I roto i ngā mara o te hangarau hiko me te haumaru,ngā whati ara iahiko iti (MCB)He mahi nui tā te MCB ki te tiaki i ngā ara iahiko mai i te taumaha rawa me te kino o te ara iahiko poto. Hei wāhanga nui o ngā pūnaha hiko kāinga, arumoni, me te ahumahi, kua hangaia ngā MCB hei momotu aunoa i ngā ara iahiko ina kitea he hapa, ā, mā reira ka ārai i ngā tūponotanga kino pēnei i ngā ahi hiko me te kino o ngā taputapu.
He aha tepūwāhi ara iahiko iti (MCB)?
Ko te kaiwawao hiko iti (MCB) he kaiwawao hiko e whakamahia ana hei tiaki i ngā hiko mai i te kino o te au nui. Kāore i rite ki ngā fiusi tuku iho me whakakapi i muri i te pupuhi, ka taea te tautuhi anō i ngā MCB i muri i te pakaru, ā, he otinga tiaki hiko watea ake, whai hua ake hoki. Kei te wātea ngā MCB i roto i ngā whakatakotoranga au kua whakatauria, mai i te 0.5A ki te 125A, ā, ka taea te whakamahi whānui i roto i ngā momo tono.
He aha te kaupapa mahi a te mīhini pakaru hiko iti (MCB)?
Ko te mahi matua o ngā pakaru hiko iti (MCB) i runga i ngā tikanga e rua:te hinganga weramete hinganga aukume. Mā te whakamahana wera ka taea te whakahaere i ngā āhuatanga taumaha rawa. Ka whakamahia he rīpene bi-konganuku; ina nui rawa te ia, ka piko te rīpene bi-konganuku, ka huri te āhua, ā, ka mutu ka pakaru te ara iahiko. Mā te whakamahana aukume ka taea te whakahaere i ngā āhuatanga ara iahiko poto. Ka whakamahia he aukume hiko; ina piki ohorere te iahiko, ka hangaia e te aukume hiko he papa aukume kaha, ka pakaru tonu te ara iahiko.
Mā tēnei tikanga takirua ka taea e ngā kaiwawao ara iahiko iti te ārai pono i ngā taumahatanga me ngā ara iahiko poto, ka waiho hei wāhanga nui o ngā pūnaha hiko o ēnei rā.
Ngā Momo o ngā Wawahi Ara Iahiko Iti
- Momo B Wawahi Ara Iahiko ItiHe pai tēnei kaiwawao hiko mō ngā mahi kāinga, ā, kua hangaia kia whati i te 3 ki te 5 ngā wā o te iahiko kua whakatauria. He mea tino pai mō ngā hiko me ngā kawenga ātete, pērā i ngā hiko rama me te whakamahana.
- Momo C Iti Porowhita WhakawetoE whakamahia ana tēnei momo whati hiko i roto i ngā mahi arumoni me ngā mahi ahumahi, ā, he pai mō ngā kawenga hiko whakauru pērā i ngā motuka me ngā whakawhiti hiko. Ko tōna iahiko whati he 5 ki te 10 ngā wā o te iahiko whakatauranga, ā, ka taea e ia te tu atu i ngā iahiko ngaru poto me te kore e whati.
- Ngā Wāhi Whakaweto Ara Iahiko Iti Momo DKo ngā whati hiko iti Momo D kua hangaia mō ngā mahi taumaha, me te iahiko whakatārewatanga o te 10 ki te 20 ngā wā o te iahiko kua whakatauria. He mea whakamahi noa ēnei i roto i ngā ara iahiko he nui ngā iahiko whakauru, pērā i ngā motuka nunui.
He aha te rerekētanga i waenganui i te MCB me te MCCB?
Tuatahi, ko ngā MCB te nuinga o te wā e whakamahia ana mō te tiaki i te ara iahiko poto me te taumaha i ngā iahiko iti (kei raro iho i te 100 amps te nuinga), ko ngā MCCB ia e whakamahia ana mō te tiaki i te ara iahiko poto me te taumaha i ngā iahiko teitei (kei runga ake i te 100 amps te nuinga). Nā ngā hoahoa hanganga me ngā rauemi rerekē e whakamahia ana i roto i ngā MCB me ngā MCCB hei whakauru i ngā iahiko me ngā kawenga rerekē. Tuarua, ko ngā MCB te nuinga o te wā e whakamahi ana i ngā wāhanga hiko pēnei i ngā wiwi me ngā whakawhiti wera hei tiaki, ko ngā MCCB ia e whakamahi ana i ngā taputapu miihini pēnei i ngā parenga aukume-wera hei tiaki.
Ngā painga o te whakamahi i ngā kaiwawao ara iahiko iti
Ki te whakaritea ki ngā fiusi tuku iho, he maha ngā painga o ngā kaiwawao hiko iti (MCB). Tuatahi, he pono ake ngā MCB, ā, he tere ake te aro atu ki ngā hapa hiko. Nā te mea ka taea te tautuhi anō i muri i te pakaru, ka whakaitihia te hiahia mō ngā whakakapinga maha, ā, ka whakaitihia ngā utu tiaki. Hei tāpiri, he iti ake, he māmā ake hoki te tāuta i ngā MCB, ā, koinei te whiringa pai mō ngā papa whakawhiti hou.
Hei tāpiri atu ki tēnā, ka whakarei ake ngā kaiwawao hiko iti (MCB) i te haumaru mā te whakaiti i te mōrearea o ngā ahi hiko me te kino o ngā taputapu. Nā te hoahoa ka taea e rātou te mahi i roto i ngā awhe tawhā motuhake, kia pai ai te whakahaere o ngā pūnaha hiko me te karo i ngā mōrearea taumaha rawa.
I roto i te poto
Hei whakarāpopototanga, ko ngā kaiwawao hiko iti (MCB) he wāhanga tino nui o ngā pūnaha hiko, e whakarato ana i te tiaki nui me te tiaki poto-hiko. He whānuitanga o ngā MCB e wātea ana hei whakatutuki i ngā hiahia tono rerekē, e tuku ana i ngā painga pēnei i te pono teitei, te ngāwari o te whakamahi, me te haumaru teitei. I te whanaketanga tonu o ngā pūnaha hiko, kāore e taea te wareware i te hiranga o ngā MCB ki te whakarite i te haumaru o ngā taiao noho me ngā taiao ahumahi. Mō te hunga e mahi ana i roto i te miihini hiko, i te haumaru rānei, he mea nui te mārama ki ngā mahi me ngā painga o ngā MCB, nā te mea ka āwhina i te whakarite i te whakahaere maeneene me te haumaru o ngā pūnaha hiko.
Wā tuku: Whiringa-ā-rangi-04-2025