LV cable sizing per IEC 60364-5-52 — current-carrying capacity and voltage-drop verification, plus derating, short-circuit withstand, CPC sizing and lifecycle cost as subscriber features.
IEC 60364-5-52 / IEC 60364-5-54
Generated
For preliminary engineering use only — always verify results against project-specific standards and a qualified engineer's review before use in a real design.
Every standard size evaluated against ampacity and voltage-drop. The smallest size that passes both is selected above.
| Size (mm²) | Base ampacity (A) | Derated Iz (A) | Ampacity | Volt drop | Overall |
|---|---|---|---|---|---|
| 1.5 | 17.5 | 17.5 | ✕ | ✕ 42.25% | FAIL |
| 2.5 | 24.0 | 24.0 | ✕ | ✕ 25.69% | FAIL |
| 4 | 32.0 | 32.0 | ✕ | ✕ 16.10% | FAIL |
| 6 | 41.0 | 41.0 | ✕ | ✕ 10.72% | FAIL |
| 10 | 57.0 | 57.0 | ✕ | ✕ 6.47% | FAIL |
| 16 | 76.0 | 76.0 | ✕ | ✓ 4.07% | FAIL |
| 25 | 96.0 | 96.0 | ✓ | ✓ 2.64% | PASS |
| 35 | 119.0 | 119.0 | ✓ | ✓ 1.92% | PASS |
| 50 | 144.0 | 144.0 | ✓ | ✓ 1.45% | PASS |
| 70 | 184.0 | 184.0 | ✓ | ✓ 1.01% | PASS |
| 95 | 223.0 | 223.0 | ✓ | ✓ 0.76% | PASS |
| 120 | 259.0 | 259.0 | ✓ | ✓ 0.61% | PASS |
| 150 | 299.0 | 299.0 | ✓ | ✓ 0.51% | PASS |
| 185 | 341.0 | 341.0 | ✓ | ✓ 0.42% | PASS |
| 240 | 403.0 | 403.0 | ✓ | ✓ 0.35% | PASS |
| 300 | 464.0 | 464.0 | ✓ | ✓ 0.30% | PASS |
| 400 | — | — | n/a | ✓ 0.24% | n/a for method |
| 500 | — | — | n/a | ✓ 0.21% | n/a for method |
| 630 | — | — | n/a | ✓ 0.18% | n/a for method |