AS/NZS 3000:2018
Table 8.1, Ngā whakareatanga B4.5
Maximum earth fault loop impedance multipliers by MCB curve
The loop impedance and cable size tools read the highest loop impedance a circuit may have for its device curve and rating. The measured or calculated Zs is compared with it.
Kua manatokotia: pānuitia ki te paerewa tā, whārangi 427, 449. I tirohia 27 Sept 2026.
Ngā unit: Multiplier ×In
Ko ēnei ngā uara e tuhia ana e AmpSize. Kāore he kupu o te paerewa e tuhia ana. Whakamanahia ki te paerewa o nāianei.
3 rārangi
| Curve | Multiplier (×In) |
|---|---|
| B | 4 |
| C | 7.5 |
| D | 12.5 |
Ngā taputapu e pānui ana i tērā (6)
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