MUTAI MCB: Parenga Porowhita Pono mō ngā Pūnaha Hiko Hou

Ko te haumaru hiko tētahi o ngā tūāpapa tino nui o tētahi pūnaha tohatoha hiko. Ahakoa i roto i ngā whare noho, i ngā whare arumoni, i ngā taiao ahumahi rānei, he mea nui te tiaki i ngā ara iahiko mai i ngā taumahatanga me ngā ara iahiko poto kia pai ai te mahi haumaru me te pumau. Hei whakatutuki i ēnei hiahia,Rōpū Hiko Mutaie whakarato ana i te pono me te whai huaMCB (Wāhi Whakamutu Arahiko Iti)ngā otinga.

He aha te MCB?

An MCB (Pūwhakapakari Arahiko Iti)he taputapu tiaki hiko aunoa i hangaia hei tiaki i ngā ara iahiko mai i ngā kino i puta mai i ngāiahiko nui, taumaha rawa, mengā hapa ara iahiko poto.

He rerekē tēnei i ngā fiusi tuku iho, ka taea e te MCB te motumotu aunoa i ngā āhuatanga rerekē, ā, ka taea te tautuhi anō i muri i te whakakorenga o te hapa, kia haumaru ake ai, kia watea ake ai, kia iti ake ai hoki te utu mō te whakamahinga mō te wā roa.

He aha te mahi a te MCB?

Ko te mahi matua a te MCB he whakakore i te ara iahiko ina nui rawa te ia e rere ana i roto i te pūnaha hiko.

Ko ōna mahi tiaki ko:

• Te Parenga Taumaha
  Ārai i te wera nui e hua mai ana i te nui o te iahiko i roto i tētahi wā.
• Te Parenga Porowhita Poto
  Ka momotu tere i te ara iahiko i te wā e puta ohorere ana ngā ia hapa hei tiaki i ngā waea me ngā taputapu.
• Mahi Whakawhiti
  Ka taea hoki te whakamahi mō te whakawhiti ā-ringa me te wehe i ngā ara iahiko.

Mā te tapahi tere i te iahiko rerekē, ka āwhina ngā MCB ki te whakaiti i te mōrearea o ngā ahi hiko, te kino o ngā taputapu me ngā rahunga o te pūnaha.

Ngā Whakamahinga o ngā MCB

E whakamahia whānuitia ana ngā MCB i roto i:

• Ngā papa tohatoha whare noho
• Ngā whare arumoni
• Ngā papa hiko ahumahi
• Ngā pūnaha rama
• Ngā ara iahiko putanga kōhao
• Ngā mīhini me ngā taputapu iti

Nā te iti o te rahi me te pono o te mahi, koinei tētahi o ngā taputapu tiaki e whakamahia whānuitia ana i roto i ngā pūnaha hiko ngaohiko iti.

MCB Raupapa Mutai CMTB1-63

Te Rōpū Hiko o MutaiCMTB1-63 Raupapa Wawahi Ara Iahiko Itikua hangaia mō te tiakitanga pono o te ara iahiko i roto i ngā pūnaha hiko AC.

Ko te hua e whakamahia ana i roto i te nuinga o te wāNgā ara iahiko AC 50Hz, me:

• Ngaohiko mahi kua whakatauria:tae atu ki te 400V
• Iahiko kua whakatauria:3A–63A
• Te kaha pakaru ara-poto kua whakatauria:tae atu ki te 6000A

E tutuki ana te raupapa CMTB1-63 i ngā:

• IEC 60898-1
• GB/T 10963.1

te whakarite i ngā paerewa haumaru me te mahi pono mō ngā mahi o te whare me ngā mahi rite.

Ngā Āhuatanga Matua o te Hua

Ngā Kōwhiringa Pou Maha

Kei te wātea i roto i:

• Pou Kotahi
• Pou Takirua
• Pou Toru
• Pou Whā

hei whakatutuki i ngā whakaritenga tāutanga rerekē.

Awhe Whānui o te Au

Ko ngā kōwhiringa o nāianei kua whakatauhia ko:

3A, 6A, 10A, 16A, 20A, 25A, 32A, 40A, 50A, me te 63A.

Ngā Kōwhiringa Piko Haere

Kei te wātea ngā MCB Mutai me:

• Piko C— he pai mō te tiaki tohatoha whānui
• Piko D— he pai mō te tiaki i te motuka me ngā tono iahiko urunga teitei ake

Te Pūmanawa Pakaru Pono

• Tae atu ki6000Ate kaha pakaru mō ngā tauira 3A–40A
• Tae atu ki4500Ate kaha pakaru mō ngā tauira 40A–63A

te whakarato i te parenga pumau mai i ngā iarere hapa.

I hangaia mō te mahi pumau me te haumaru

Kua whakawhanakehia ngā hua MCB a Mutai me ngā paerewa kounga tino pakari, ā, kua whakamatautauria kia pumau te mahi i raro i ngā āhuatanga hiko rerekē. Kei roto i ngā hua:

• Mahi pono mō te takahi
• Te tiaki tere i te ara iahiko poto
• Hanganga kiato
• Te roa o te ora ratonga
• Te tāutanga ngāwari

Arotahi ki tō Uara

Hei kaihanga hiko ngaohiko iti ngaio,Rōpū Hiko Mutaikei te whakarato tonu i ngā otinga tiaki ara iahiko haumaru, whai hua, me te pono mō ngā kiritaki o te ao katoa.

TeCMTB1-63 Raupapa MCBe whakaata ana i tā mātou whakapau kaha ki te kounga hua, te haumaru, me te auahatanga tonu — e āwhina ana ki te hanga pūnaha hiko haumaru ake, pono ake hoki mō ngā tono hou.