Umhlahlandlela Osebenzayo wama-Residual Circuit Breaker amanje anokuvikela Okungaphezulu kwamanje

Iyini i-RCBO?

AnI-I-RCBO— isinqamuli sesekethe esisalelayo esinokuvikela okungaphezulu kwamanje — iyisivikelo esinamandla kagesi aphansi esihlanganisa ukuvikela ukugcwala kakhulu, ukuvikela isiyingi esifushane kanye nokutholwa kwamanje (ukuvuza) okuyinsalela kuyunithi eyodwa ebunjiwe. Ngaphakathi kwendlu ehlangene, indlela yohambo lwe-thermal-magnetic iphatha ukulayishwa ngokweqile kanye namasekhethi amafushane, kuyilapho i-transformer yamanje elandelanayo eyiziro ngokuqhubekayo iqhathanisa nokugeleza kwamanje kumakhondakta abukhoma naphakathi nendawo. Uma umehluko udlula umthamo wensalela olinganiselwe (IΔn), idivayisi ihamba phakathi kwama-millisecond, inqamula ukunikezwa ngaphambi kokuba ukuvuza kwamanje kungalimaza abantu noma kubangele umlilo.

Ungayikhetha nini i-RCBO: izifunda ezincane zokugcina ezidinga kokubili ukuvikela kwamanje kanye nokuvikelwa kokuvuza komuntu siqu - izinto ezifakwa ngaphandle, amasekhethi kagesi, amagaraji, amagumbi angaphansi, amagumbi okugeza nezinye izindawo ezimanzi noma ezifinyeleleka kalula.

I-DABL-63 ingeyesigaba se-RCBO: idivayisi eyodwa, ukuvikeleka okuthathu - ukukhetha kwesikhala kakhulu kanye nezindleko zamasekhethi wokugcina womndeni wesigaba esisodwa.

Ungakhetha kanjani i-RCBO efanele?

1. Isilinganiso samanje (Ngaphakathi): fanisa umthwalo oqhubekayo wesekethe, ne-headroom yama-inrush currents wezinto zikagesi (isb., i-40A ihlanganisa amasekhethi ajwayelekile ezinto zikagesi zasendlini).

2. Umthamo wokuphuka (i-Icn): kufanele ube ngaphezu kwamandla wesekethe emfishane endaweni yokufaka; I-6kA ifaka amazinga ajwayelekile amaphutha ezindawo zokuhlala nezohwebo.

3. Izigxobo: 1P+N zamasekhethi okugcina esigaba esisodwa anokugxunyekwa kwe-DIN-rail.

4. Isici sokuhamba: Ijika elingu-C (5–10× In) lemithwalo evamile yasendlini nezinto zikagesi; I-B-curve yama-elekthronikhi abucayi; I-D-curve yokuqala injini.

5. Amazinga nesitifiketi: Ukuthobela i-IEC/EN 61009-1 kanye nokumakwa kwe-CE kuyisisekelo samaphrojekthi wamazwe ngamazwe.

6. Isicelo: izitsha zangaphandle, amasekhethi ezinto zikagesi kanye nezibani zegalaji/zangaphansi zingadinga ukuzwela okuphezulu kunamasekhethi avamile angaphakathi.

Yeka ukuthi i-RCBO ecaciswe kahle ibukeka kanjani

Ukwenza lokhu kukhonkolo, cabanga nge-DABL-63 kusukaI-I-C·DADA Electric, i-1P+N eyinsalela ye-circuit breaker enokuvikela okungaphezulu kwamanje okubonisa ukuthi yini okufanele uyibheke kuleli klasi ledivayisi:1P+N ukucushwa

● Isigxobo esibukhoma sishintshiwe futhi singathathi hlangothi, sihlangene kumabhodi okusabalalisa we-DIN-rail ajwayelekile angu-40A alinganiselwe okwamanje (Ngaphakathi)

● Nge-C-curve tripping (C40) 230V ~ i-voltage elinganiselwe

● 6kA amandla okuphuka (Icn)

● IΔn = 0.01A (10mA) ukuvikelwa kwamanje okuyinsalela okuyinsalela

● Ukuthobela i-IEC/EN 61009-1

● Inkinobho yokuhlola ebomvu ye-T yokuhlolwa kokusebenza kwezikhathi ezithile, amatheminali amakwe ngokuthi 1/2/N, ilebula yokulinganisa nomdwebo wesekethe ophrintiwe endlini.

● Yakhelwe izinto zokubeka ngaphandle, izinto zasendlini, igaraji nezibani zangaphansi

I-logic ngemuva kwalokhu kucaciswa

Uhlaka lwe-40A, 1P+N olunokuvikelwa kokuvuza okuzwela kakhulu okungu-10mA lumboza iningi lamasekhethi okugcina okuhlala: I-40A ifana nomthwalo wezinto ezisetshenziswayo ezivamile namasekhethi asokhethi, i-1P+N igcina idivayisi ihlangene kumabhodi okusabalalisa aminyene, futhi ukuzwela okungu-10mA kunikeza isendlalelo esengeziwe sokuvikela komuntu siqu lapho isiqondiso se-IEC sidinga khona kanye nezingane ezingaphandle.

FAQ

Q: Iyini i-RCBO?

A: I-RCBO — isinqamuli sesekhethi esisele esinokuvikela okungaphezu kwamanje - iyisivikelo esisethelwe kabusha sevoltage ephansi ehlanganisa ukuvikelwa kokulayishwa ngokweqile, ukuvikelwa kwesiyingi esifushane nokuvikelwa kwamanje (ukuvuza) okuyinsalela kuyunithi eyodwa, ngokuvamile kufika ku-63A kumasekhethi okugcina.

Q: Uyini umehluko phakathi kwe-RCBO ne-MCB?

A: I-MCB ihlinzeka kuphela ngokuvikelwa kokulayishwa ngokweqile kanye nesekhethi esifushane. I-RCBO yengeza ukutholwa kwensalela yamanje (ukuvuza) phezulu, inqamula isekethe uma ukuvuza kudlula i-IΔn — ivikela abantu futhi ivimbe umlilo kagesi.

Q: Isho ukuthini i-IΔn = 10mA?

A: I-IΔn iyinsalela yokusebenza yamanje. I-10mA isilinganiso sokuzwela okuphezulu: idivayisi iyahamba uma ukuvuza kwamanje kufinyelela ku-10mA, ihlinzeka ngokuvikelwa komuntu siqu okusheshayo kunesilinganiso senhloso evamile esingu-30mA.

Q: Iyini i-DABL-63 RCBO?

A: I-DABL-63 iyisihlukanisi sesekhethi sensalela esingu-1P+N esinokuvikelwa okungaphezulu kwamanje okuvela ku-C·DADA Electric — 40A, C-curve, 230V~, 6kA umthamo wokuphuka kanye nokuvikelwa kokuvuza okuzwela kakhulu okungu-10mA, kuthobelana ne-IEC/EN 61009-1, yezibani zasendlini/izitsha zasendlini, izinsimbi zasendlini nezisetshenziswa zangaphandle.

Oxhumana naye

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