Yadda za a zabi A, B, C, OR D ƙananan na'urorin da'ira MCB

Akwai hudu duniya tafiya halaye naƙananan na'urorin haɗi: A, B, C, da D. To ta yaya za mu zaɓa?

(1)TYPE A kewayawa: 2 sau rated halin yanzu, da wuya a yi amfani da shi, gabaɗaya ana amfani da shi don kariyar semiconductor (yawanci amfani da fuse);Abin da ake kira adadin lokuta na yanzu, shine tasirin tasirin yanzu, tsayayya da wani lokaci na sauyawa ba ya tafiya, halayensa shine don kauce wa tasirin tasirin.

Zaɓin na'urar tatsewa nalow-voltage circuit breakerNau'in na'ura mai tada hankalimai jujjuyawayana da na'urar da za ta iya jujjuyawa fiye da na yanzu, na'urar da ba ta da wutar lantarki, na'urar shunt tripping, da dai sauransu. na'urar da aka fi amfani da ita ita ce mafi yawan amfani da aiki. Ƙimar saitin aiki na yanzu na na'urar da ke tashe-tashen hankula za a iya gyarawa ko daidaitacce, yawanci ta hanyar juyawa ko daidaita lever.Electromagnetic overcurrent tripping na'urar yana da daidaitattun guda biyu kuma daidaitacce.Na'urar fitintinu ta lantarki gabaɗaya tana daidaitacce.

Ƙarfin karya na amai jujjuyawayana nufin iya jure matsakaicin matsakaicin matsakaicin lokaci, don haka ƙarfin karya na mai jujjuyawa dole ne ya zama mafi girma fiye da ɗan gajeren lokaci na kayan kariyar sa.Tafiya ta wuce gona da iri bisa ga shigarwa kuma ana iya raba shi zuwa ƙayyadaddun shigarwa ko shigarwa. module, gyarawa don shigarwa na masana'anta tafiya da kewayawa da ake sarrafa a cikin wani Organic dukan, da zarar bayan sun bar rated halin yanzu na tafiya ne daidaitacce, da kuma modular shigarwa tafiya a matsayin da'irar watse shigar modules, za a iya daidaitacce, sassauci ne. mai karfi.

Nau'in nan take: 0.02s, don gajeriyar kariya ta kewaye;

Shortan gajeren nau'in jinkiri: 0.1-0.4s, ana amfani da shi don gajeriyar kewayawa, kariya mai yawa;

Dogon jinkiri: ƙasa da 10S, ana amfani da shi don kariya mai yawa;

A halin yanzu da aka fi amfani da shijerin DZiska (ƙananan na'ura mai ba da hanya tsakanin hanyoyin sadarwatare da kariya daga leakage), ƙayyadaddun ƙayyadaddun gama gari sune: C16, C25, C32, C40, C60, C80, C100, daga cikinsu C wakiltar cire halin yanzu shine C, wato tsalle current, misali C20 yana bayyana tsalle halin yanzu shine 20A, halayen tafiya. shine C curve, shigar da injin ruwa na 3500W don son zaɓar mai keɓewar da'ira na C20 yawanci, shigar da hitar ruwa 6500W don son amfani da mai watsewar C32.

Ana amfani da na'urar datsa don kare waya da hana wuta, don haka gwargwadon girman waya don zaɓar maimakon gwargwadon ƙarfin zaɓin lantarki.Idan na'urar kebul ɗin ya yi girma da yawa, ba zai kare waya ba.Lokacin da waya ta yi yawa, har yanzu na'urar keɓewa ba za ta yi tsalle ba, wanda zai kawo haɗarin ɓoye ga lafiyar gida.

1.5 square waya tare da C10 sauya

2.5 square waya tare da C16 ko 20 sauya

4 square waya tare da C25 sauya

6 square waya tare da C32 sauya

Dominiskada ake amfani da su don motoci tare da kaya, nau'in nau'in nau'in D ya kamata a zaba don kauce wa babban lokacin farawa na motar farawa wanda shine sau 5-8 mafi girma.

(2) Nau'in nau'in kewayawa na B: 2-3 sau rated halin yanzu, gabaɗaya ana amfani da shi don tsantsar juriya mai ƙarfi da da'ira mai ƙarancin wutar lantarki, galibi ana amfani da shi don akwatin rarrabawar gida, don kare kayan gida da amincin mutum, ƙarancin amfani a halin yanzu.

(3) nau'in nau'in nau'in nau'in nau'in nau'in nau'in nau'in nau'in nau'in nau'in nau'in nau'in nau'in nau'in nau'i nau'in nau'in nau'in nau'in nau'in nau'in nau'in nau'in nau'in nau'in nau'in nau'in nau'in nau'in nau'in nau'in nau'in nau'in nau'in nau'in nau'in nau'in nau'in nau'in nau'in nau'in nau'in nau'in nau'in nau'in nau'in nau'in nau'in nau'in nau'in nau'in nau'in nau'in nau'in nau'in nau'in nau'in nau'i nau'i nau'i nau'i nau'i nau'i nau'i nau'i nau'i nau'i nau'i nau'i nau'i nau'i 3): 5-10 ya kamata ya kasance a cikin 0.1 seconds a kashe, mafi yawan abin da ake amfani da shi shine mafi yawan abin da ake amfani da shi don kare layin rarraba da hasken wuta tare da mafi girman sauyawa na halin yanzu.

(4) D nau'in mai watsewar kewayawa: 10-20 sau da aka ƙididdige halin yanzu, galibi a cikin amfani da lantarki nan take na yanzu ya fi girma yanayi, dangi na gabaɗaya yana da ƙarancin amfani da shi, ya dace da babban ma'anar kaya da babban tasiri na tsarin yanzu, galibi ana amfani dashi don karewa. kayan aiki tare da babban tasiri na halin yanzu.