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.
Kev siv cov molded case circuit breakers (MCCBs) hauv ntau yam lag luam tau hloov pauv txoj kev ua haujlwm ntawm cov tshuab hluav taws xob. MCCB yog ib qho tseem ceeb los xyuas kom meej tias lub voj voog ua haujlwm tau zoo thiab muaj kev nyab xeeb. Lawv muab kev tiv thaiv tiv thaiv kev thauj khoom ntau dhau, luv luv circuits, thiab lwm yam kev ua txhaum hluav taws xob, uas yog qhov tseem ceeb hauv kev tiv thaiv kev raug mob hluav taws xob thiab kev phom sij hluav taws.
Ib qho ntawm cov txiaj ntsig tseem ceeb ntawm MCCBs yog lawv lub peev xwm los tswj cov hluav taws xob siab. Lawv tau tsim tshwj xeeb los tiv thaiv thiab tswj cov circuits uas muaj kev xav tau hluav taws xob siab. Cov lag luam xws li kev tsim khoom, kev khawb av, roj thiab roj av, thiab kev thauj mus los vam khom MCCBs los tiv thaiv lawv cov khoom siv hluav taws xob tseem ceeb thiab cov khoom siv hauv paus. Lub peev xwm ntawm MCCBs los tswj cov hluav taws xob siab thiab txiav tawm lub zog thaum muaj kev thauj khoom ntau dhau lossis ua tsis tiav ua rau MCCBs tseem ceeb hauv cov lag luam no.
Lwm qhov zoo ntawm MCCB yog nws yooj yim rau kev teeb tsa thiab siv. Lawv me me thiab tuaj yeem yooj yim koom ua ke rau hauv cov switchboards thiab switchboards. Lawv cov qauv tsim modular tso cai rau kev teeb tsa yooj yim, ua rau lawv hloov kho tau raws li qhov xav tau sib txawv. Tsis tas li ntawd, MCCBs muaj nyob rau hauv ntau yam ntawm cov hluav taws xob ntsuas, ua kom muaj kev sib raug zoo nrog ntau yam khoom siv hluav taws xob. Yooj yim rau kev teeb tsa thiab siv ua rau MCCBs yog qhov kev xaiv nrov rau kev teeb tsa tshiab thiab kev kho dua tshiab rau cov kab ke hluav taws xob uas twb muaj lawm.
Qhov tseeb thiab kev ntseeg tau ntawm MCCBs ua lub luag haujlwm tseem ceeb hauv kev ua kom cov txheej txheem hluav taws xob ua haujlwm tsis tu ncua. MCCBs muaj cov txheej txheem mus ncig ua si uas ntes tau thiab teb rau qhov tsis ua haujlwm hluav taws xob. Lawv tau nruab nrog ntau hom sensors thiab sensors xws li thermal, magnetic, electronic, thiab lwm yam, uas tuaj yeem hnov cov xwm txheej hluav taws xob tsis zoo. Thaum pom qhov tsis ua haujlwm, MCCB mus ncig thiab txiav tawm tam sim ntawd, tiv thaiv kev puas tsuaj ntxiv.
MCCBs kuj pab txhim kho kev siv hluav taws xob tag nrho. Los ntawm kev tiv thaiv zoo tiv thaiv kev puas tsuaj hluav taws xob thiab kev thauj khoom ntau dhau, lawv tiv thaiv kev tsim cua sov ntau dhau thiab kev pov tseg hluav taws xob tsis tsim nyog. Qhov no tsis yog tsuas yog txo qhov kev pheej hmoo ntawm kev puas tsuaj rau cov khoom siv, tab sis kuj ua kom zoo dua kev siv hluav taws xob. Nrog rau kev tsom mus rau kev txuag hluav taws xob thiab kev txhim kho kom ruaj khov, kev siv cov molded case circuit breakers yog qhov tseem ceeb kom ntseeg tau tias kev ua haujlwm zoo thiab zoo rau ib puag ncig hauv ntau yam lag luam.
Hauv ntej, kev siv dav dav ntawm cov molded case circuit breakers tau txhim kho kev nyab xeeb, kev ntseeg siab thiab kev ua haujlwm zoo ntawm cov tshuab hluav taws xob hauv ntau yam lag luam. Lawv lub peev xwm los tswj cov hluav taws xob siab, yooj yim rau kev teeb tsa, kev kuaj pom qhov txhaum, thiab kev pab txhawb rau kev siv hluav taws xob ua rau lawv yog cov khoom tseem ceeb hauv kev tiv thaiv thiab tswj hluav taws xob. Raws li thev naus laus zis nce qib, cov molded case circuit breakers txuas ntxiv hloov pauv kom tau raws li qhov xav tau ntawm cov tshuab hluav taws xob niaj hnub no. Raws li kev lag luam txuas ntxiv vam khom kev siv hluav taws xob los ua haujlwm, MCCB lub luag haujlwm hauv kev ua kom muaj kev nyab xeeb thiab ua haujlwm zoo ntawm cov circuits yuav tsuas yog qhov tseem ceeb dua.