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PFA Isolation
Unarmoured cables: 6 x Outer diameter
Armored cables: 12 x Outer diameter
40N/mm² applied on copper conductors.
| Conductor | Bare copper wires, soft temper. Stringing: Class 5, according to NBR NM 280, flexible. |
|---|---|
| Isolation | PVC/A thermoplastic compound, black numbered sequentially. |
| Cover | PVC thermoplastic compound, type PVC/ST1, in black, with rip cord. |
Upon request, instrumentation cables can be manufactured with the following construction options:
| Conductor | Tinned copper; Class 2 copper. |
|---|---|
| Identification | Colored veins; Green/yellow vein (protective conductor). |
| Isolation | PVC/EB (105°C); Polyethylene PE (70°C). |
| Shielding | Braid + copper tape (E+B). |
| Frame | Helical Steel Wire (SWA). |
| Cover | PE (Polyethylene ST3); PVC/ST2 (105°C); Cylindrical finish - Classified areas. |
| Color | Other colors on request. |
| NBR NM 280 | Insulated cable conductors (IEC 60228 MOD). |
|---|---|
| NBR 6251 | Power cables with extruded insulation for voltages from 1kV to 35kV. |
| NBR 10300 | Control cables with extruded insulation of XLPE or EPR for voltages up to 1kV. |
| IEC 60502-1 | Power cables with extruded insulation for voltages from 1kV to 30kV. |
| Voltage test | 1.5 kV / 5 minutes: 500V (0.5 to 1.0 mm²) |
|---|---|
| Resistence test of isolation | 300 to 500V / 1 to 5 minutes. |
| Section (mm2) | Max. DCR @20ºC (ohm/km) |
|---|---|
| 0,5 | 39 |
| 0,75 | 26 |
| 1,0 | 19,5 |
| 1,5 | 13,3 |
| 2,5 | 7,98 |
| 4,0 | 4,95 |
| 6,0 | 3,30 |
| 10 | 1,91 |
Maximum traction: 40 N/mm² applied on copper conductors
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