Isivikeli sokukhuphuka kwamandla sihlukaniswe ngamaleveli amathathu: ileveli yokuqala (izinga B), ileveli yesibili (izinga C), kanye neleveli yesithathu (izinga D). Ngokusho kwe-IEC (i-International Electrotechnical Commission) izinga lokuvikelwa kombani ohlukanisayo kanye nethiyori yokuvikelwa kwamazinga amaningi, ukuvikelwa kombani we-Class B kungokwedivayisi yokuvikela umbani yezinga lokuqala, engasetshenziswa kwikhabhinethi enkulu yokusabalalisa amandla esakhiweni; I-Class C iyingxenye yokuvikelwa kwezinga lesibili Imishini yombani isetshenziswa emakhabetheni okusabalalisa amagatsha ezakhiwo; I-Class D iyisisetshenziswa sokuvikela umbani esisezingeni lesithathu, esisetshenziswa ngaphambili kwemishini ebalulekile ukuze sinikeze isivikelo esihle ezintweni zokusebenza.
Ukukhetha umvikeli wokuhlinza
Uchungechunge lwemojuli yokuvikela umbani wamandla
36 Ukukhethwa Kwe-Cidale Surge (10/350μ s)
Ukukhethwa kokukhuphuka okungu-18OB (8/20μ s)
18 ukukhethwa kokuhlinza kwesihlangu (8/20μ s)
27OBO ukukhetha kokukhuphuka (8/20μ s)
36 Ukukhethwa kokuhlinzwa kwe-Cidell (8/20μ s)
Ukukhethwa komugqa wamandla okuvikela umbani
Ukukhetha ukukhuphuka okuhlakaniphile

I-LH-ZN/40 | |
I-voltage yokusebenza eqhubekayo ephezulu Uc | 385v |
Ukukhishwa kwesikhashana kwamanje ku-In | 20KA |
Ukukhishwa okuphezulu kwe-Imax yamanje | 40KA |
Izinga lokuvikelwa kwe-voltage Up | ≤ 1.8KV |

I-LH-ZN/60 | |
I-voltage yokusebenza eqhubekayo ephezulu Uc | 385v |
Ukukhishwa kwesikhashana kwamanje ku-In | 30KA |
Ukukhishwa okuphezulu kwe-Imax yamanje | 60KA |
Izinga lokuvikelwa kwe-voltage Up | ≤ 2.0KV |

I-LH-ZN/80 | |
I-voltage yokusebenza eqhubekayo ephezulu Uc | 385v |
Ukukhishwa kwesikhashana kwamanje ku-In | 40KA |
Ukukhishwa okuphezulu kwe-Imax yamanje | 80KA |
Izinga lokuvikelwa kwe-voltage Up | ≤ 2.3KV |
Uchungechunge lwedivayisi yokuvikela umbani
Ukukhethwa kwedivayisi yokuvikela umbani
Uchungechunge lwebhokisi lokuvikela umbani wamandla
Ukukhethwa kwebhokisi lokuvikela umbani elinezigaba ezintathu
I-LH-40-SX | |
I-voltage yokusebenza eqhubekayo ephezulu Uc | 385v |
Ukukhishwa kwesikhashana kwamanje ku-In | 20KA |
Ukukhishwa okuphezulu kwe-Imax yamanje | 40KA |
Izinga lokuvikelwa kwe-voltage Up | ≤ 1.8KV |
Ukukhethwa kwebhokisi lesigaba esisodwa sokuvikela umbani
I-LH-80-DX | |
I-voltage yokusebenza eqhubekayo ephezulu Uc | 385v |
Ukukhishwa kwesikhashana kwamanje ku-In | 40KA |
Ukukhishwa okuphezulu kwe-Imax yamanje | 80KA |
Izinga lokuvikelwa kwe-voltage Up | ≤ 2.3KV |