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410mm2 Hi-STACIR/VAR technology parameter table of ф4.5 STAL single wire
| Type of conductor | 410mm² Hi-STACIR/VAR | ||
| Maker/Country of origin | China | ||
| Standard | T-CEEIA 431-2020 | ||
| T-CEEIA 429-2020 | |||
| IEC62004 | |||
| Structure diagram |  |
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| The appearance and surface quality | Stranded wire surface with no visible defects, without any defects that do not match the requirements | ||
| Stranding and diameter of wire | STAL | mm | 26/4.5 |
| LBY | mm | 7/3.5 | |
| Calculated cross-sectional area | Total area | mm² | 480.8 |
| STAL | mm² | 413.5 | |
| LBY | mm² | 67.3 | |
| Overall diameter | mm | 28.5 | |
| Unit weight of conductor(without grease) | kg/km | 1641.71 | |
| DC Resistance at 20℃ | Ω/km | 0.0691 | |
| Rated Strength | kN | 130.35 | |
| Elasticity module | up to Transition temp. | GPa | 69.7 |
| above transition temp. | GPa | 160 | |
| thermal expansion coefficient | up to Transition temp. | 1/℃ | 16.6*10-6 |
| above transition temp. | 1/℃ | 3.0*10-6 | |
| Permissible operating temperature | ℃ | 210 | |
| Conductor allows short – term operating | ℃ | 240 | |
| Ampacity （210℃） | A | 1600 | |
| Lay ratio | Aluminum clad Invar core layer | / | 16～26 |
| STAL inner layer | / | 10～16 | |
| STAL outer layer | / | 10～14 | |
| For strands with multiple layers | / | The ratio of pitch diameter of any layer shall not be greater than that of the adjacent inner layer | |
| direction of | Outer layer | / | Right hand |
| lay | Other layers | / | Adjacent layers should be twisted opposite |
