How Is Cable Cross-Section Selected? A Practical Guide
Why load current, installation method, ambient temperature, voltage drop and protective-device coordination must be assessed together.
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Cable
H07V-K — Fine-Stranded Flexible PVC Wire
H07V-K is a 450/750 V harmonised flexible wire with a fine-stranded copper conductor and PVC insulation for larger panel connections.
Technical Specifications
Construction Standard
TSE EN 50525-2-31; TSE IEC 60227; VDE 0281
Conductor Construction
Fine-stranded copper conductor
Insulation
PVC
Conductor Resistance Standard
TS EN 60228
Rated Voltage
450/750 V
Test Voltage
1.5–2 kV
Minimum Bending Diameter
6xD
Insulation Compound
PVC(TI1)
Insulation Colour Standard
TS 9758
Maximum Operating Temperature
70 °C
Flame Test Standard
TS EN 60332-1-2
Application Areas
Distribution and control panels, switchgear, protected internal machine connections and fixed 450/750 V systems requiring flexible installation.
H07V-K is EVA Cable’s 450/750 V fine-stranded flexible PVC wire for distribution boards, switchgear and protected machine wiring.
It is suitable for distribution and control panels, switchgear, protected internal machine wiring and fixed systems that require flexibility during installation. The wire should be protected from continuous external mechanical stress and terminated with fittings suitable for fine strands.
Current capacity, installation method, temperature and voltage drop should be considered when selecting the conductor size.
It is suitable for distribution and control panels, switchgear, protected internal machine wiring and fixed systems that require flexibility during installation. The wire should be protected from continuous external mechanical stress and terminated with fittings suitable for fine strands.
Current capacity, installation method, temperature and voltage drop should be considered when selecting the conductor size.
Technical Symbols
European Conformity
RoHS Compliant
REACH Compliant
+70 °C
+160 °C
Flexible Cable
TS EN 60332-1-2
Technical Tables
| Dimensions and Weights | Electrical Properties | |||||
|---|---|---|---|---|---|---|
| Nominal Cross Section | Overall Diameter | Net Weight | Standard Delivery Length | Maximum DC Conductor Resistance at 20 °C | Current Carrying Capacity in Ground | Current Carrying Capacity in Air |
| mm² | mm | kg / km | m | ohm / km | A | A |
| 1.50 | 3.0 | 20 | 100 | 13.3 | 15 | 24 |
| 2.50 | 3.6 | 32 | 100 | 7.98 | 20 | 32 |
| 4 | 4.2 | 50 | 100 | 4.95 | 25 | 42 |
| 6 | 4.8 | 70 | 100 | 3.30 | 33 | 54 |
| 10 | 6.5 | 115 | 100 | 1.91 | 45 | 73 |
| 16 | 8.0 | 175 | 100 | 1.21 | 61 | 98 |
| 25 | 10.0 | 270 | 1000 | 0.780 | 83 | 129 |
| 35 | 11.0 | 370 | 1000 | 0.554 | 103 | 158 |
| 50 | 13.5 | 525 | 1000 | 0.386 | 132 | 198 |
| 70 | 15.0 | 700 | 1000 | 0.272 | 165 | 245 |
| 95 | 17.5 | 970 | 1000 | 0.206 | 197 | 292 |
| 120 | 19.5 | 1200 | 1000 | 0.161 | 235 | 344 |
| 150 | 22.0 | 1500 | 1000 | 0.129 | - | 391 |
| 185 | 24.0 | 1860 | 1000 | 0.106 | - | 448 |
| 240 | 27.5 | 2400 | 1000 | 0.0801 | - | 528 |
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