AS/NZS 3000:2018
Table 8.2
Maximum resistance of final subcircuits at 80 % rated current
The test results and test schedule tools read the highest resistance of the circuit conductors for the device, its rating and the conductor size.
Verified: read against the printed standard, pages 428. Checked 26 Sept 2026.
Units: Rating A A, Active mm², Earth mm², Rphe Ω, Re Ω
These are the values AmpSize encodes. No text of the standard is reproduced. Verify against the current standard.
11 rows
| Rating A | Active (mm²) | Earth (mm²) | B rphe | B re | C rphe | C re | D rphe | D re | Fuse 04 rphe | Fuse 04 re | Fuse 5 rphe | Fuse 5 re |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 6 | 1 | 1 | 6.1 | 3.1 | 3.3 | 1.6 | 2 | 1 | 7.4 | 3.7 | 9.8 | 4.9 |
| 10 | 1 | 1 | 3.7 | 1.8 | 2 | 1 | 1.2 | 0.6 | 4.1 | 2 | 5.9 | 2.9 |
| 10 | 1.5 | 1.5 | 3.7 | 1.8 | 2 | 1 | 1.2 | 0.6 | 4.1 | 2 | 5.9 | 2.9 |
| 16 | 1.5 | 1.5 | 2.3 | 1.2 | 1.2 | 0.6 | 0.7 | 0.4 | 2 | 1 | 3.2 | 1.6 |
| 16 | 2.5 | 2.5 | 2.3 | 1.2 | 1.2 | 0.6 | 0.7 | 0.4 | 2 | 1 | 3.2 | 1.6 |
| 20 | 2.5 | 2.5 | 1.8 | 0.9 | 1 | 0.5 | 0.6 | 0.3 | 1.3 | 0.7 | 2.3 | 1.1 |
| 25 | 4 | 2.5 | 1.5 | 0.9 | 0.8 | 0.5 | 0.5 | 0.3 | 1 | 0.6 | 1.7 | 1.1 |
| 32 | 4 | 2.5 | 1.2 | 0.7 | 0.6 | 0.4 | 0.4 | 0.2 | 0.8 | 0.5 | 1.4 | 0.9 |
| 40 | 6 | 2.5 | 0.9 | 0.6 | 0.5 | 0.3 | 0.3 | 0.2 | 0.6 | 0.4 | 1 | 0.7 |
| 50 | 10 | 4 | 0.7 | 0.5 | 0.4 | 0.3 | 0.2 | 0.2 | 0.5 | 0.3 | 0.8 | 0.6 |
| 63 | 16 | 6 | 0.6 | 0.4 | 0.3 | 0.2 | 0.2 | 0.1 | 0.4 | 0.3 | 0.6 | 0.4 |