Vim li cas Koj MCB Mus Ncig? Yuav ua li cas kom tsis txhob MCBs Tripping

MCB (Electrical Wiring Breaker) yog dab tsi?

MCBs lossis Miniature Circuit Breakers yog cov khoom siv hluav taws xob tiv thaiv hluav taws xob uas ua raws li kev hloov hauv Circuit Court. Lawv cia li qhib lub Circuit Court thaum twg lawv paub tias qhov tam sim no dhau ntawm Circuit Court tau hla ib qho kev txwv lossis tus nqi. Cov cuab yeej kuj tseem siv tau raws li ib txwm qhib thiab tawm hloov manually.

MCBs tseem hu ua lub sij hawm ncua sij hawm tripping cov cuab yeej uas mus txawv tebchaws thiab kaw lub kaw lus thaum twg muaj qhov overcurrent ntws rau lub sijhawm ntev dua thiab muaj kev phom sij rau tag nrho lub voj voog. Txawm li cas los xij, nyob rau hauv cov ntaub ntawv luv luv, cov khoom siv no tuaj yeem mus thiab nres lub zog ntawm 2.5 milliseconds.

Nyob rau hauv ib qho hluav taws xob system 'Fault' yog qhov xwm txheej uas tshwm sim vim kev ua haujlwm tsis zoo ntawm qee qhov kev tiv thaiv lossis kev coj ua tsis raug hluav taws xob. Kev ua txhaum yuav ua rau muaj qhov xwm txheej txaus ntshai xws li tawg & hluav taws yog tias tsis tshem tawm raws sijhawm, tsis yog qhov no, lub sijhawm ntawm qhov kev ua txhaum tseem nyob hauv lub cev, nws tsis tu ncua ua rau lub cev noj qab haus huv ua rau lub zog poob siab ua rau muaj kev ntxhov siab ntau ntxiv. ntawm qhov system. Kev ua txhaum yog qhov txaus ntshai rau lub kaw lus & yuav tsum tau muab tshem tawm thaum ntxov yog li, yuav tsum muaj cov cuab yeej zoo li no uas tsis yog tsuas yog muaj peev xwm tshem tawm qhov txhaum tab sis kuj tseem muaj lub sijhawm qhib qis dua txhawm rau txhawm rau txuag lub zog cia thiab txo cov thermal stress.

Yog vim li cas vim li cas MCBs mus txawv tebchaws

Feem ntau, 2 hom kev ua txhaum uas cuam tshuam rau lub cev feem ntau yog:

• Overload: Ib qho overload yog qhov txhaum uas tshwm sim hauv lub kaw lus thaum lub voj voog rub tawm qhov tam sim no siab dua nws qhov ntsuas. Piv txwv li los ntawm 6A lub qhov (socket) yog tias peb kos 10A tam sim no tus mob tau hais tias yog overload.

• Luv luv Circuit Court: Qhov no yog ib qho mob uas tsis tshua muaj kev tiv thaiv txoj kev tsim los ntawm kev sib tsoo los yog txhob txwm sib txuas ntawm 2 los yog ntau dua conductors uas ua rau qhov nce tam sim no mus rau nws cov nqi siab tshaj plaws thiab qhov hluav taws xob tau txo qis rau qhov qis qis heev.

Miniature Circuit Breaker (MCB)

MCB lossis Miniature Circuit Breaker yog cov cuab yeej tiv thaiv uas muaj kev tiv thaiv kev tiv thaiv overload & luv Circuit Court. Nws suav nrog bimetal & ib lub voj voog solenoid uas mus ncig ntawm MCB nyob rau hauv rooj plaub ntawm Overload & Short Circuit feem. Ua raws li IEC {{0}}, MCB yog siv rau qhov ntsuas qis ntawm 0.5 ~ 125A.

MCBs kev npaj hauv DB

Raws li hom nkhaus / daim ntawv thov MCB yog 3 hom:

• B Curve: Hom MCB no muaj qhov chaw luv luv luv luv thiab tuaj yeem siv rau Resistive / Lighting loads, piv txwv li, teeb, cua sov, thiab lwm yam.

• C Curve: Cov MCBs no muaj qhov luv luv Circuit Court tripping cheeb tsam thiab tuaj yeem pab tau rau cov khoom siv hluav taws xob / lub cev muaj zog, xws li: AC, tub yees thiab lwm yam.

• D Curve: Cov MCBs no muaj qhov luv luv Circuit Court tripping cheeb tsam thiab feem ntau yog siv rau cov loads uas kos lub siab pib tam sim no xws li Sodium Teeb.

Yuav ua li cas kom tsis txhob MCBs tripping

• Tsis txhob siv ntau lub plugs thiab txuas txuas ntxiv.

• Hloov tag nrho cov kab tawg & puas ntawm cov khoom siv hluav taws xob thiab cov khoom siv.

• Tshem tawm tag nrho cov khoom siv hluav taws xob & cov khoom siv thaum tsis siv.

• Yuav tsum khaws cov naj npawb ntawm cov khoom siv uas siv hauv Huab Cua Kub thiab Txias.

Yog li, lawv yog cov cuab yeej ruaj ntseg uas tsis tsuas yog txuag cov khoom siv hluav taws xob lossis cov khoom siv ntawm koj lub tsev tab sis kuj yog cov xaim hluav taws xob thiab tag nrho lub tsev. Yog li, thaum twg MCB mus ncig ua si muaj qhov laj thawj loj tom qab nws thiab yuav tsum tau ceev faj.

Koj tuaj yeem tshawb xyuas peb txhua yam ntawm MCBs nrog lawv cov yam ntxwv ntawm no