Intshayelelo: Ukubaluleka koKhuseleko loMbane
Umbane, ubomi obungabonakaliyo boluntu lwanamhlanje, unika amandla amakhaya ethu, amashishini, kunye nezinto ezintsha. Ukanti, la mandla ayimfuneko athwala imingcipheko yendalo, ngokuyintloko ingozi yokothuka kombane nomlilo obangelwa ziimpazamo. IZixhobo zangoku eziSisalelayo (i-RCDs) zime njengabalindi ababalulekileyo ngokuchasene nezi ngozi, zikhupha ngokukhawuleza unikezelo lombane xa zibhaqa imisinga eyingozi evuzayo equkuqela emhlabeni. Ngelixa ii-RCD ezisisigxina ezidityanisiweyo kwiiyunithi zabathengi zibonelela ngokhuseleko oluyimfuneko kwiisekethe zonke, i-Socket-Outlet Residual Current Devices (SRCDs) inikezela ngokhuseleko olulodwa, oluguquguqukayo, kunye nolujoliswe kakhulu. Eli nqaku libanzi ligocagoca kwihlabathi le-SRCDs, liphonononga ukusebenza kwazo kobuchwephesha, usetyenziso olwahlukeneyo, iimpawu eziphambili zokusebenza, kunye nezibonelelo ezinyanzelisayo zemveliso ezibenza zibe zizixhobo eziyimfuneko zokuphucula ukhuseleko lombane kwiindawo ezininzi.

1. Ukunciphisa i-SRCD: Inkcazo kunye neNgcaciso enguNdoqo
I-SRCD luhlobo oluthile lwe-RCD ehlanganiswe ngokuthe ngqo kwi-socket-outlet (i-receptacle). Idibanisa ukusebenza kwesiseko sombane esiqhelekileyo kunye nokukhusela ubomi be-RCD ngaphakathi kweyunithi enye, i-plug-in unit. Ngokungafaniyo nee-RCD ezisisigxina ezikhusela zonke iisekethe ezisezantsi ukusuka kwiyunithi yabathengi, i-SRCD ibonelela ngokhuseleko lwasekhayakuphelaizixhobo eziplagwe ngqo kuyo. Yicinge njengonogada wokhuseleko lomntu owabelwe ngokukodwa kweso sokethi inye.

Umgaqo osisiseko emva kwazo zonke ii-RCDs, kubandakanywa ii-SRCDs, nguMthetho wangoku we-Kirchhoff: umsinga oqukuqelayo kwisekethe kufuneka ulingane nompompoza ophumayo. Ngaphantsi kweemeko eziqhelekileyo zokusebenza, i-current in the live (phase) conductor kunye nomqhubi ongathathi hlangothi bayalingana kwaye bachasene. Nangona kunjalo, ukuba iphoso lenzeka - njenge-insulation ye-cable eyonakalisiweyo, umntu ochukumisa indawo ephilayo, okanye ukungena kwamanzi - enye yangoku inokufumana indlela engalindelekanga emhlabeni. Oku kungalingani kubizwa ngokuba ngumsinga oshiyekileyo okanye umsinga ovuzayo womhlaba.

2. Indlela ii-SRCDs eziSebenza ngayo: iNdlela yokuSeva nokuThabatha
Icandelo elingundoqo elivumela ukusebenza kwe-SRCD yi-transformer yangoku (CT), ngokuqhelekileyo i-toroidal (emile okwesangqa) engundoqo ejikeleze zombini ii-conductor eziphilileyo nezingathathi hlangothi ezibonelela nge-socket-outlet.

1. Ukubeka iliso ngokuqhubekayo: I-CT isoloko ibeka iliso kwi-vector sum of currents flowing in the live and neutral conductors. Ngaphantsi kweemeko eziqhelekileyo, ezingenaziphene, le misinga iyalingana kwaye ichasene, ibangele i-net magnetic flux ye-zero ngaphakathi kwe-CT core.
2. Ukufunyanwa kwangoku okushiyekileyo: Ukuba isiphene sibangela ukuba umsinga uvuze emhlabeni (umzekelo, ngomntu okanye isixhobo esinempazamo), imbuyekezo yangoku nge-conductor engathathi hlangothi iya kuba ngaphantsi kokungena ngoku nge-conductor ephilayo. Oku kungalingani kudala i-net magnetic flux kwi-CT core.
3. IsiZukulwana soMqondiso: Ukutshintsha kwemagnethi eguquguqukayo kubangela amandla ombane kumoya wesibini ojikelezwe kumbindi weCT. Lo mbane wenziwayo ulingana nobukhulu bangoku obushiyekileyo.
4. Ukucutshungulwa koMbane: Umqondiso owenziweyo wondliwa kwiisekethe ze-elektroniki ezibuthathaka ngaphakathi kwe-SRCD.
5. Isigqibo sohambo kunye nokuSebenzisa: Ii-electronics zithelekisa inqanaba langoku lentsalela eliboniweyo ngokuchasene nomda wobuzwe osetwe kwangaphambili we-SRCD (umz., 10mA, 30mA, 300mA). Ukuba intsalela yangoku idlula lo mqobo, i-circuitry ithumela umqondiso kwi-relay ye-electromagnetic esebenza ngokukhawuleza okanye i-slid-state switch.
6. Ukuqhawulwa kwamandla: I-relay / iswitch ivula ngokukhawuleza abafowunelwa abanikezela zombini ii-conductor eziphilileyo kunye nezingathathi hlangothi kwi-socket-outlet, ukusika amandla ngaphakathi kwee-milliseconds (ngokuqhelekileyo ngaphantsi kwe-40ms kwi-30mA yezixhobo kwi-residual current . Oku kuqhawulwa ngokukhawuleza konxibelelwano kuthintela ukothuka kombane okunokubulala okanye kunqande umlilo ophuhlayo obangelwa yimisinga evuzayo eqhubekayo ejikeleza ngemathiriyeli enokutsha.
7. Ukuseta kwakhona: Nje ukuba impazamo isusiwe, i-SRCD isenokuthi isetwe ngokutsha ngesandla kusetyenziswa iqhosha kwi-faceplate yayo, ibuyisela amandla kwisokethi.

3. IiNdlela eziPhambili eziSebenzayo zee-SRCDs zale mihla
Ii-SRCDs zanamhlanje zibandakanya izinto ezininzi ezinobunkunkqele ngaphaya kokufunyanwa kwentsalela yangoku:

• Uvakalelo (IΔn): Le yintsalela esebenzayo yangoku, inqanaba apho i-SRCD yenzelwe ukuhamba. Iimvakalelo eziqhelekileyo ziquka:
  • I-Sensitivity ephezulu (≤ 30mA): Ngokuyintloko kukukhusela kwi-shock yombane. I-30mA ngumgangatho wokhuseleko lomntu jikelele. Iinguqulelo ze-10mA zibonelela ngokhuseleko olongezelelweyo, oluhlala lusetyenziswa kwiindawo zonyango okanye kwiindawo ezinomngcipheko ophezulu.
  • Uvakalelo oluPhakathi (umz., 100mA, 300mA): Ikakhulu ukukhusela imingcipheko yomlilo ebangelwa ziziphene eziqhubekayo zokuvuza komhlaba, ezidla ngokusetyenziswa apho ukuvuza okungasemva okuphezulu kunokulindelwa (umz., oomatshini boshishino, ufakelo oludala). Inokubonelela ngokhuseleko lokothuka.
• Uhlobo lweFault yangoku yokuFumana: Ii-SRCDs ziyilelwe ukuphendula kwiindidi ezahlukeneyo zemisinga eshiyekileyo:
  • Uhlobo lwe-AC: Ifumanisa imisinga eshiyekileyo ye-sinusoidal kuphela. Ininzi eqhelekileyo kunye neyoqoqosho, ilungele imithwalo ye-resistive jikelele, i-capacitive, kunye ne-inductive ngaphandle kwezinto zombane.
  • Uhlobo A: Ibona yomibini imisinga ye-AC eshiyekileyokwayeukutyhala imisinga yentsalela ye-DC (umzekelo, kwizixhobo zombane ezinesiqingatha sokulungiswa kwamaza njengezixhobo ezithile zombane, iidimmers ezikhanyayo, oomatshini bokuhlamba). Iyimfuneko kwimo engqongileyo yanamhlanje enezixhobo zombane. Ukukhula ukuba ngumgangatho.
  • Uhlobo F: Ilungiselelwe ngokukodwa iisekethe ezibonelela ngesantya esitshintshayo senqanaba elinye (ii-inverters) ezifumaneka kwizixhobo ezifana noomatshini bokuhlamba, i-air conditioners, kunye nezixhobo zamandla. Inikezela ngokhuseleko olwandisiweyo kukukhubeka okubangelwa kukuvuza kwamaza omoya okwenziwa koku kuqhuba.
  • Uhlobo B: Ifumanisa i-AC, i-pulsating DC,kwayeimisinga yentsalela ye-DC egudileyo (umzekelo, ukusuka kwi-PV inverters, iitshaja ze-EV, iinkqubo ezinkulu ze-UPS). Isetyenziswa ikakhulu kwishishini okanye kwizicelo ezikhethekileyo zorhwebo.
• Ixesha lokuHamba: Ixesha eliphezulu phakathi kwentsalela yangoku edlula i-IΔn kunye nokuqhawulwa kwamandla. Ukulawulwa ngokwemigangatho (umz., IEC 62640). Kwi-30mA SRCDs, oku ngokuqhelekileyo ≤ 40ms e-IΔn kunye ne-≤ 300ms kwi-5xIΔn (150mA).
• Ilinganiswe yangoku (In): Ubuninzi obuqhubekayo ngoku i-socket ye-SRCD inokubonelela ngokukhuselekileyo (umzekelo, i-13A, i-16A).
• Ukukhuselwa ngokuPheleleyo (Ukhetho kodwa oluQhelekileyo): Ii-SRCD ezininzi zibandakanya ukhuseleko oluluqilima oludityanisiweyo, ngokuqhelekileyo i-fuse (umzekelo, i-13A BS 1362 fuse kwiiplagi zase-UK) okanye ngamanye amaxesha i-miniature circuit breaker (MCB), ukukhusela i-socket kunye nesixhobo esiplagiweyo kwi-overload kunye ne-short-circuit currents.Okubaluleke kakhulu, le fuse ikhusela isekethe ye-SRCD ngokwayo; i-SRCD ayithathi ndawo imfuno yee-MCBs ezinyukayo kwiyunithi yabathengi.
• I-Tamper-Resistant Shutters (TRS): Isinyanzelo kwimimandla emininzi, ezi zitshixo zilayishwe entwasahlobo zivala ukufikelela kubafowunelwa abaphilayo ngaphandle kokuba zombini izikhonkwane zeplagi zifakwe ngaxeshanye, zinciphisa kakhulu umngcipheko wokutshatyalaliswa kombane, ngakumbi kubantwana.
• IQhosha loVavanyo: Uphawu olusisinyanzelo oluvumela abasebenzisi ukuba ngamaxesha athile balingise intsalela yesiphene sangoku kwaye baqinisekise ukuba isixhobo sokukhubeka siyasebenza. Kufuneka icinezelwe rhoqo (umzekelo, ngenyanga).
• Isalathiso sohambo: Iimpawu ezibonakalayo (ngokuqhelekileyo iqhosha elinemibala okanye iflegi) zibonisa ukuba i-SRCD ikwi-"ON" (amandla akhoyo), "OFF" (icinywe ngesandla), okanye "I-Tripped" (impazamo ifunyenwe) kwimeko.
• I-Mechanical & Durability yoMbane: Yenzelwe ukumelana nenani elichaziweyo lemisebenzi yomatshini (ukufakwa kweeplagi / ukususwa) kunye nokusebenza kombane (imijikelo yokukhwela) ngokwemigangatho (umzekelo, i-IEC 62640 ifuna ≥ 10,000 imisebenzi yomatshini).
• Ukukhuselwa kokusiNgqongileyo (Imilinganiselo ye-IP): Ifumaneka kwii-IP ezahlukeneyo (uKhuseleko lokuNgena) kwiindawo ezahlukeneyo (umzekelo, i-IP44 yokumelana nokuchaphaza kwiikhikhini / kumagumbi okuhlambela, i-IP66 / 67 yokusetyenziswa kwangaphandle / kwimizi mveliso).

4. Izicelo ezohlukeneyo zee-SRCDs: uKhuseleko oluJolisiweyo apho lufuneka khona
Ubume obukhethekileyo beplagi kunye nomdlalo wee-SRCDs zibenza baguquguquke ngendlela emangalisayo ukomeleza ukhuseleko kwiimeko ezininzi:

• Iisetingi zendawo yokuhlala:
  • IiNdawo ezinoMngcipheko omkhulu: Ukubonelela ngokhuseleko oluyimfuneko olongezelelweyo kumagumbi okuhlambela, ekhitshini, eigaraji, kwiindawo zokusebenzela, nakwiisokethi zangaphandle (igadi, iipatis) apho umngcipheko wokothuka kombane uphakamile ngenxa yobukho bamanzi, imigangatho yokuqhuba, okanye ukusetyenziswa kwezixhobo eziphathwayo. Ibalulekile ukuba eyona yunithi ingundoqo yee-RCDs azikho, ziphosakele, okanye zibonelela ngokhuseleko olugciniweyo kuphela (Uhlobo lwe-S).
  • Ukufakela kwakhona iiFakelo eziDala: Ukuphucula ukhuseleko kumakhaya angenalo naluphi na ukhuseleko lwe-RCD okanye apho kukho ukhuselo oluyinxenye kuphela, ngaphandle kweendleko kunye nokuphazamiseka kokufakwa kweewiring ngokutsha okanye ukutshintshwa kweyunithi yomthengi.
  • Ukhuseleko lweSixhobo esiKhethekileyo: Ukukhusela izixhobo zombane ezinobungozi okanye ezixabisekileyo ezifana nezixhobo zombane, oomatshini bokucheba ingca, oomatshini bokuhlamba, izifudumezi eziphathwayo, okanye iimpompo zasemanzini ngokuthe ngqo kwindawo ezisetyenziswa kuyo.
  • Iimfuno zexeshana: Ukubonelela ngokhuseleko lwezixhobo ezisetyenziswa ngexesha lokulungiswa okanye iiprojekthi ze-DIY.
  • Ukhuseleko lwaBantwana: Izivalo ze-TRS ezidityaniswe nokhuseleko lwe-RCD zibonelela ngokhuseleko olubalulekileyo kumakhaya anabantwana abancinci.
• Ubume boRhwebo:
  • Ii-Ofisi: Ukukhusela izixhobo ze-IT ezinovakalelo, izifudumezi eziphathekayo, iiketile, kunye nezicoci, ngakumbi kwiindawo ezingagqunywanga zii-RCD ezisisigxina okanye apho inkathazo yokukhubeka kwe-RCD engundoqo iya kuphazamisa kakhulu.
  • Ukuthengisa & Ukwamkela iindwendwe: Ukuqinisekisa ukhuseleko lwezixhobo zokubonisa, izixhobo zokupheka eziphathwayo (izifudumezi zokutya), izixhobo zokucoca, kunye nezibane zangaphandle/izixhobo.
  • Ukhathalelo lwempilo (Non-Critical): Ukubonelela ngokhuseleko kwiiklinikhi, utyando lwamazinyo (iindawo ezingezizo ze-IT), amagumbi okulinda, kunye neendawo zolawulo lwezixhobo eziqhelekileyo. (Qaphela: Iinkqubo ze-IT zonyango kwiithiyetha ezisebenzayo zifuna iinguqu ezikhethekileyo zokwahlula, hayi ii-RCD/SRCDs eziqhelekileyo).
  • Amaziko eMfundo: Ibalulekile kumagumbi okufundela, kwiilabhoratri (ingakumbi kwizixhobo eziphathwayo), iindibano zocweyo, kunye namagumbi e-IT ukukhusela abafundi nabasebenzi. I-TRS ibalulekile apha.
  • IZibonelelo zoLonwabo: Ukukhusela izixhobo kwiindawo zokuzivocavoca, iindawo zokuqubha (ngokufanelekileyo i-IP-rated), kunye namagumbi okutshintsha.
• Iindawo zoShishino noLwakhiwo:
  • Ulwakhiwo kunye nokudilizwa: Okubaluleke kakhulu. Ukunika amandla izixhobo eziphathwayo, iinqaba zokukhanyisa, iijenereyitha, kunye neeofisi zesayithi kwiindawo ezinzima, ezimanzi, kunye nezihlala zitshintsha apho umonakalo wentambo uxhaphake. Ii-SRCD eziphathwayo okanye ezo zidityaniswe kwiibhodi zokusasaza zisindisa ubomi.
  • Iindibano zocweyo kunye noLondolozo: Ukukhusela izixhobo eziphathwayo, izixhobo zovavanyo, kunye noomatshini kwiindawo zokugcina umzi-mveliso okanye iindibano zocweyo ezincinci.
  • Ufakelo lweThutyana: Iziganeko, imiboniso, iiseti zefilimu - naphi na amandla okwethutyana afuneka kwiindawo ezinokuba yingozi.
  • Ukukhuselwa kwe-Backup: Ukubonelela ngoluhlu olongezelelweyo lokhuseleko ezantsi ukusuka kwii-RCD ezisisigxina, ngokukodwa kwizixhobo eziphathwayo ezibalulekileyo.
• Usetyenziso olukhethekileyo:
  • Ulwandle kunye neekharavani: Kubalulekile kukhuseleko kwizikhephe, iiyachts, kunye neekharavani/ii-RVs apho iinkqubo zombane zisebenza kufutshane namanzi kunye ne-conductive hulls/chassis.
  • AmaZiko eeNkcukacha (iZixhobo zePeripheral): Ukukhusela iimonitha, izixhobo ezincedisayo, okanye izixhobo zethutyana ezifakwe kufutshane neerack zeseva.
  • Ufakelo lwaMandla aVuselelwayo (Oluphathekayo): Ukukhusela izixhobo eziphathwayo ezisetyenziswa ngexesha lofakelo okanye ukugcinwa kweepaneli zelanga okanye iiinjini zomoya ezincinci.

5. Izinto eziluncedo kwiMveliso yee-SRCDs
Ii-SRCDs zibonelela ngeseti eyahlukileyo yezibonelelo eziqinisa indima yazo kwizicwangciso zangoku zokhuseleko lombane:

1. Ukhuseleko olujolisiweyo, lweNdawo: Inzuzo yabo yokuqala. Banikezela ngokhuseleko lwe-RCDngokukodwaisixhobo sombane siplage kuzo. Isiphene kwisixhobo esinye sihamba kuphela loo SRCD, ishiya ezinye iisekethe kunye nezixhobo zombane zingachaphazelekanga. Oku kuthintela ukulahleka kwamandla okungeyomfuneko kunye nokuphazamiseka kuyo yonke isiphaluka okanye isakhiwo - umba obalulekileyo kunye nee-RCD ezisisigxina ("i-nuisance tripping").
2. I-Retrofit Ukulula kunye nokuGuquleka: Ufakelo luqhelekile lula njengokuplaga i-SRCD kwindawo ekhoyo ekhoyo yesokethi-yokuphuma. Akukho mfuneko yabasebenzi bombane abaqeqeshiweyo (kwimimandla emininzi kwiindidi zeplagi), ukuguqulwa kweengcingo ezintsonkothileyo, okanye ukuguqulwa kweeyunithi zabathengi. Oku kwenza uphuculo lokhuseleko lube lula kakhulu kwaye lungabizi kakhulu, ngakumbi kwiipropathi ezindala.
3. Ukuphatheka: I-plug-in SRCDs inokuhanjiswa ngokulula ukuya naphi na apho ukhuseleko lufuneka kakhulu. Thatha kwi-workshop yegaraji ukuya egadini, okanye ukusuka kumsebenzi wokwakha omnye ukuya komnye.
4. Iindleko-zokusebenza (ngeNqanaba ngalinye lokuSebenzisa): Nangona ixabiso leyunithi ye-SRCD liphezulu kunesokhethi eqhelekileyo, iphantsi kakhulu kuneendleko zokufakela isiphaluka esitsha esisisigxina se-RCD okanye ukuphuculwa kweyunithi yomthengi, ngakumbi xa ukhuseleko lufuneka kuphela kumanqaku athile athile.
5. Ukhuseleko olomeleziweyo kwiiNdawo ezikuMngcipheko oMkhulu: Ibonelela ngokhuseleko olubalulekileyo kanye apho umngcipheko mkhulu khona (izindlu zangasese, amakhitshi, ngaphandle, iindawo zokusebenzela), ukuncedisana okanye ukutshintshwa kwee-RCD ezisisigxina ezinokuthi zingaquki le mimandla ngokwahlukeneyo.
6. Ukuthotyelwa kweMigangatho yale mihla: Iququzelela ukuhlangabezana nemigaqo engqongqo yokhuseleko lombane (umz., IEC 60364, imimiselo yocingo yesizwe efana ne-BS 7671 e-UK, i-NEC e-US enezixhobo ze-GFCI ezifaniswayo) egunyazisa ukukhuselwa kwe-RCD kwiisokethi ezithile kunye neendawo, ngakumbi kwizakhiwo ezitsha kunye nohlaziyo. Ii-SRCDs zamkelwa ngokucacileyo kwimigangatho efana ne-IEC 62640.
7. Ukuqinisekiswa koMsebenzisi-oMsebenzi: Iqhosha lokuvavanya elihlanganisiweyo livumela abasebenzisi abangengobuchwephesha ukuba baqinisekise ngokulula kwaye rhoqo ukuba umsebenzi wokukhusela isixhobo uyasebenza.
8. I-Tamper-Resistant Shutters (TRS): Ukhuseleko lwabantwana oludibeneyo luphawu oluqhelekileyo, lunciphisa kakhulu umngcipheko wokutshatyalaliswa kwezinto ezifakwe kwi-socket.
9. Uvakalelo oluthile lweSixhobo: Ivumela ukukhetha obona buntununtunu (umzekelo, 10mA, 30mA, Uhlobo A, F) kwisixhobo esithile esikhuselweyo.
10. UkuNcitshiswa koMngcipheko wokuHamba iNuisance: Ngenxa yokuba bejonga kuphela ukuvuza kwangoku kwesixhobo esinye, abakhuselekanga ngokubanzi kukukhubeka okubangelwa kukuvuza okudityanisiweyo, okungenabungozi okungasemva kwezixhobo ezininzi kwisekethe ekhuselwe yi-RCD enye esisigxina.
11. UKhuseleko lwaMandla lweThutyana: Isisombululo esifanelekileyo sokuqinisekisa ukhuseleko xa usebenzisa izikhokelo zokwandisa okanye iijenereyitha kwiimfuno zamandla okwethutyana kwiziza okanye kwimisitho.

6. Ii-SRCDs vs. Ii-RCD ezizinzileyo: Iindima ezongezelelweyo
Kubalulekile ukuqonda ukuba ii-SRCDs aziyondawo yee-RCD ezisisigxina kwiyunithi yabathengi, kodwa isisombululo esongezelelweyo:

• Ii-RCD ezizinzileyo (kwiYunithi yabaThengi):
  • Khusela iisekethe ezipheleleyo (iisokethi ezininzi, izibane).
  • Funa ufakelo lobungcali.
  • Ukubonelela ngokhuseleko olusisiseko oluyimfuneko kwiintambo kunye nezixhobo ezisisigxina.
  • Impazamo enye inokuqhawula umbane kwiivenkile ezininzi/izixhobo zombane.
• Ii-SRCDs:
  • Khusela kuphela isixhobo esinye esifakwe kuzo.
  • Ufakelo olulula lweplagi (iintlobo eziphathekayo).
  • Ukubonelela ngokhuseleko ekujoliswe kulo kwiindawo ezinomngcipheko ophezulu kunye nezixhobo eziphathekayo.
  • Isiphene sikwahlula kuphela isixhobo sombane esingasebenziyo.
  • Nikeza ukuthwaleka kunye ne-retrofit lula.

Esona sicwangciso sinamandla sokhuseleko sombane sihlala sisebenzisa indibaniselwano: ii-RCD ezizinzileyo ezibonelela ngokhuseleko lwenqanaba lesekethe (enokuthi ibe zii-RCBOs zokukhethwa kweesekethe zomntu ngamnye) zongezwa zii-SRCDs kwiindawo ezinobungozi obukhulu okanye kwizixhobo ezithile eziphathwayo. Le ndlela yokulinganisa inciphisa zombini umngcipheko kunye nokuphazamiseka.

7. Imigangatho kunye neMimiselo: Ukuqinisekisa uKhuseleko kunye nokuSebenza
Uyilo, uvavanyo, kunye nokusebenza kwee-SRCDs kulawulwa yimigangatho engqongqo yamazwe ngamazwe neyesizwe. Umgangatho ophambili ngulo:

• IEC 62640:Izixhobo zangoku ezishiyekileyo kunye okanye ngaphandle kokhuseleko oludlulayo kwii-socket-outlets (SRCDs).Lo mgangatho uchaza iimfuno ezithile zee-SRCDs, kuquka:
  • Iimfuno zokwakha
  • Iimpawu zokusebenza (ubuntununtunu, amaxesha okukhubeka)
  • Iinkqubo zovavanyo (oomatshini, umbane, indalo esingqongileyo)
  • Ukumakishwa kunye namaxwebhu

Ii-SRCDs kufuneka kwakhona zihambelane nemigangatho efanelekileyo yee-socket-outlets (umzekelo, i-BS 1363 yase-UK, i-AS/NZS 3112 e-Australia/NZ, ulungelelwaniso lwe-NEMA e-US) kunye nemigangatho ye-RCD ngokubanzi (umz., IEC 61008, IEC 61009). Ukuthobela kuqinisekisa ukuba isixhobo sihlangabezana nemigangatho yokhuseleko oluyimfuneko kunye nokusebenza. Khangela amanqaku esatifikethi kumaqumrhu avunyiweyo (umz., CE, UKCA, UL, ETL, CSA, SAA).

Isiphelo: Umaleko oBalulekileyo kumnatha woKhuseleko
I-Socket-Outlet Residual Current Devices imele ukuguquka okunamandla kunye nokusebenzayo kwi-teknoloji yokhuseleko lombane. Ngokudibanisa ugcino olugcina ubomi obushiyekileyo obufumanekayo ngokuthe ngqo kwi-socket-outlet, i-SRCDs ihambisa ukhuseleko olujoliswe kakhulu, oluguquguqukayo, kunye nolusebenziseka ngokulula ngokubhekiselele kwimingcipheko ehlala ikhona yokutshatyalaliswa kombane kunye nomlilo. Izibonelelo zabo - ukhuseleko lwasekhaya olususa iihambo eziphazamisayo zesekethe yonke, ukubuyisela umva, ukuphatheka, ukusebenza kakuhle kweendleko zamanqaku athile, kunye nokuthotyelwa kwemiyalelo yokhuseleko lwangoku - kubenza babaluleke kakhulu kuzo zonke iindawo zokuhlala, zorhwebo, kwimizi-mveliso, kunye nezicwangciso ezikhethekileyo.

Nokuba uphucula ikhaya elidala elingenazo ii-RCDs, ukhuseleko lwezixhobo zombane kwisiza sokwakha, ukukhusela impompo yedama lasegadini, okanye ukongeza nje umaleko owongezelelekileyo wokhuseleko kwigumbi lokulala lomntwana, i-SRCD imi njengomgadi ophaphileyo. Ixhobisa abasebenzisi ukuba balawule ngokuthe ngqo ukhuseleko lwabo lombane kwindawo yokusetyenziswa. Njengoko iinkqubo zombane ziba nzima ngakumbi kwaye imigangatho yokhuseleko iqhubeka nokuvela, i-SRCD ngokungathandabuzekiyo iya kuhlala iteknoloji yekona, iqinisekisa ukuba ukufikelela kumandla akuzi ngeendleko zokhuseleko. Utyalo-mali kwii-SRCDs lutyalo-mali ekuthinteleni intlekele kunye nokukhusela okona kubaluleke kakhulu.