He aha ka mea e like ai ka MCCB a me ka MCB?

ʻO nā mea haʻihaʻi kaapuni he mea nui i loko o nā ʻōnaehana uila no ka mea hāʻawi lākou i ka pale mai ke kaapuni pōkole a me nā kūlana overcurrent. ʻElua ʻano maʻamau o nā mea haʻihaʻi kaapuni i hoʻoheheʻe ʻia nā mea hoʻoheheʻe kaapuni i hoʻoheheʻe ʻia (MCCB) a me nā mea haʻihaʻi kaapuni liʻiliʻi(MCB). ʻOiai ua hoʻolālā ʻia lākou no nā ʻano kaapuni like ʻole a me nā au, nā MCCB a me nā MCB e lawelawe i ke kumu koʻikoʻi o ka pale ʻana i nā ʻōnaehana uila. Ma kēia moʻomanaʻo, e ʻimi mākou i nā mea like a me ke koʻikoʻi o kēia mau ʻano mea hoʻokaʻawale kaapuni ʻelua.

Nā hana like:

MCCB aMCBloaʻa nā mea like he nui i ka hana kumu. Hana lākou ma ke ʻano he hoʻololi, hoʻopau i ke kahe ʻana o ka uila inā loaʻa kahi hewa uila. Hoʻolālā ʻia nā ʻano mea hoʻokaʻawale kaapuni ʻelua no ka pale ʻana i nā ʻōnaehana uila mai nā ukana nui a me nā pōkole pōkole.

Pale kaapuni pōkole:

ʻO nā pōkiʻi pōkole he pilikia nui i nā ʻōnaehana uila. Hana ʻia kēia i ka wā i loaʻa ai kahi pilina i manaʻo ʻole ʻia ma waena o nā mea hoʻokele ʻelua, me ka piʻi koke ʻana o ke au uila. Hoʻolako ʻia nā MCCB a me nā MCB me kahi mīkini huakaʻi e ʻike ai i ka nui o ke au, ka haki ʻana i ke kaapuni a pale i nā pōʻino a i ʻole ke ahi.

Ka palekana o ka overcurrent:

I nā ʻōnaehana uila, hiki ke loaʻa nā kūlana overcurrent ma muli o ka hoʻoheheʻe ʻana o ka mana nui a i ʻole ka hoʻouka ʻana. Hana maikaʻi ʻo MCCB a me MCB i kēlā mau kūlana ma ke ʻoki ʻoki ʻana i ke kaapuni. Mālama kēia i ka pōʻino o nā mea uila a kōkua i ka mālama ʻana i ke kūpaʻa o ka ʻōnaehana mana.

Voltage a me nā helu o kēia manawa:

'Oko'a ka MCCB a me ka MCB i ka nui kaapuni a me ka helu o kēia manawa. Hoʻohana maʻamau ʻia nā MCCB i nā kaapuni nui a i ʻole nā ​​​​kaapuni me nā au kiʻekiʻe, maʻamau mai ka 10 a hiki i nā kaukani amp. ʻO nā MCB, ma ka ʻaoʻao ʻē aʻe, ʻoi aku ka maikaʻi no nā kaapuni liʻiliʻi, e hāʻawi ana i ka pale ma kahi o 0.5 a 125 amps. He mea nui e koho i ke ʻano kūpono o ka mea haʻihaʻi kaapuni ma muli o nā koi ukana uila e hōʻoia i ka pale pono.

Mekanikini huakaʻi:

Hoʻohana ʻo MCCB a me MCB i nā ʻano huakaʻi no ka pane ʻana i nā kūlana o kēia manawa. ʻO ka ʻōnaehana tripping ma MCCB ka mea maʻamau he thermal-magnetic tripping mechanical e hoʻohui i nā mea hoʻoheheʻe wela a me ka magnetic tripping. Hiki iā lākou ke pane i nā kūlana overload a pōkole. ʻO nā MCB, ma ka ʻaoʻao ʻē aʻe, loaʻa i kahi ʻano hana hoʻoheheʻe wela e pane mua i nā kūlana overload. Hoʻokomo pū kekahi mau hiʻohiʻona MCB kiʻekiʻe i nā mea uila uila no ka holo pololei a koho.

Palekana a hilinaʻi:

He kuleana koʻikoʻi ka MCCB a me MCB i ka hōʻoia ʻana i ka palekana a me ka hilinaʻi o nā ʻōnaehana uila. Me ka ʻole o kēia mau mea haʻihaʻi kaapuni, ua hoʻonui nui ʻia ka pilikia o ke ahi uila, ka pōʻino o nā lako, a me ka hōʻeha ʻana i nā kānaka. Hāʻawi nā MCCB a me nā MCB i ka hana palekana o nā mea uila ma ka wehe koke ʻana i ke kaapuni ke ʻike ʻia kahi hewa.