Hoʻohana nui ʻia ka mea hoʻomehana haʻahaʻa keleawe i ka mea haki kaapuni haʻahaʻa voltage, ka relay overload thermal, a me nā huahana uila haʻahaʻa voltage ʻē aʻe. ʻO ia kekahi o nā mea nui o nā huahana uila haʻahaʻa voltage. Loaʻa i nā mea i hana ʻia e kā mākou hui nā ʻano o ke kūpaʻa kūpaʻa maikaʻi a me ke kūpaʻa kiʻekiʻe. Hiki iā mākou ke hoʻolako i nā ʻano uea poepoe, nā mea pālahalaha a me nā mea pepa.
CuNi34ʻO ia kekahi o nā mea nui o nā huahana uila haʻahaʻa-voltage. Hoʻohana nui ʻia ia i ka mea haki kaapuni haʻahaʻa-voltage, nā pale uila, ka relay overload thermal a me nā huahana uila haʻahaʻa-voltage ʻē aʻe.
Moʻo metala keleawe nikala: Constantan CuNi40 (6J40), CuNi1, CuNi2, CuNi6, CuNi8, CuNi10, CuNi14, CuNi19, CuNi23,CuNi30, CuNi34, CuNi44.
Nā papa nui a me nā waiwai
| ʻAno | Ke kū'ē uila (20 kekelēΩ mm²/m) | ka helu mahana o ke kū'ē (10^6/kekelē) | Nā lua kēia g/mm² | Mahana kiʻekiʻe loa (°c) | Kiko heheʻe (°c) |
| CuNi1 | 0.03 | <1000 | 8.9 | / | 1085 |
| CuNi2 | 0.05 | <1200 | 8.9 | 200 | 1090 |
| CuNi6 | 0.10 | <600 | 8.9 | 220 | 1095 |
| CuNi8 | 0.12 | <570 | 8.9 | 250 | 1097 |
| CuNi10 | 0.15 | <500 | 8.9 | 250 | 1100 |
| CuNi14 | 0.20 | <380 | 8.9 | 300 | 1115 |
| CuNi19 | 0.25 | <250 | 8.9 | 300 | 1135 |
| CuNi23 | 0.30 | <160 | 8.9 | 300 | 1150 |
| CuNi30 | 0.35 | <100 | 8.9 | 350 | 1170 |
| CuNi34 | 0.40 | -0 | 8.9 | 350 | 1180 |
| CuNi40 | 0.48 | ±40 | 8.9 | 400 | 1280 |
| CuNi44 | 0.49 | <-6 | 8.9 | 400 | 1280 |
150 0000 2421