Qhov tseem ceeb ntawm Hom B RCDs hauv Kev Siv Hluav Taws Xob Niaj Hnub: Ua kom muaj kev nyab xeeb hauv AC thiab DC Circuits

Hom B Residual Current Devices (RCDs)yog cov cuab yeej tshwj xeeb kev nyab xeeb uas pab tiv thaiv hluav taws xob thiab hluav taws xob hauv cov tshuab siv hluav taws xob ncaj qha (DC) lossis tsis muaj hluav taws xob tsis zoo. Tsis zoo li RCDs li niaj zaus uas tsuas yog ua hauj lwm nrog alternating tam sim no (AC), Hom B RCDs tuaj yeem ntes thiab nres qhov tsis raug ntawm AC thiab DC circuits. Qhov no ua rau lawv tseem ceeb heev rau cov ntawv thov hluav taws xob tshiab xws li cov chaw nres tsheb fais fab, lub hnub ci vaj huam sib luag, cua turbines, thiab lwm yam khoom siv uas siv DC fais fab lossis muaj hluav taws xob tsis zoo.

Hom B RCDs muab kev tiv thaiv zoo dua thiab kev nyab xeeb hauv cov tshuab hluav taws xob niaj hnub uas DC thiab tsis yog tus qauv tsis zoo. Lawv tau tsim los txiav tawm lub zog hluav taws xob thaum lawv pom qhov tsis sib xws lossis ua txhaum, tiv thaiv cov xwm txheej uas muaj kev phom sij. Raws li qhov kev thov rau lub tshuab hluav taws xob tauj dua tshiab thiab lub tsheb hluav taws xob txuas ntxiv mus, Hom B RCDs tau dhau los ua qhov tseem ceeb rau kev ua kom muaj kev nyab xeeb ntawm cov thev naus laus zis tshiab no. Lawv pab tiv thaiv hluav taws xob poob siab, hluav taws kub, thiab kev puas tsuaj rau cov cuab yeej rhiab heev los ntawm kev tshawb pom sai thiab nres txhua qhov tsis raug ntawm cov hluav taws xob. Zuag qhia tag nrho, Hom B RCDs yog qhov kev nce qib tseem ceeb hauv kev nyab xeeb hluav taws xob, pab kom tib neeg thiab cov khoom muaj kev nyab xeeb hauv lub ntiaj teb nrog kev siv hluav taws xob ntau ntxiv thiab cov hluav taws xob tsis zoo.

Nta ntawm JCRB2-100 Hom B RCDs

JCRB2-100 Hom B RCDs yog cov cuab yeej siv hluav taws xob zoo tshaj plaws tsim los muab kev tiv thaiv ntau yam kev ua txhaum hauv cov tshuab hluav taws xob niaj hnub no. Lawv cov yam ntxwv tseem ceeb muaj xws li:

Tripping Sensitivity: 30mA

Lub tripping rhiab heev ntawm 30mA ntawm JCRB2-100 Hom B RCDs txhais tau hais tias lub cuab yeej yuav kaw lub hwj chim yog tias nws pom cov hluav taws xob tawm ntawm 30 milliamps (mA) lossis siab dua. Qhov kev nkag siab ntawm qib no yog qhov tseem ceeb rau kev ua kom muaj kev tiv thaiv siab tiv thaiv hluav taws xob los yog hluav taws kub nyhiab los ntawm kev ua txhaum hauv av lossis cov dej ntws tawm. Qhov hluav taws xob tam sim no ntawm 30mA lossis ntau dua tuaj yeem ua rau muaj kev phom sij heev, muaj peev xwm ua rau raug mob hnyav lossis tuag taus yog tias tsis kuaj xyuas. Los ntawm kev txav mus los ntawm qhov qis qis no, JCRB2-100 pab tiv thaiv cov xwm txheej tsis zoo no tshwm sim, txiav tawm sai sai ua ntej qhov txhaum tuaj yeem ua rau muaj kev phom sij.

2-Pole / Ib Theem

JCRB2-100 Hom B RCDs yog tsim los ua 2-ncej li, uas txhais tau hais tias lawv yog npaj rau siv nyob rau hauv ib-theem hluav taws xob systems. Cov kab ke ib ntus feem ntau pom muaj nyob hauv cov tsev nyob, chaw ua haujlwm me, thiab cov tsev lag luam teeb pom kev zoo. Hauv cov kev teeb tsa no, lub zog ib-theem feem ntau yog siv rau lub zog hluav taws xob, khoom siv, thiab lwm yam khoom siv hluav taws xob me me. Kev teeb tsa 2-ncej ntawm JCRB2-100 tso cai rau nws los saib xyuas thiab tiv thaiv ob qho tib si nyob thiab nruab nrab cov neeg ua haujlwm nyob rau hauv ib lub voj voog ib zaug, ua kom muaj kev tiv thaiv zoo tiv thaiv kev ua txhaum uas tuaj yeem tshwm sim ntawm ob kab. Qhov no ua rau cov cuab yeej zoo tsim nyog rau kev tiv thaiv ib-theem kev teeb tsa, uas muaj ntau yam nyob rau hauv ib puag ncig txhua hnub.

Kev ntsuas tam sim no: 63A

JCRB2-100 Hom B RCDs muaj qhov ntsuas tam sim no ntawm 63 amps (A). Qhov kev ntsuam xyuas no qhia txog qhov siab tshaj plaws ntawm cov hluav taws xob tam sim no uas lub cuab yeej tuaj yeem ua haujlwm tau zoo nyob rau hauv ib txwm ua haujlwm yam tsis muaj tripping lossis dhau mus. Hauv lwm lo lus, JCRB2-100 tuaj yeem siv los tiv thaiv hluav taws xob hluav taws xob nrog cov khoom thauj mus txog 63 amps. Qhov kev ntsuas tam sim no ua rau cov cuab yeej tsim nyog rau ntau qhov chaw nyob thiab kev lag luam teeb pom kev zoo, qhov twg cov khoom siv hluav taws xob feem ntau poob hauv qhov ntau. Txawm li cas los xij, nws yog ib qho tseem ceeb uas yuav tsum nco ntsoov tias txawm tias qhov tam sim no nyob rau hauv qhov ntsuas 63A, JCRB2-100 tseem yuav mus yog tias nws pom qhov xau tam sim no ntawm 30mA lossis ntau dua, vim qhov no yog nws qhov tsis txaus ntseeg qib rau kev tiv thaiv txhaum.

Kev ntsuas hluav taws xob: 230V AC

JCRB2-100 Hom B RCDs muaj qhov ntsuas hluav taws xob ntawm 230V AC. Qhov no txhais tau hais tias lawv tau tsim los siv rau hauv cov tshuab hluav taws xob uas ua haujlwm ntawm nominal voltage ntawm 230 volts alternating tam sim no (AC). Qhov ntsuas hluav taws xob no muaj nyob hauv ntau daim ntawv thov kev lag luam hauv tsev thiab teeb pom kev zoo, ua rau JCRB2-100 haum rau siv hauv cov cheeb tsam no. Nws yog ib qho tseem ceeb uas yuav tsum nco ntsoov tias cov cuab yeej yuav tsum tsis txhob siv hauv cov tshuab hluav taws xob uas muaj qhov hluav taws xob siab dua li qhov ntsuas hluav taws xob, vim qhov no tuaj yeem ua rau lub cuab yeej puas lossis cuam tshuam nws lub peev xwm ua haujlwm kom raug. Los ntawm kev ua raws li 230V AC qhov ntsuas hluav taws xob, cov neeg siv tuaj yeem ua kom ntseeg tau tias JCRB2-100 yuav ua haujlwm nyab xeeb thiab ua haujlwm tau zoo hauv nws qhov kev xav tau voltage.

Luv-Circuit Tam sim no muaj peev xwm: 10kA

Lub peev xwm luv luv tam sim no ntawm JCRB2-100 Hom B RCDs yog 10 kiloamps (kA). Qhov kev ntsuas no yog hais txog qhov siab tshaj plaws ntawm qhov luv-circuit tam sim no lub cuab yeej tuaj yeem tiv taus ua ntej muaj feem cuam tshuam kev puas tsuaj lossis ua tsis tiav. Qhov luv-circuit tam sim no tuaj yeem tshwm sim hauv cov tshuab hluav taws xob vim yog qhov tsis raug lossis cov xwm txheej tsis zoo, thiab lawv tuaj yeem ua rau siab heev thiab muaj feem cuam tshuam. Los ntawm muaj lub peev xwm luv luv tam sim no ntawm 10kA, JCRB2-100 yog tsim los ua haujlwm thiab muab kev tiv thaiv txawm tias muaj teeb meem luv luv, txog li 10,000 amps. Qhov no ua kom ntseeg tau tias lub cuab yeej tuaj yeem tiv thaiv hluav taws xob zoo thiab nws cov khoom hauv qhov xwm txheej ntawm qhov teeb meem tam sim no.

Kev tiv thaiv IP20

JCRB2-100 Hom B RCDs muaj qhov ntsuas IP20 tiv thaiv, uas sawv cev rau "Ingress Protection" rating 20. Qhov kev ntsuas no qhia tias cov cuab yeej tiv thaiv cov khoom loj dua 12.5 millimeters loj, xws li cov ntiv tes lossis cov cuab yeej. Txawm li cas los xij, nws tsis muab kev tiv thaiv dej los yog lwm yam kua. Raws li qhov tshwm sim, JCRB2-100 tsis haum rau kev siv sab nraum zoov lossis kev teeb tsa hauv qhov chaw uas nws yuav raug dej los yog dej tsis muaj kev tiv thaiv ntxiv. Txhawm rau siv cov cuab yeej nyob rau sab nraum zoov lossis qhov chaw ntub dej, nws yuav tsum tau muab tso rau hauv ib qho chaw tsim nyog uas muab kev tiv thaiv tsim nyog tiv thaiv dej, plua plav, thiab lwm yam ib puag ncig.

Ua raws li IEC / EN 62423 thiab IEC / EN 61008-1 Cov Qauv

JCRB2-100 Hom B RCDs yog tsim thiab tsim raws li ob qho tseem ceeb thoob ntiaj teb cov qauv: IEC / EN 62423 thiab IEC / EN 61008-1. Cov qauv no txhais cov cai thiab cov qauv ntsuas rau Cov Khoom Siv Hluav Taws Xob Hluav Taws Xob (RCDs) siv hauv cov khoom siv hluav taws xob tsawg. Kev ua raws li cov qauv no ua kom ntseeg tau tias JCRB2-100 ua tau raws li kev nyab xeeb nruj, kev ua tau zoo, thiab cov lus qhia zoo, lav qhov kev tiv thaiv ib puag ncig thiab kev ntseeg siab. Los ntawm kev ua raws li cov qauv kev lees paub dav dav, cov neeg siv tuaj yeem muaj kev ntseeg siab ntawm cov cuab yeej muaj peev xwm ua haujlwm raws li tau npaj tseg thiab muab cov kev tiv thaiv tsim nyog tiv thaiv hluav taws xob ua txhaum cai thiab kev phom sij.

Xaus

CovJCRB2-100 Hom B RCDsyog cov cuab yeej kev nyab xeeb siab heev tsim los muab kev tiv thaiv zoo hauv cov tshuab hluav taws xob niaj hnub no. Nrog cov yam ntxwv zoo li 30mA tripping qhov pib, tsim nyog rau cov ntawv thov ib-theem, qhov ntsuas 63A tam sim no, thiab 230V AC voltage ntsuas, lawv muaj kev ruaj ntseg tiv thaiv hluav taws xob tsis zoo. Tsis tas li ntawd, lawv cov 10kA luv-circuit tam sim no muaj peev xwm, IP20 tiv thaiv ntsuas (yuav tsum muaj ib qho chaw tsim nyog rau kev siv sab nraum zoov), thiab ua raws li IEC / EN cov qauv ua kom muaj kev ua tau zoo thiab ua raws li kev lag luam kev cai. Zuag qhia tag nrho, JCRB2-100 Hom B RCDs muab kev nyab xeeb thiab kev ntseeg tau zoo dua qub, ua rau lawv yog ib qho tseem ceeb hauv thaj chaw, kev lag luam, thiab kev lag luam hluav taws xob.

FAQ

1.Hom B RCD yog dab tsi?

Hom B RCDs yuav tsum tsis txhob totaub nrog Hom B MCBs lossis RCBOs uas tshwm sim hauv ntau lub vev xaib tshawb nrhiav.

Hom B RCDs sib txawv kiag li, txawm li cas los xij, hmoov tsis zoo tib daim ntawv tau siv uas tuaj yeem ua rau tsis meej pem. Muaj Hom B uas yog tus yam ntxwv thermal hauv MCB / RCBO thiab Hom B txhais cov yam ntxwv sib nqus hauv RCCB / RCD. Qhov no txhais tau tias yog li koj yuav pom cov khoom xws li RCBOs nrog ob tus yam ntxwv, uas yog cov khoom sib nqus ntawm RCBO thiab cov khoom siv thermal (qhov no yuav yog Hom AC lossis A sib nqus thiab hom B lossis C thermal RCBO).

2.Hom B RCDs ua haujlwm li cas?

Hom B RCDs feem ntau yog tsim los nrog ob lub tshuab tshawb pom tam sim no. Thawj zaug siv 'fluxgate' thev naus laus zis los pab RCD kom pom cov DC tam sim no. Qhov thib ob siv cov thev naus laus zis zoo ib yam li Hom AC thiab Hom A RCDs, uas yog voltage ywj siab.