Ngwaahịa a kwekọrọ n'ụkpụrụ ndị a: GB7251.12-2013 Ngwaọrụ Mgbanwe na Njikwa Voltaji dị ala na GB7251.3-2006 Ngwaọrụ Mgbanwe na Njikwa Voltaji dị ala Akụkụ nke Atọ: Ihe achọrọ pụrụ iche maka bọọdụ Nkesa Switchgear dị ala nwere ohere na-abụghị ọkachamara na saịtị ahụ.
Ụlọ ọrụ a nwere ọkwa nke abụọ nke nkwekọrịta izugbe maka owuwu injinia obodo, ọkwa nke abụọ nke nkwekọrịta ọkachamara maka injinịa nrụnye ngwa igwe na eletriki, ọkwa nke abụọ nke nkwekọrịta ọkachamara maka injinịa eletrọniki na ọgụgụ isi, ọkwa nke mbụ nke nkwekọrịta ọkachamara maka injinịa ọkụ obodo na okporo ụzọ, ọkwa nke anọ nke ntinye na nnwale ụlọ ọrụ ike, ọkwa nke atọ nke nkwekọrịta izugbe maka owuwu injinịa ike, ọkwa nke mbụ nke injinịa nchekwa, na ọkwa nke abụọ nke imewe injinịa ọkụ.
| Ntọala ugboro ugboro nke voltaji ọrụ | AC380V |
| Voltaji mkpuchi ọkwa | AC500V |
| Ọkwa dị ugbu a | 400A-10A |
| Ọkwa mmetọ | Ọkwa nke 3 |
| Mbelata ọkụ eletrik | ≥ 8mm |
| Anya dị anya n'ime oghere | ≥ 12.5mm |
| Ike ịgbaji nke isi mgba ọkụ | 10KA |
| Ọkwa nchedo ogige | IP65, IP54, IP44, IP43, IP41, IP40, IP31, IP30 |