | 0.0287 | 0.0451 | -- | -- | -- | -- | -- | -- |
(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.
DIMENSIONS & WEIGHT
| Cable Formation N° Cond. x cross-section (mm²) | External diameter mm | Weight kg/km | Code |
|---|---|---|---|
| 3 x 1 | 8.6 | 98 | EFC 0310 |
| 3 x 1.5 | 9.2 | 117 | EFC 0315 |
| 3 x 2.5 | 10.1 | 155 | EFC 0325 |
| 3 x 4 | 11.3 | 210 | EFC 0340 |
| 3 x 6 | 12.5 | 278 | EFC 0360 |
| 3 x 10 | 14.4 | 415 | EFC 3100 |
| 3 x 16 | 19.3 | 716 | EFC 3160 |
| 3 x 25 | 22.8 | 1050 | EFC 3250 |
| 3 x 35 | 25.3 | 1378 | EFC 3350 |
| 3 x 50 | 28.8 | 1864 | EFC 3500 |
| 3 x 70 | 33.4 | 2574 | EFC 3700 |
| 3 x 95 | 36.7 | 3242 | EFC 3950 |
| 3 x 120 | 41.6 | 4236 | EFC 31200 |
| 3 x 150 | 47.9 | 5358 | EFC 31500 |
| 3 x 185 | 52.9 | 6559 | EFC 31850 |
| 3 x 240 | 59.4 | 8513 | EFC 32400 |
| 3 x 300 | 67 | 10590 | EFC 33000 |
| 4 x 1 | 9.3 | 114 | EFC 0410 |
| 4 x 1.5 | 9.9 | 138 | EFC 0415 |
| 4 x 2.5 | 11 | 185 | EFC 0425 |
| 4 x 4 | 12.3 | 254 | EFC 0440 |
| 4 x 6 | 13.6 | 340 | EFC 0460 |
| 4 x 10 | 15.8 | 514 | EFC 4100 |
| 4 x 16 | 20.9 | 877 | EFC 4160 |
| 3 x 25 + 1 x 6 | 23.9 | 1191 | EFC 2516 |
| 3 x 35 + 1 x 16 | 26 | 1503 | EFC 3516 |
| 3 x 50 + 1 x 25 | 29.9 | 2070 | EFC 5025 |
| 3 x 70 + 1 x 35 | 34.6 | 2855 | EFC 7035 |
| 3 x 95 + 1 x 50 | 38.6 | 3672 | EFC 9550 |
| 3 x 120 + 1 x 70 | 43.8 | 4838 | EFC 12070 |
| 3 x 150 + 1 x 70 | 49 | 5875 | EFC 15070 |
| 3 x 185 + 1 x 95 | 54.3 | 7253 | EFC 18595 |
| 3 x 240 + 1 x 120 | 61.2 | 9450 | EFC 240120 |
| 3 x 300 + 1 x 150 | 69.3 | 11751 | EFC 300150 |
| 5 x 1 | 10.2 | 138 | EFC 0510 |
| 5 x 1.5 | 11 | 168 | EFC 0515 |
| 5 x 2.5 | 12.2 | 226 | EFC 0525 |
| 5 x 4 | 13.4 | 308 | EFC 0540 |
| 5 x 6 | 15.2 | 418 | EFC 0560 |
| 5 x 10 | 18 | 656 | EFC 5100 |
| 5 x 16 | 23.2 | 1,076 | EFC 5160 |
| 5 x 25 | 27.5 | 1,571 | EFC 5250 |
| 5 x 35 | 30.2 | 2,073 | EFC 5350 |
| 5 x 50 | 35.3 | 2,898 | EFC 5500 |
| 5 x 70 | 41.4 | 4,027 | EFC 5700 |
| 5 x 95 | 47.6 | 5,264 | EFC 5950 |
| 5 x 120 | 52.2 | 6,625 | EFC 51200 |
| 5 x 150 | 59.6 | 8,261 | EFC 51500 |
| 5 x 185 | 65.2 | 10,011 | EFC 51850 |
| 5 x 240 | 74.3 | 13,041 | EFC 52400 |
| 5 x 300 | 83.2 | 16,287 | EFC 53000 |