CJ: Tus lej lag luam
M: Lub tshuab hluav taws xob uas muaj pwm
1: Tsim Tsis Muaj
□: Tam sim no ntsuas ntawm tus ncej
□: Tus lej cim qhia txog lub peev xwm tawg / S qhia txog hom txheem (S tuaj yeem tsis suav nrog) H qhia txog hom siab dua
Lus Cim: Muaj plaub hom ncej nruab nrab (N ncej) rau plaub theem khoom. Lub ncej nruab nrab ntawm hom A tsis muaj qhov over-current tripping element, nws ib txwm qhib, thiab nws tsis qhib lossis kaw ua ke nrog lwm peb ncej.
Tus ncej nruab nrab ntawm hom B tsis muaj qhov khoom siv hluav taws xob ntau dhau, thiab nws tau qhib lossis kaw ua ke nrog peb lwm tus ncej (tus ncej nruab nrab tau qhib ua ntej raug kaw) Tus ncej nruab nrab ntawm hom C muaj qhov khoom siv hluav taws xob ntau dhau, thiab nws tau qhib lossis kaw ua ke nrog peb lwm tus ncej (tus ncej nruab nrab tau qhib ua ntej raug kaw) Tus ncej nruab nrab ntawm hom D muaj qhov khoom siv hluav taws xob ntau dhau, nws ib txwm qhib thiab tsis tau qhib lossis kaw ua ke nrog peb lwm tus ncej.
| Lub npe ntawm cov khoom siv | Kev tso tawm hauv hluav taws xob | Kev tso tawm sib xyaw | ||||||
| Kev sib cuag pabcuam, tso tawm hluav taws xob hauv qab, ceeb toom tiv tauj | 287 | 378 | ||||||
| Ob lub chaw sib txuas lus pabcuam, kev sib txuas lus ceeb toom | 268 | 368 | ||||||
| Kev tso tawm Shunt, kev sib cuag ceeb toom, kev sib cuag pabcuam | 238 | 348 | ||||||
| Nyob rau hauv voltage tso tawm, lub tswb hu | 248 | 338 | ||||||
| Kev sib txuas lus ceeb toom pabcuam | 228 | 328 | ||||||
| Kev sib cuag ntawm lub tswb ceeb toom tso tawm Shunt | 218 | 318 | ||||||
| Kev sib txuas lus pabcuam tsis muaj zog tso tawm | 270 | 370 | ||||||
| Ob lub chaw pabcuam sib txuas lus | 260 | 360 | ||||||
| Kev tso tawm Shunt hauv qab-voltage tso tawm | 250 | 350 | ||||||
| Kev sib txuas lus pabcuam Shunt tso tawm | 240 | 340 | ||||||
| Kev tso tawm qis zog | 230 | 330 | ||||||
| Kev sib cuag pab | 220 | 320 | ||||||
| Kev tso tawm Shunt | 210 | 310 | ||||||
| Kev sib cuag ceeb toom | 208 | 308 | ||||||
| Tsis muaj khoom siv ntxiv | 200 | 300 | ||||||
| 1 Tus nqi ntsuas ntawm cov khoom siv hluav taws xob | ||||||||
| Qauv | Imax (A) | Cov Lus Qhia Tshwj Xeeb (A) | Rated Operation Voltage (V) | Rated Insulation Voltage (V) | Icu (kA) | Ics (kA) | Tus naj npawb ntawm cov ncej (P) | Arcing Nrug (hli) |
| CJMM1-63S | 63 | 6,10,16,20 25, 32, 40, 50,63 | 400 | 500 | 10* | 5* | 3 | ≤50 |
| CJMM1-63H | 63 | 400 | 500 | 15* | 10* | 3,4 | ||
| CJMM1-100S | 100 | 16, 20, 25, 32 40, 50, 63, 80,100 | 690 | 800 | 35/10 | 22/5 | 3 | ≤50 |
| CJMM1-100H | 100 | 400 | 800 | 50 | 35 | 2,3,4 | ||
| CJMM1-225S | 225 | 100,125, 160,180, 200,225 | 690 | 800 | 35/10 | 25/5 | 3 | ≤50 |
| CJMM1-225H | 225 | 400 | 800 | 50 | 35 | 2,3,4 | ||
| CJMM1-400S | 400 | 225,250, 315,350, 400 | 690 | 800 | 50/15 | 35/8 | 3,4 | ≤100 |
| CJMM1-400H | 400 | 400 | 800 | 65 | 35 | 3 | ||
| CJMM1-630S | 630 | 400,500, 630 | 690 | 800 | 50/15 | 35/8 | 3,4 | ≤100 |
| CJMM1-630H | 630 | 400 | 800 | 65 | 45 | 3 | ||
| Lus Cim: Thaum cov kev ntsuas ntsuas rau 400V, 6A yam tsis muaj cua sov tso tawm | ||||||||
| 2 Lub sijhawm rov ua haujlwm tawg thaum txhua tus ncej ntawm kev tso tawm overcurrent rau kev faib hluav taws xob tau qhib rau tib lub sijhawm | ||||||||
| Yam khoom ntawm qhov kev sim Tam sim no (I/Hauv) | Thaj chaw sim sijhawm | Lub xeev pib | ||||||
| Tam sim no tsis yog tripping 1.05In | 2 teev (n> 63A), 1 teev (n < 63A) | Lub xeev txias | ||||||
| Tam sim no tripping 1.3In | 2 teev (n> 63A), 1 teev (n < 63A) | Ua mus tam sim ntawd tom qab qhov kev xeem No.1 | ||||||
| 3 Lub sijhawm rov ua haujlwm tawg thaum txhua tus ncej ntawm over- tam sim no tso tawm rau kev tiv thaiv lub cev muaj zog tau muab hluav taws xob rau tib lub sijhawm. | ||||||||
| Teem Tam Sim No Lub Sijhawm Ib Txwm Muaj Lub Xeev Pib | Lus Cim | |||||||
| 1.0 Hauv | >2 teev | Xeev Txias | ||||||
| 1.2 nti | ≤2h | Tau ua tiav tam sim ntawd tom qab qhov kev xeem No.1 | ||||||
| 1.5 nti | ≤4 feeb | Xeev Txias | 10≤Hauv≤225 | |||||
| ≤8 feeb | Xeev Txias | 225≤Hauv≤630 | ||||||
| 7.2 nti | 4s≤T≤10s | Xeev Txias | 10≤Hauv≤225 | |||||
| 6s≤T≤20s | Xeev Txias | 225≤Hauv≤630 | ||||||
| 4 Tus yam ntxwv ua haujlwm tam sim ntawd ntawm lub tshuab hluav taws xob rau kev faib hluav taws xob yuav tsum teeb tsa ua 10in + 20%, thiab ib qho ntawm lub tshuab hluav taws xob rau kev tiv thaiv lub cev muaj zog yuav tsum teeb tsa ua 12ln ± 20% |
CJMM1-63, 100, 225, Cov Qauv Qhia thiab Qhov Loj ntawm Kev Teeb tsa (Kev sib txuas ntawm lub rooj tsavxwm pem hauv ntej)
| Qhov Loj (hli) | Tus Qauv Code | |||||||
| CJMM1-63S | CJMM1-63H | CJMM1-63S | CJMM1-100S | CJMM1-100H | CJMM1-225S | CJMM1-225 | ||
| Qhov Loj ntawm Cov Qauv | C | 85.0 | 85.0 | 88.0 | 88.0 | 102.0 | 102.0 | |
| E | 50.0 | 50.0 | 51.0 | 51.0 | 60.0 | 52.0 | ||
| F | 23.0 | 23.0 | 23.0 | 22.5 | 25.0 | 23.5 | ||
| G | 14.0 | 14.0 | 17.5 | 17.5 | 17.0 | 17.0 | ||
| G1 | 6.5 | 6.5 | 6.5 | 6.5 | 11.5 | 11.5 | ||
| H | 73.0 | 81.0 | 68.0 | 86.0 | 88.0 | 103.0 | ||
| H1 | 90.0 | 98.5 | 86.0 | 104.0 | 110.0 | 127.0 | ||
| H2 | 18.5 | 27.0 | 24.0 | 24.0 | 24.0 | 24.0 | ||
| H3 | 4.0 | 4.5 | 4.0 | 4.0 | 4.0 | 4.0 | ||
| H4 | 7.0 | 7.0 | 7.0 | 7.0 | 5.0 | 5.0 | ||
| L | 135.0 | 135.0 | 150.0 | 150.0 | 165.0 | 165.0 | ||
| L1 | 170.0 | 173.0 | 225.0 | 225.0 | 360.0 | 360.0 | ||
| L2 | 117.0 | 117.0 | 136.0 | 136.0 | 144.0 | 144.0 | ||
| W | 78.0 | 78.0 | 91.0 | 91.0 | 106.0 | 106.0 | ||
| W1 | 25.0 | 25.0 | 30.0 | 30.0 | 35.0 | 35.0 | ||
| W2 | - | 100.0 | - | 120.0 | - | 142.0 | ||
| W3 | - | - | 65.0 | 65.0 | 75.0 | 75.0 | ||
| Qhov Loj ntawm Kev Teeb tsa | A | 25.0 | 25.0 | 30.0 | 30.0 | 35.0 | 35.0 | |
| B | 117.0 | 117.0 | 128.0 | 128.0 | 125.0 | 125.0 | ||
| od | 3.5 | 3.5 | 4.5 | 4.5 | 5.5 | 5.5 | ||
CJMM1-400,630,800, Qhov Loj ntawm Cov Qauv thiab Kev Teeb tsa (Kev sib txuas ntawm lub rooj tsavxwm pem hauv ntej)
| Qhov Loj (hli) | Tus Qauv Code | |||||||
| CJMM1-400S | CJMM1-630S | |||||||
| Qhov Loj ntawm Cov Qauv | C | 127 | 134 | |||||
| C1 | 173 | 184 | ||||||
| E | 89 | 89 | ||||||
| F | 65 | 65 | ||||||
| G | 26 | 29 | ||||||
| G1 | 13.5 | 14 | ||||||
| H | 107 | 111 | ||||||
| H1 | 150 | 162 | ||||||
| H2 | 39 | 44 | ||||||
| H3 | 6 | 6.5 | ||||||
| H4 | 5 | 7.5 | ||||||
| H5 | 4.5 | 4.5 | ||||||
| L | 257 | 271 | ||||||
| L1 | 465 | 475 | ||||||
| L2 | 225 | 234 | ||||||
| W | 150 | 183 | ||||||
| W1 | 48 | 58 | ||||||
| W2 | 198 | 240 | ||||||
| A | 44 | 58 | ||||||
| Qhov Loj ntawm Kev Teeb tsa | A1 | 48 | 58 | |||||
| B | 194 | 200 | ||||||
| Od | 8 | 7 | ||||||
Daim Duab Qhia Txog Kev Txuas Ntawm Rooj Tsav Tsheb Tom Qab
| Qhov Loj (hli) | Tus Qauv Code | ||||||
| CJMM1-63S CJMM1-63H | CJMM1-100S CJMM1-100H | CJMM1-225S CJMM1-225H | CJMM1-400S | CJMM1-400H | CJMM1-630S CJMM1-630H | ||
| Qhov Loj Ntawm Cov Rooj Tsav Tsheb Tom Qab Txuas Hom Plug-in | A | 25 | 30 | 35 | 44 | 44 | 58 |
| od | 3.5 | 4.5 * 6 qhov tob | 3.3 | 7 | 7 | 7 | |
| od1 | - | - | - | 12.5 | 12.5 | 16.5 | |
| od2 | 6 | 8 | 8 | 8.5 | 9 | 8.5 | |
| oD | 8 | 24 | 26 | 31 | 33 | 37 | |
| oD1 | 8 | 16 | 20 | 33 | 37 | 37 | |
| H6 | 44 | 68 | 66 | 60 | 65 | 65 | |
| H7 | 66 | 108 | 110 | 120 | 120 | 125 | |
| H8 | 28 | 51 | 51 | 61 | 60 | 60 | |
| H9 | 38 | 65.5 | 72 | - | 83.5 | 93 | |
| H10 | 44 | 78 | 91 | 99 | 106.5 | 112 | |
| H11 | 8.5 | 17.5 | 17.5 | 22 | 21 | 21 | |
| L2 | 117 | 136 | 144 | 225 | 225 | 234 | |
| L3 | 117 | 108 | 124 | 194 | 194 | 200 | |
| L4 | 97 | 95 | 9 | 165 | 163 | 165 | |
| L5 | 138 | 180 | 190 | 285 | 285 | 302 | |
| L6 | 80 | 95 | 110 | 145 | 155 | 185 | |
| M | M6 | M8 | M10 | - | - | - | |
| K | 50.2 | 60 | 70 | 60 | 60 | 100 | |
| J | 60.7 | 62 | 54 | 129 | 129 | 123 | |
| M1 | M5 | M8 | M8 | M10 | M10 | M12 | |
| W1 | 25 | 35 | 35 | 44 | 44 | 58 | |
Cov khoom siv hluav taws xob uas muaj pwm (molded case circuit breakers) yog cov khoom siv tiv thaiv hluav taws xob uas tsim los tiv thaiv lub voj voog hluav taws xob ntawm cov hluav taws xob ntau dhau. Cov hluav taws xob ntau dhau no tuaj yeem tshwm sim vim muaj kev thauj khoom ntau dhau lossis luv luv. Cov khoom siv hluav taws xob uas muaj pwm no tuaj yeem siv tau rau ntau yam voltages thiab frequencies nrog rau qhov txwv qis thiab siab dua ntawm kev hloov kho qhov chaw. Ntxiv nrog rau cov txheej txheem tripping, MCCBs kuj tseem siv tau ua cov keyboards txiav tes thaum muaj xwm txheej ceev lossis kev ua haujlwm txij nkawm. MCCBs tau raug qauv thiab kuaj rau overcurrent, voltage surge, thiab kev tiv thaiv qhov txhaum kom ntseeg tau tias muaj kev nyab xeeb hauv txhua qhov chaw thiab kev siv. Lawv ua haujlwm zoo li lub khawm pib dua rau lub voj voog hluav taws xob kom txiav hluav taws xob thiab txo qhov kev puas tsuaj los ntawm kev thauj khoom ntau dhau, av txhaum, luv luv, lossis thaum tam sim no tshaj qhov txwv tam sim no.
Daim ntawv thov ntawm MCCB tau hloov pauv tag nrho txoj kev tiv thaiv hluav taws xob. MCCB yog hais txog lub thawv yas Circuit Breaker, uas yog siv dav hauv ntau yam lag luam rau nws qhov kev ua tau zoo thiab kev ntseeg tau zoo. Tsab xov xwm no yuav tshawb nrhiav ntau yam kev siv ntawm MCCBs thiab lawv tuaj yeem muaj feem cuam tshuam loj rau kev nyab xeeb hluav taws xob li cas.
MCCBs siv dav hauv cov chaw ua haujlwm uas kev tiv thaiv hluav taws xob tseem ceeb heev. Cov circuit breakers no yog tsim los tswj cov dej ntws siab thiab muab kev tiv thaiv txhim khu kev qha tiv thaiv kev thauj khoom ntau dhau, luv luv circuits, thiab lwm yam teeb meem hluav taws xob. Ib qho ntawm cov txiaj ntsig tseem ceeb ntawm MCCBs yog lawv lub peev xwm los cuam tshuam kev ntws ntawm hluav taws xob yog tias muaj teeb meem, yog li tiv thaiv txhua yam kev phom sij xws li hluav taws lossis kev puas tsuaj rau cov khoom siv kim.
Hauv cov tsev lag luam, MCCBs yog siv los tiv thaiv cov circuits uas siv hluav taws xob rau cov teeb pom kev zoo, HVAC systems, thiab lwm yam khoom siv tseem ceeb. Cov circuit breakers no ua kom ntseeg tau tias thaum muaj qhov txhaum, qhov cuam tshuam ntawm lub circuit raug txiav tawm yam tsis cuam tshuam lub zog rau lwm qhov ntawm lub tsev. Lub peev xwm no los xaiv cov circuits uas muaj teeb meem txuag lub sijhawm thiab tiv thaiv lub sijhawm tsis tsim nyog thoob plaws hauv qhov chaw.
Lwm qhov tseem ceeb ntawm kev siv MCCB yog nyob rau hauv thaj chaw ntawm lub zog rov ua dua tshiab. Raws li qhov kev thov rau lub zog ntsuab txuas ntxiv mus ntxiv, cov khoom siv hluav taws xob molded case ua lub luag haujlwm tseem ceeb hauv kev tiv thaiv cov kab ke hluav taws xob ntawm cov chaw tsim hluav taws xob hnub ci thiab cov cua turbines. Cov khoom siv hluav taws xob no ua kom ntseeg tau tias cov hluav taws xob tsim tawm tau xa mus rau lub grid kom muaj kev nyab xeeb yam tsis ua rau cov khoom siv lossis cov neeg ua haujlwm puas tsuaj.
Vim lawv txoj kev tsim kho ruaj khov thiab kev ua haujlwm zoo, cov khoom siv hluav taws xob molded case kuj tseem siv dav hauv kev lag luam roj thiab roj av. MCCB yog lub luag haujlwm rau kev tiv thaiv hluav taws xob hauv ntau yam kev siv suav nrog cov platforms offshore, cov chaw ua roj thiab cov kav dej. Cov khoom siv hluav taws xob no tau tsim los tiv taus cov xwm txheej ib puag ncig hnyav, ua kom ntseeg tau tias kev ua haujlwm zoo ntawm cov kab ke hluav taws xob tseem ceeb.
MCCB kuj tau nkag mus rau hauv thaj chaw nyob los muab cov kev daws teeb meem zoo thiab txhim khu kev qha rau kev tiv thaiv hluav taws xob hauv tsev. Thaum tus naj npawb ntawm cov khoom siv thiab cov txheej txheem hauv tsev nce ntxiv, qhov kev pheej hmoo ntawm kev ua tsis tiav hluav taws xob kuj nce ntxiv. MCCB tiv thaiv cov hluav taws xob hauv tsev los ntawm kev thauj khoom ntau dhau thiab luv luv, ua rau cov tswv tsev muaj kev thaj yeeb nyab xeeb thiab ua kom muaj kev nyab xeeb hluav taws xob ntau ntxiv.
Tsis tas li ntawd xwb, MCCBs siv dav hauv cov chaw khaws ntaub ntawv los tiv thaiv cov khoom siv tseem ceeb thiab cov txheej txheem uas txhawb nqa cov cuab yeej siv thev naus laus zis. Cov circuit breakers no yog qhov tseem ceeb rau kev tiv thaiv cov ntaub ntawv poob vim muaj teeb meem hluav taws xob, ua kom muaj kev ua haujlwm tsis tu ncua, thiab tiv thaiv cov ntaub ntawv muaj nqis khaws cia rau hauv cov servers thiab lwm yam khoom siv network.
Hauv kev xaus lus, cov khoom siv hluav taws xob molded case circuit breakers siv rau hauv ntau yam lag luam thiab cov sectors, ua rau lawv yog ib feem tseem ceeb ntawm kev tiv thaiv circuit. Lawv lub peev xwm los tswj cov dej ntws siab, cuam tshuam cov dej ntws thaum muaj teeb meem, thiab kev tsim kho ruaj khov ua rau lawv yog qhov kev xaiv nrov rau kev ua kom muaj kev nyab xeeb hluav taws xob. Txawm hais tias nyob rau hauv cov chaw lag luam, cov tsev lag luam, kev teeb tsa hluav taws xob rov ua dua tshiab, cov chaw roj thiab roj av, cov tsev nyob lossis cov chaw khaws ntaub ntawv, MCCB tau ua pov thawj tias yog ib qho kev daws teeb meem txhim khu kev qha thiab ua haujlwm tau zoo. Raws li thev naus laus zis txuas ntxiv mus, kev siv thiab qhov tseem ceeb ntawm cov khoom siv hluav taws xob molded case yuav tsuas yog loj hlob, ntxiv txhim kho kev tiv thaiv hluav taws xob thiab kev nyab xeeb hauv ntau qhov chaw.