Jagora Mai Haɓakawa zuwa Maƙasudin Matsalolin Da'ira

2026-08-25 0 Ka bar min sako

Menene MCCB?

MCCB da -gyare-gyaren harka mai katsewa- na'urar kariya ce mara ƙarfi wacce ke cire haɗin da'ira ta atomatik lokacin da ta gano abubuwan da suka wuce kima ko gajeriyar kewayawa. Ba kamar fuse ba, ana iya sake saita shi kuma a sake amfani dashi bayan tafiya. A cikin akwati da aka ƙera, injin tafiye-tafiye na thermal-magnetic yana ɗaukar ayyuka guda biyu: wani abu mai zafi yana amsawa ga ci gaba da ɗaukar nauyi, yayin da sinadarin maganadisu yana amsawa nan take ga kurakuran gajeren lokaci. Sakamakon shine kariyar da ta dace da yadda ainihin kayan lantarki ke aiki.

Lokacin zabar MCCB: manyan masu ba da abinci masu shigowa, bangarorin rarraba matakai uku, manyan da'irar mota, ko kowane wuri inda gajeriyar kewayawa mai yiwuwa ta wuce abin da MCB zai iya katsewa.

Lokacin da MCB ya isa: ƙananan sassa na ƙarshe tare da ƙananan kaya da ƙananan matakan kuskure - allon zama, hasken wuta da da'irori.

250A three-pole MCCB

Yadda ake zabar MCCB daidai

Ƙididdigar halin yanzu (A)

1. - dace da ci gaba da lodi, da kuma ba da damar headroom don fara igiyoyin mota.

Ƙarfin Ƙarya (Icu / Ics)

2. - dole ne ya zama mafi girma fiye da gajeriyar kewayawa mai yiwuwa a wurin shigarwa. Mafi girman matakin kuskure, mafi girman Icu da kuke buƙata.

Sandunansu

3. - 3P don tsarin matakai uku, 4P inda tsaka tsaki kuma yana buƙatar cirewa.

Ƙimar ƙarfin lantarki

4. - duba rated aiki ƙarfin lantarki (Ue), rufi ƙarfin lantarki (Ui) da kuma turu jure (Uimp) a kan tsarin.

Matsayi da takaddun shaida

5. - IEC/EN 60947-2 yarda da alamar CE sune tushen ayyukan kasa da kasa.

Aikace-aikace

6. - Kariyar mota, rarraba wutar lantarki da shigarwa na masana'antu na iya buƙatar ƙididdiga na firam daban-daban da halayen tafiya.

Menene ingantaccen takamaiman 250A MCCB yayi kama:

Don yin wannan siminti, la'akari da DAM3-250 daga C·DADA Electric - 250A MCCB mai igiya uku wanda ke kwatanta abin da za a nema a cikin wannan aji na na'ura:

Tsarin 3P

● tare da 250A da aka ƙididdige halin yanzu (In), dace da allon rarraba matakai uku

Ƙimar wutar lantarki:

● 690V~; Ue AC400/415V, Ui 750V, Uimp 8kV

Karya iya aiki har zuwa 50kA

● — Icu na 18/25/36/50 kA a fadin bambance-bambancen B/C/N/S, don haka masu sakawa zasu iya daidaita matakan kuskure a wurare daban-daban na hanyar sadarwa

IEC/EN 60947-2 da GB 14048.2 yarda

● Alamar CE, tare da bayyanannen hannun ON/KASHE don yanayin aiki na bayyane

● Gina don rarraba wutar lantarki, kariyar mota da aikace-aikacen masana'antu

Ma'anar da ke bayan wannan ƙayyadaddun bayanai: 250A, 3-pole frame tare da 50kA aji na iya karyewa ya rufe yawancin maginin panel da bukatun masu kwangila - daga manyan allunan rarraba zuwa na'urori masu ciyar da motoci - yayin da bambance-bambancen Icu da yawa suna ba ku damar girman girman daidai da matakan kuskure.

Shawarar zaɓi

● Don kewayawa na ƙarshe har zuwa ~125A tare da ƙananan matakan kuskure, MCB shine zaɓi na tattalin arziki.

● Don babban rarrabawa, kariyar mota da kayan sauya masana'antu, zaɓi MCCB tare da ƙarfin karya wanda ya zarce yanayin da ake shirin shigar da shi.

● Lokacin da ake shakka, girman aji ɗaya akan iyawar karya: bambancin farashi kaɗan ne, yayin da gefen kariya zai iya zama bambanci tsakanin ƙaramin laifi da babban fita.

Tambayoyin da ake yawan yi

Tambaya: Menene MCCB?

A: Agyare-gyaren harka mai katsewana'urar kariya ce mai ƙaramar wutar lantarki wacce za'a iya sake saitawa wacce ke cire haɗin da'ira akan ɗorawa ko gajeriyar kewayawa, wanda aka ƙera don maɗaukakin igiyoyi da matakan kuskure fiye da ƙaramar mai watsewa.

Tambaya: Menene Icu ke nufi akan MCCB?

A: Icu shine madaidaicin ƙarfin karya gajeriyar kewayawa - matsakaicin kuskuren halin yanzu mai karya zai iya katsewa. Ics shine ƙarfin karya sabis, matakin da zai iya katse akai-akai kuma ya kasance yana aiki.

Tambaya: Ta yaya zan zaɓi ƙarfin karya don MCCB na?

A: Zaɓi ƙimar Icu mafi girma fiye da mai yiwuwa gajeriyar kewayawa a wurin shigarwa. Allolin rarraba tare da babban ƙarfin wutan lantarki ko masu ciyar da masana'antu masu tsayi yawanci suna buƙatar na'urorin aji 36-50kA.

Q: Menene DAM3-250 MCCB?

A: DAM3-250 shine 250A mai shinge mai shinge mai shinge uku daga C · DADA Electric, wanda aka kiyasta har zuwa 690V tare da raguwa har zuwa 50kA, don rarraba wutar lantarki, kariya ta mota da aikace-aikacen masana'antu.