ʻO ka mea haki kaapuni liʻiliʻi moʻo CJM7-125-2 he mau ʻano koʻikoʻi e like me ke au kiʻekiʻe i helu ʻia a me ka hiki ke haki pōkole i helu ʻia kiʻekiʻe, e lilo ia i mea haki kaapuni liʻiliʻi hana kiʻekiʻe. He kūpono kēia mea haki kaapuni no nā laina hoʻolaha me ka alapine hana i helu ʻia o 50Hz/60Hz, kahi volta hana i helu ʻia o AC240/400V, a me kahi au i helu ʻia o 125A. Hoʻohana ʻia no ka pale ʻana i ke au nui a me ka pōkole o nā hale laina mana a me nā lako uila koʻikoʻi ma nā hale nui a i ʻole nā wahi like, a hiki ke hoʻohana ʻia no nā hana on-off pinepine ʻole. He kūpono hoʻi kēia mea haki kaapuni no ka hoʻokaʻawale ʻana. Nā kūlana huahana: GB/T14048.2, IEC60947-2.
| Kūlana Maʻamau | GB/T 14048.2, IEC 60947-2 |
| Ka manawa o ka papa huahana | 125A |
| Ui uila insulation i helu ʻia | 1000V |
| Ka uila Uimp i helu ʻia e kū i ka impulse | 6kV |
| Au i helu ʻia | 16A, 20A, 25A, 32A, 40A, 50A, 63A, 80A, 100A, 125A |
| Ka uila i helu ʻia | 240/400V (1P, 2P), 400V (2P, 3P, 4P) |
| Alapine i helu ʻia | 50/60Hz |
| Piʻo hoʻohuli | C:8In ± 20%, D:12In ± 20% |
| Helu o nā pou | 1P, 2P, 3P, 4P |
| Ka laulā Unipolar | 27mm |
| Ka mana haki pōkole loa lcu | 10kA |
| Ka mana haki pōkole o ka hana ʻana i nā Ics | 7.5kA |
| Mahana kuhikuhi | 30°C |
| Māhele Hoʻohana | A |
| Ola mīkini | 20,000 mau pōʻaiapuni |
| Ola uila | 6000 mau pōʻaiapuni |
| Loiloi ʻia kēia manawa (A) | Nā ʻano hoʻohaʻahaʻa kaumaha | Ka hoʻohuli koke ʻana nā ʻano (A) | |
| 1.05ln manawa ʻae ʻole ʻia H (kūlana anu) | 1.30ln ka manawa hoʻopaʻa i ʻaelike ʻia H (kūlana wela) | ||
| I loko o ≤125 | 1 | 1 | 10In ± 20% |
| I loko>125 | 2 | 2 | |