MCB yana nufin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙaddamar da MCCB. Fahimtar bambance-bambancen da ke tsakanin su yana da mahimmanci don gane halayensu da aikace-aikacen su. Waɗannan bambance-bambance suna ƙayyade dacewarsu don takamaiman ayyuka a cikin da'irar lantarki.
Menene MCB?
An MCB, ko Miniature Circuit Breaker, na'urar lantarki ce da aka ƙera don kare da'irar lantarki daga lalacewa ta hanyar wuce gona da iri, kamar gajeriyar kewayawa ko fiye da kima. Yana aiki azaman sauyawa ta atomatik wanda zai iya kunna ko kashewa da'ira kuma yayi tafiya ta atomatik lokacin da aka gano kuskure. Ba kamar fuses na gargajiya ba, MCBs ana iya sake amfani da su kuma sun fi kula da kurakurai, suna tabbatar da ingantaccen aminci.
Babban aikin MCB shine katse kwararar da ke gudana a halin yanzu lokacin da ya wuce iyakar ƙididdigewa, ta haka yana kare na'urorin da aka haɗa da kuma hana haɗarin haɗari kamar gobara. Yana samun wannan ta hanyar lambobi biyu: kafaffen lamba da kuma maɗaukakiyar lamba. A lokacin rashin daidaituwa na halin yanzu, lambar sadarwa mai motsi ta rabu da kafaffen ɗaya, yana karya kewaye.
Ana amfani da MCBs a aikace-aikacen zama da masana'antu don haskakawa da rarraba wutar lantarki. Ana samun su a cikin nau'i daban-daban, kamar sandar-ɗaya, igiya biyu, igiya mai sau uku, da nau'ikan igiya huɗu, suna biyan bukatun kariya daban-daban.
Menene MCCB?
MCCB, ko Molded Case Circuit Breaker, ci-gaban na'urar kariya ce ta wutar lantarki da aka ƙera don kiyaye da'irori daga wuce gona da iri, gajeriyar da'ira, da kuma kurakurai kamar ƙarancin wuta ko lahani na ƙasa. Karamin tsarin shari'ar sa yana gina abubuwan haɗin kai kamar lambobin sadarwa, ɗakuna masu kashe baka, da hanyoyin datsewa, yana tabbatar da dorewa da rufi.
MCCBs suna aiki ta amfani da yanayin zafi, maganadisu, ko hanyoyin tafiya na lantarki. Bangaren thermal yana ba da kariya daga kitsewa ta hanyar dumama ɗigon bimetallic wanda ke lanƙwasa don karya da'ira, yayin da bangaren maganadisu ke tafiya nan take yayin gajerun kewayawa. Waɗannan hanyoyin suna tabbatar da ingantaccen kariya daga haɗarin lantarki.
Ana amfani da MCCBs a aikace-aikacen da ke buƙatar ƙima mai girma na yanzu, kamar injinan masana'antu, injina, janareta, da masu ciyar da wutar lantarki. Suna samuwa a cikin igiya guda ɗaya, igiya biyu, igiya uku, da juzu'in sandar sandar sandar guda huɗu, tare da saitunan tafiya masu daidaitawa don dacewa da takamaiman buƙatu. Ƙarfinsu na iya ɗaukar igiyoyin ruwa har zuwa 2,500 amps ya sa su dace don tsarin masana'antu da manyan kasuwancin kasuwanci.
Menene Bambanci tsakanin MCB da MCCB?
Akwai su da yawa bambance-bambance tsakanin MCB da MCCB cewa tebur mai zuwa yana haskakawa-
| Tushen Bambanci | MCB (Ƙananan Mai Kashe Wuta) | MCCB (Molded Case Circuit breaker) |
|---|---|---|
| description | Maɓalli ta atomatik wanda ke kare ƙananan ƙarfin lantarki daga wuce gona da iri da gajerun da'irori. | Na'ura mai karyawa da aka ƙera don kare mafi girma da'irori na yanzu daga wuce gona da iri da gajerun kewayawa. |
| Sanarwa na yanzu | Yawanci jeri daga 6A zuwa 125A. | Yawancin lokaci jeri daga 16A zuwa 1600A, tare da wasu model kai har zuwa 2500A. |
| Ƙarfin Katsewa | Ƙananan ƙarfin katsewa, gabaɗaya har zuwa 18,000 amps. | Ƙarfin katsewa mafi girma, daga 10,000 amps zuwa 200,000 amps. |
| Rarraba Yankin Yankin Yanzu | Yawanci ana ƙididdigewa a 4.5kA, 6kA, 10kA, ko 15kA. | Zai iya ɗaukar gajerun igiyoyin kewayawa har zuwa 100kA. |
| Short Time Time | Lokacin mayar da martani mafi sauri na kusan milli seconds 3. | Lokacin amsawa a hankali, yawanci a kusa da millisecons 9. |
| Halayen Tafiya | Kafaffen kuma mara daidaita saitunan tafiya. | Daidaitacce ko kafaffen saitunan tafiya don buƙatun aikace-aikace iri-iri. |
| Tafiya Tafiya | An sanye shi da kafaffen da'irori masu tada hankali. | Yana da da'irori masu juyawa masu motsi don sassauƙa. |
| Gudanar da Nesa | Ba za a iya sarrafa shi daga nesa ba; yana buƙatar ON/KASHE aiki na hannu akan rukunin yanar gizon. | Yana goyan bayan aiki mai nisa don buɗewa da rufe mai watsewar kewayawa. |
| Adadin Sanduna | Akwai shi a cikin sigar sandar sanda guda ɗaya, sandar igiya biyu, ko juzu'i uku. | Yawanci ana samuwa a cikin har zuwa sanduna huɗu don ingantattun zaɓuɓɓukan kariya. |
| Aikace-aikace | Mafi dacewa don amfani na zama da haske na kasuwanci, kamar kewayar hasken wuta da ƙananan kayan aiki. | Mafi dacewa ga masana'antu da aikace-aikace masu nauyi kamar injina da kayan aiki masu ƙarfi. |
Kammalawa
MCBs da MCCBs duka amintattun na'urorin kewayawa ne waɗanda aka ƙera don kare tsarin lantarki da na'urori yayin yanayi mara kyau. Yayin da suke raba aikin farko iri ɗaya na hana wuce gona da iri da gajerun kewayawa, bambance-bambancen su ya sa su dace da aikace-aikace daban-daban. Maɓallin maɓalli shine cewa MCBs sun dace don ƙananan da'irori na yanzu, yayin da MCCBs sun fi dacewa da manyan tsarin na yanzu.
Zaɓi tsakanin MCBs da MCCBs ya dogara da takamaiman buƙatun ku. MCBs sun fi tsada-tsari da ƙanƙanta, yana mai da su zaɓi mai amfani don ƙananan saiti. Koyaya, MCCBs suna ba da ƙarin ƙarfi da sassauci, yana mai da su mahimmanci don aikace-aikacen masana'antu ko manyan ƙarfi.
FAQs
1. Ana iya amfani da MCBs da MCCBs masu musanya?
A wasu lokuta, MCBs na iya maye gurbin MCCBs idan aikace-aikacen ya ƙunshi ƙananan ƙididdiga na yanzu (har zuwa 63A) da iyakan katsewa (har zuwa 10kA). Koyaya, MCCBs suna da mahimmanci don mafi girman buƙatun yanzu ko lokacin da ake buƙatar saitunan tafiya daidaitacce.
2.Do MCBs ko MCCBs goyon bayan m aiki
MCBs ba sa goyan bayan aiki mai nisa kuma dole ne a kunna ko kashe su da hannu akan rukunin yanar gizon. Sabanin haka, ana iya sayan MCCBs tare da damar aiki mai nisa ta amfani da ƙarin na'urorin haɗi kamar tafiye-tafiyen shunt.
3.Yaya halayen tafiya ya bambanta tsakanin MCBs da MCCBs
MCBs suna da ƙayyadaddun halayen balaguro waɗanda aka keɓance don amfanin gaba ɗaya a tsarin ƙarancin kuzari. MCCBs galibi suna fasalta saitunan tafiya masu daidaitawa, suna ba da damar gyare-gyare bisa takamaiman buƙatun kariya a cikin mahalli masu ƙarfi.