series BX 3+3
Symmetrical three-conductor - shielded (3+3)
Variable frequency drive motor feed. (VFD) For Alternating Current (50/60Hz), for three-phase systems (380/190V) and systems with voltages up to 1kV. Installed in aerial trays, gutters or conduits, under roof or ladder under roof, buried in ducts or directly buried.
Features
Temperature rating: 90ºC (operating), 130ºC (overload), 250ºC (short circuit)
Voltage rating: 600/1000V AC, maximum 1200V AC / 1500V DC
Construction requirements: As per IRAM 2178-1 – IEC 60502-1
Conductor requirements: As per IRAM NM 280 – IEC 60228
Conductor: Annealed electrolytic copper - Flexible stranding class 5
Insulation: XLPE (Crosslinked polyethylene)
Conductor assembly: 3 phases + 3 protective conductors (PE) in between the phase’s interstices, making a symmetrical cable
Bedding: PVC
Shield: Copper tape (if necessary) with adequate overlap and 100% coverage. See the table for shield cross-section values.
Sheath: PVC, fire-retardant
Fire requirements: As per IEC 60332-1
Outdoors requirements: As per UL 2556 (UV rays)
Electromagnetic interference protection
Flame retardant
Flexible stranded conductors
UV resistant
Sequentially marked
Industrial applications
Identification
| Standard | ||
|---|---|---|
| Sheath | Conductors | |
| 3 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 sq (mm²) | Nominal cross-section PE earthing conductors (mm²) | Nominal cross-section Concentric conductorsq (mm²) | Electrical resistance at 20°C in C.C. Ohm/km | Electrical resistance at 20°C in C.C. Concentric conductor Ohm/km | Electrical resistance at 90°C en C.C. Ohm/km | Electrical resistance at 90°C en C.C. Concentric conductor 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. Cables displayed in Cable Ladder or perforated tray. (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) |
|---|---|---|---|---|---|---|---|---|---|
 | | | |||||||
| 2.5 | 1 | 0.5 | 7.98 | 3.3 | 10.18 | 4.21 | 0.093 | 28 | 37 |
| 4 | 1.5 | 0.5 | 4.95 | 3.3 | 6.31 | 4.21 | 0.088 | 36 | 48 |
| 6 | 2.5 | 0.75 | 3.3 | 3.3 | 4.21 | 4.21 | 0.083 | 47 | 61 |
| 10 | 4 | 1 | 1.91 | 1.91 | 2.44 | 2.44 | 0.078 | 65 | 83 |
| 16 | 6 | 2.5 | 1.21 | 1.21 | 1.54 | 1.54 | 0.075 | 86 | 107 |
| 25 | 6 | 2.5 | 0.78 | 1.21 | 0.99 | 1.54 | 0.075 | 109 | 141 |
| 35 | 6 | 4 | 0.554 | 1.210 | 0.707 | 1.54 | 0.073 | 137 | 168 |
| 50 | 10 | 6 | 0.386 | 0.780 | 0.493 | 0.99 | 0.073 | 166 | 199 |
| 70 | 16 | 10 | 0.272 | 0.554 | 0.348 | 0.707 | 0.071 | 213 | 243 |
| 95 | 16 | 10 | 0.206 | 0.386 | 0.264 | 0.493 | 0.070 | 257 | 293 |
| 120 | 25 | 16 | 0.161 | 0.272 | 0.207 | 0.348 | 0.070 | 299 | 333 |
| 150 | 25 | 16 | 0.129 | 0.272 | 0.167 | 0.348 | 0.070 | 345 | 373 |
| 185 | 35 | 25 | 0.106 | 0.206 | 0.138 | 0.264 | 0.070 | 394 | 425 |
| 240 | 50 | 25 | 0.0801 | 0.161 | 0.106 | 0.207 | 0.069 | 465 | 493 |
| 300 | 50 | 35 | 0.0641 | 0.129 | 0.0860 | 0.167 | 0.069 | 537 | 559 |
DIMENSIONS & WEIGHT
| Cable formation N° Cond. x cross-section (mm²) | Diameter under shield mm | External diameter mm | Weight kg/km | Code |
|---|---|---|---|---|
| 3 x 2.5 + 3 x 1 | 11.4 | 14.7 | 294 | BX 0325 0310 /10 |
| 3 x 4 + 3 x 1.5 | 12.5 | 15.8 | 365 | BX 0340 0315 /10 |
| 3 x 6 + 3 x 2.5 | 14.2 | 17.5 | 472 | BX 0360 0325 /10 |
| 3 x 10 + 3 x 4 | 16.3 | 19.6 | 671 | BX 3100 0340 /10 |
| 3 x 16 + 3 x 6 | 18.8 | 22.1 | 915 | BX 3160 0360 /10 |
| 3 x 25 + 3 x 6 | 20.7 | 24.1 | 1,232 | BX 3250 0360 /10 |
| 3 x 35 + 3 x 6 | 21.9 | 25.3 | 1,529 | BX 3350 0360 /10 |
| 3 x 50 + 3 x 10 | 25.9 | 29.5 | 2,139 | BX 3500 3100 /10 |
| 3 x 70 + 3 x 16 | 30.8 | 35.6 | 3,030 | BX 3700 3160 /10 |
| 3 x 95 + 3 x 16 | 34.6 | 38.6 | 3,768 | BX 3950 3160 /10 |
| 3 x 120 + 3 x 25 | 38.3 | 43.7 | 4,884 | BX 31200 3250 /10 |
| 3 x 150 + 3 x 25 | 44.1 | 49.7 | 5,975 | BX 31500 3250 /10 |
| 3 x 185 + 3 x 35 | 47.9 | 53.8 | 7,324 | BX 31850 3350 /10 |
| 3 x 240 + 3 x 50 | 55.3 | 61.5 | 9,612 | BX 32400 3500 /10 |
| 3 x 300 + 3 x 50 | 61.7 | 68.1 | 11,732 | BX 33000 3500 /10 |