Yuav ua li cas xaiv lub Circuit Breaker zoo rau EV Chargers?
Ua ib tus kws tshwj xeeb hauv kev them nqi EV, CHINAEVSE zoo siab los coj koj mus rau hauv cov txheej txheem ntawm kev xaiv thiab teeb tsa lub tshuab hluav taws xob rau kev teeb tsa Khoom Siv Hluav Taws Xob Tsheb (EVSE).
Kev teeb tsa lub tshuab hluav taws xob kom raug yog ib qho ntawm cov kauj ruam tseem ceeb tshaj plaws hauv kev teeb tsa chaw them hluav taws xob EV. Vim tias kev them hluav taws xob EV yog suav tias yog ib qhothauj khoom tas mus li(kos cov hluav taws xob siab rau ntau teev ib zaug), cov cai hluav taws xob hauv tsev lossis lag luam yuav tsum tau siv nruj me ntsis kom tiv thaiv kev kub dhau, kev cuam tshuam kev cuam tshuam, lossis kev phom sij hluav taws.
Nov yog phau ntawv qhia txog kev txiav txim siab txog kev siv tshuab, cov qauv kev nyab xeeb, thiab cov kev coj ua zoo tshaj plaws rau kev teeb tsa EVSE circuit breaker.
1. Txoj Cai 125% (Kev Xam Txog Kev Thauj Khoom Txuas Ntxiv Mus)
Tsis zoo li cov khoom siv hauv tsev uas khiav tsis tu ncua (xws li lub tshuab ua kom sov microwave lossis lub tshuab ci mov), ib qhoEV chargerua haujlwm ntawm qhov muaj peev xwm siab tshaj plaws rau lub sijhawm ntev.
- Txoj Cai:Raws li National Electrical Code (NEC) thiab IEC sib npaug, koj yuav tsum ntsuas qhov loj ntawm lub circuit breaker thiab cov conductors ntawm125% ntawm lub EV charger qhov tso zis siab tshaj plaws tas mus li.
- Kev suav lej:Yog tias koj lub thawv EV phab ntsa tso tawm32A, qhov kev xam qhov loj ntawm lub breaker yog:
Yog li ntawd, koj yuav tsum tau nruab ib lub40A lub tshuab hluav taws xob.
Cov Lus Qhia Txog Qhov Loj ntawm Lub Breaker
| EVSE Max Output Current | Qhov Loj ntawm Circuit Breaker Yuav Tsum Tau |
| 16A | 20A Breaker |
| 32A | 40A Breaker |
| 40A | 50A Breaker |
| 48A | 60A Breaker |
2. Xaiv Hom Breaker Zoo
Nyob ntawm koj cov qauv hauv cheeb tsam (North American NEC vs. International/European IEC), cov kev cai rau cov hom kev tiv thaiv yuav txawv.
A. Kev Tiv Thaiv Tam Sim No thiab Kev Tiv Thaiv Qhov Teeb Meem Hauv Av (RCD / GFCI)
Kev them EV muaj kev pheej hmoo tshwj xeeb txog kev xau hluav taws xob DC, uas tuaj yeem "dig muag" cov khoom siv hluav taws xob seem Hom A.
- IEC Markets (Tebchaws Europe/Australia/Asia):Yog tias EVSE tsis muaj qhov ntsuas hluav taws xob 6mA DC uas ua rau muaj kev xau, kojyuav tsumsiv ib qhoHom B RCDlos yog RCBO (Residual Current Breaker nrog Overcurrent protection) uas ntes tau ob qho tib si AC thiab DC faults. Yog tias EVSEuamuaj kev sib xyaw ua ke 6mA DC kev kuaj pom, tus qauvHom A RCDfeem ntau txaus.
- NEC Markets (North America):Feem ntau cov tsheb EVSE theem 2 niaj hnub no muaj CCID50 (Kev Tiv Thaiv Neeg Ua Haujlwm) kev tiv thaiv av. Txawm li cas los xij, yog tias koj tab tom txhim khoplug-inEVSE (piv txwv li, NEMA 14-50 lossis 6-50 qhov hluav taws xob), NEC 2020/2023 yuav tsum muajGFCI breakernyob rau hauv lub vaj huam sib luag rau lub qhov hluav taws xob ntawd, txawm tias lub charger muaj nws tus kheej kev tiv thaiv sab hauv.
B. Cov Kab Ntsig Mus Los Ntawm Circuit Breaker (IEC)
Yog tias koj ua haujlwm raws li cov qauv IEC, kev xaiv qhov nkhaus kom raug yuav tiv thaiv kev cuam tshuam los ntawm qhov tam sim no thaum lub EV pib them:
- Hom C Nkhaus:Pom zoo heev rau kev teeb tsa EVSE. Nws tswj cov inductive inrush currents nruab nrab yam tsis muaj tripping ua ntej lub sijhawm.
- Tsis txhob siv cov kab nkhaus hom B tshwj tsis yog tias cov cai hauv zos tau teev tseg, vim tias lawv yuav yooj yim dhau los ntawm kev thauj khoom siab tas mus li.
3. Cov Kev Xav Txog Kev Teeb Tsa Tseem Ceeb
Kev Ntsuas Qhov Loj ntawm Cov Hlau thiab Kev Ntsuas Kub
Lub breaker tsuas yog zoo li cov xov hlau txuas rau nws. Vim yog qhov thauj khoom tas mus li, xyuas kom meej tias lub ntsuas xov hlau (AWG lossis mm2) phim qhov loj ntawm lub breaker.tom qabsuav nrog kev txo qis thermal yog tias cov xov hlau hla dhau qhov chaw kub (xws li lub ru tsev) lossis sib koom cov kav dej.
- Piv txwv li:Rau lub tshuab hluav taws xob 50A,6 AWG tooj liab hlauyog tus qauv. Tsis txhob ua kom lub tshuab hluav taws xob muaj zog siab uas muaj cov xov hlau me me ua rau muaj teeb meem.
Cov Lus Qhia Txog Lub Torque
Cov kev sib txuas xoob yog qhov ua rau muaj hluav taws xob kub hnyiab hauv kev teeb tsa EV. Thaum lub sijhawm thauj khoom tas mus li, cov terminals xoob tsim kev tiv thaiv siab, ua rau muaj cua sov heev uas tuaj yeem yaj lub breaker thiab lub vaj huam sib luag busbar.
- Ib txwm siv lub tshuab ntswj ntsia hlau/wrench uas tau calibrated torquekom nruj cov breaker lugs raws li qhov chaw tsim khoom qhia meej (feem ntau luam tawm rau sab ntawm lub breaker).
Peev Xwm Vaj Huam Sib Luag & Kub Ambient
- Kev Xam Khoom Thauj Khoom:Ua ntej ntxiv lub tshuab hluav taws xob 40A lossis 60A, ua qhov kev xam qhov hnyav ntawm lub vaj huam sib luag / khoom uas twb muaj lawm kom ntseeg tau tias qhov kev pabcuam tseem ceeb tuaj yeem tswj hwm qhov hnyav ntxiv tas mus li.
- Kev Tshem Tawm Kub:Yog tias koj teeb tsa ntau lub EV breakers ua ke hauv lub rooj tsavxwm faib khoom lag luam, xav txog kev tso ib qho chaw seem ntawm lawv kom cua thiab cua sov tawm tau zoo dua.
4. Daim Ntawv Teev Npe Rau Kev Txhim Kho Kev Tshaj Lij
- Cov Ntawv Tso Cai & Cov Cai:Ib txwm xyuas seb puas ua raws li txoj cai hauv zos (piv txwv li, NEC Tshooj 625, IEC 60364-7-722) thiab rub cov ntawv tso cai hluav taws xob tsim nyog.
- Hardwired piv rau Plug-in:Cov kev teeb tsa hardwired yog qhov nyiam heev rau kev ntseeg siab tshaj plaws thiab tshem tawm qhov xav tau rau lub tshuab hluav taws xob GFCI sab nraud kim heev hauv ntau thaj chaw.
- Kev Sau Npe:Sau kom meej meej rau lub breaker hauv lub vaj huam sib luag tseem ceeb tias yog "EV CHARGER" kom paub tseeb tias pom tau sai thaum lub sijhawm kho.
- Kev Ntsuas Tom Qab Kev Txhim Kho:Siv ib qhoEVSEkuaj lub adapter los ua qauv kev sib txuas ntawm lub tsheb thiab sim RCD/GFCI ua haujlwm ua ntej muab rau tus neeg siv kawg.
| Chaw Nres Tsheb EV | Tus lej khoom | HWJ CHIM (KW) | Cov Tswv Yim (V) | Tam sim no ntawm cov tswv yim siab tshaj plaws A) | Lub tshuab hluav taws xob pom zoo | Tshooj Cable |
| AC | CHINAEVSE-3.5K(A)1-230S | 1 × 3.5 | 220 | 16 | 20A/2P | 3x4mm2 |
| CHINAEVSE-10K(A)1-240S | 1 × 9.6 | 240 | 40 | 50A/2P | 3x10mm2 | |
| CHINAEVSE-7K(A)1-230S | 1 × 7 | 220 | 32 | 40A/2P | 3x6mm2 | |
| CHINAEVSE-14K(A)2-230S | 2 × 7 | 220 | 64 | 63A/2P | 3x16mm2 | |
| CHINAEVSE-11K(A)1-400S | 1 × 11 | 380 | 16 | 20A/4P | 5x4mm2 | |
| CHINAEVSE-22K(A)1-400S | 1 × 22 | 380 | 32 | 40A/4P | 5x6mm2 | |
| CHINAEVSE-29K(A)2-400S | 22 + 7 | 380 | 64 | 63A/4P | 5x16mm2 | |
| CHINAEVSE-44K(A)2-400S | 2 × 22 | 380 | 64 | 80A/4P | 5x16mm2 | |
| CHINAEVSE-44K(A)2-400S | 2 × 22 (43 ib leeg) | 380 | 64 | 80A/4P | 5x16mm2 | |
| CHINAEVSE-44K(A)1-400S | 1 × 43 | 380 | 64 | 80A/4P | 5x16mm2 | |
| CHINAEVSE-44K(A)2-400S | 2 × 43 | 380 | 126 | 140A/4P | 3x35mm2 + 2x16mm2 | |
| DC | CHINAEVSE-30K(D)1(CCS2)1000S | 30 DC | 380 | 50 | 65A/4P | 5x16mm2 |
| CHINAEVSE-40K(D)1(CCS2)1000S | 40 DC | 380 | 65 | 80A/4P | 5x16mm2 | |
| CHINAEVSE-60K(D)1(CCS2)1000S | 60 DC | 380 | 100 | 125A/3P | 3x35mm2 + 2x16mm2 | |
| CHINAEVSE-60K(D)2(CCS2)1000S | 30 + 30DC | 380 | 100 | 125A/3P | 3x35mm2 + 2x16mm2 | |
| CHINAEVSE-82K(A/D)2(CCS2)400/1000S | 60DC+22AC | 380 | 132 | 160A/3P | 3x50mm2 + 2x25mm2 | |
| CHINAEVSE-103K(A/D)2(CCS2)400/1000S | 60DC+43AC | 380 | 163 | 200A/3P | 3x50mm2 + 2x25mm2 | |
| CHINAEVSE-82K(A/D)3(CCS2)400/1000S | 30 + 30DC + 22AC | 380 | 132 | 160A/3P | 3x50mm2 + 2x25mm2 | |
| CHINAEVSE-120K(D)2(CCS2)1000S | 60DC+60DC | 380 | 200 | 250A/3P | 3x95mm2 + 2x50mm2 | |
| CHINAEVSE-142K(A/D)3(CCS2)400/1000S | 60 + 60DC + 22AC | 380 | 232 | 400A/3P | 3x95mm2 + 2x50mm2 | |
| CHINAEVSE-163K(A/D)3(CCS2)400/1000S | 60 + 60DC + 43AC | 380 | 263 | 400A/3P | 3x120mm2 + 2x70mm2 | |
| CHINAEVSE-180K(D)3(CCS2)400/1000S | 60DC+60DC+60DC | 380 | 300 | 400A/3P | 3x120mm2 + 2x70mm2 | |
| CHINAEVSE-240K(D)2(CCS2)400/1000S | 120DC + 120DC | 380 | 400 | 630/3P | 3x185mm2 + 2x95mm2 |
Lub sijhawm tshaj tawm: Lub Rau Hli-08-2026