CJ: Kodi ya kampani
M: Chotsukira ma circuit cha bokosi lopangidwa
1: Nambala ya Kapangidwe
□:Mawonekedwe amakono a chimango
□:Kutha kusweka kwa mphamvu/khodi ya khalidwe/S imasonyeza mtundu wokhazikika (S ikhoza kuchotsedwa)H imasonyeza mtundu wapamwamba
Dziwani: Pali mitundu inayi ya pole yosagwirizana (pole ya N) ya zinthu zinayi. Pole yosagwirizana ya mtundu wa A ilibe chotchinga chamagetsi chopitirira muyeso, nthawi zonse imayatsidwa, ndipo simayatsidwa kapena kuzimitsidwa pamodzi ndi pole zina zitatu.
Mzati wa mtundu wa B wopanda mphamvu uli ndi chinthu chogwetsa mphamvu zambiri, ndipo umayatsidwa kapena kuzimitsidwa pamodzi ndi zipilala zina zitatu (mzati wa neutral umayatsidwa usanazimitsidwe) Mzati wa neutral wa mtundu wa C uli ndi chinthu chogwetsa mphamvu zambiri, ndipo umayatsidwa kapena kuzimitsidwa pamodzi ndi zipilala zina zitatu (mzati wa neutral umayatsidwa usanazimitsidwe) Mzati wa neutral wa mtundu wa D uli ndi chinthu chogwetsa mphamvu zambiri, nthawi zonse umayatsidwa ndipo suyatsidwa kapena kuzimitsidwa pamodzi ndi zipilala zina zitatu.
| Dzina la zowonjezera | Kutulutsa kwamagetsi | Kutulutsa kwapawiri | ||||||
| Kulumikizana kothandiza, kutulutsidwa kwa magetsi, kukhudzana ndi alamu | 287 | 378 | ||||||
| Ma seti awiri othandizira olumikizirana, kulumikizana ndi alamu | 268 | 368 | ||||||
| Kutulutsa kwa Shunt, kulumikizana ndi alamu, kulumikizana kothandizira | 238 | 348 | ||||||
| Kutulutsa kwamagetsi, kukhudzana ndi alamu | 248 | 338 | ||||||
| Alamu yothandizira yolumikizirana | 228 | 328 | ||||||
| Kulumikizana ndi alamu yotulutsa Shunt | 218 | 318 | ||||||
| Kutulutsa kwa under-voltage yothandizira | 270 | 370 | ||||||
| Ma seti awiri othandizira olumikizirana | 260 | 360 | ||||||
| Kutulutsa kwa Shunt pansi pa voltage | 250 | 350 | ||||||
| Kulumikizana kothandizira kwa Shunt kumasula | 240 | 340 | ||||||
| Kutulutsa kwapansi pa mphamvu | 230 | 330 | ||||||
| Kulumikizana kothandiza | 220 | 320 | ||||||
| Kutulutsidwa kwa Shunt | 210 | 310 | ||||||
| Kulumikizana ndi alamu | 208 | 308 | ||||||
| Palibe chowonjezera | 200 | 300 | ||||||
| 1 Mtengo wovomerezeka wa ma circuit breaker | ||||||||
| Chitsanzo | Imax (A) | Mafotokozedwe (A) | Voltage Yogwira Ntchito Yoyesedwa (V) | Voltage Yotetezedwa Yoteteza (V) | Icu (kA) | Ma Ics (kA) | Chiwerengero cha Ndodo (P) | Mtunda Wozungulira (mm) |
| 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 | ||
| Zindikirani: Pamene magawo oyesera a 400V atsegulidwa, 6A popanda kutulutsidwa kwa kutentha | ||||||||
| 2 Kusinthasintha kwa nthawi yogwirira ntchito pamene mtengo uliwonse wa kutulutsidwa kwa overcurrent kuti ugawidwe mphamvu umayatsidwa nthawi imodzi | ||||||||
| Chinthu choyesedwa Current (I/In) | Malo a nthawi yoyesera | Mkhalidwe woyambirira | ||||||
| Mphamvu yosagwedera ya 1.05In | 2h(n>63A),1h(n<63A) | Chikhalidwe chozizira | ||||||
| Mphamvu yotsika ya 1.3In | 2h(n>63A),1h(n<63A) | Pitirizani nthawi yomweyo pambuyo pa mayeso a Nambala 1 | ||||||
| 3 Kusinthasintha kwa nthawi yogwirira ntchito pamene mtengo uliwonse wa over- Kutulutsa kwamakono kwa chitetezo cha injini kumayatsidwa nthawi yomweyo. | ||||||||
| Kukhazikitsa Nthawi Yamakono Yoyambira | Zindikirani | |||||||
| 1.0In | >2 ola | Dziko Lozizira | ||||||
| 1.2In | ≤2 ola | Anapitiliza nthawi yomweyo mayeso a Nambala 1 atatha | ||||||
| 1.5In | ≤4mphindi | Dziko Lozizira | 10≤Mu≤225 | |||||
| ≤8mphindi | Dziko Lozizira | 225≤Mu≤630 | ||||||
| 7.2In | 4s≤T≤10s | Dziko Lozizira | 10≤Mu≤225 | |||||
| 6s≤T≤masekondi 20 | Dziko Lozizira | 225≤Mu≤630 | ||||||
| 4. Chikhalidwe cha ntchito ya circuit breaker yogawa mphamvu chiyenera kukhazikitsidwa pa 10in + 20%, ndipo cha circuit breaker yoteteza injini chiyenera kukhazikitsidwa pa 12ln ± 20% |
CJMM1-63, 100, 225, Kukula kwa Chidule ndi Kukhazikitsa (Kulumikizana kwa bolodi lakutsogolo)
| Miyeso (mm) | Khodi ya Chitsanzo | |||||||
| CJMM1-63S | CJMM1-63H | CJMM1-63S | CJMM1-100S | CJMM1-100H | CJMM1-225S | CJMM1-225 | ||
| Kukula kwa Ndondomeko | 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 | ||
| Kuyika Kukula | 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, Kukula kwa Chidule ndi Kukhazikitsa (Kulumikizana kwa bolodi lakutsogolo)
| Miyeso (mm) | Khodi ya Chitsanzo | |||||||
| CJMM1-400S | CJMM1-630S | |||||||
| Kukula kwa Ndondomeko | 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 | ||||||
| Kuyika Kukula | A1 | 48 | 58 | |||||
| B | 194 | 200 | ||||||
| Od | 8 | 7 | ||||||
Chithunzi Chodulira Cholumikizira Bwalo Lakumbuyo
| Miyeso (mm) | Khodi ya Chitsanzo | ||||||
| CJMM1-63S CJMM1-63H | CJMM1-100S CJMM1-100H | CJMM1-225S CJMM1-225H | CJMM1-400S | CJMM1-400H | CJMM1-630S CJMM1-630H | ||
| Kukula kwa Bodi Yakumbuyo Mtundu Wolumikizira Pulagi | A | 25 | 30 | 35 | 44 | 44 | 58 |
| od | 3.5 | 4.5*6 dzenje lakuya | 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 | |
Ma molded case circuit breakers ndi zida zotetezera zamagetsi zomwe zimapangidwa kuti ziteteze dera lamagetsi ku magetsi ochulukirapo. Mphamvu yochulukirapo iyi imatha kuchitika chifukwa cha overload kapena short circuit. Ma molded case circuit breakers angagwiritsidwe ntchito m'ma voltage ndi ma frequency osiyanasiyana okhala ndi malire otsika komanso apamwamba a mayendedwe osinthika. Kuphatikiza pa njira zopunthwa, ma MCCB amathanso kugwiritsidwa ntchito ngati ma switch odulira manual pakagwa mwadzidzidzi kapena ntchito zokonza. Ma MCCB ndi ofanana ndipo amayesedwa kuti awone overcurrent, voltage surge, ndi error protection kuti atsimikizire kuti akugwira ntchito bwino m'malo onse ndi ntchito. Amagwira ntchito bwino ngati reset switch ya dera lamagetsi kuti adule magetsi ndikuchepetsa kuwonongeka komwe kumachitika chifukwa cha overload ya dera, ground fault, short circuit, kapena pamene current yapitirira malire a current.
Kugwiritsa ntchito MCCB kwasintha kwambiri njira yotetezera ma circuit. MCCB imatanthauza pulasitiki case circuit breaker, yomwe imagwiritsidwa ntchito kwambiri m'mafakitale osiyanasiyana chifukwa cha magwiridwe ake abwino komanso kudalirika kwake. Nkhaniyi ifufuza momwe ma MCCB amagwiritsidwira ntchito komanso momwe angakhudzire kwambiri chitetezo chamagetsi.
Ma MCCB amagwiritsidwa ntchito kwambiri m'mafakitale komwe chitetezo cha ma circuit ndi chofunikira kwambiri. Ma circuit breaker awa adapangidwa kuti azitha kuthana ndi mafunde amphamvu komanso kupereka chitetezo chodalirika ku overloads, short circuit, ndi zina zolakwika zamagetsi. Chimodzi mwazabwino zazikulu za ma MCCB ndi kuthekera kwawo kusokoneza kayendedwe ka magetsi pokhapokha ngati pachitika cholakwika, motero kupewa zoopsa zilizonse monga moto kapena kuwonongeka kwa zida zodula.
M'nyumba zamalonda, ma MCCB amagwiritsidwa ntchito kuteteza ma circuit omwe amayatsa magetsi, ma HVAC system, ndi zida zina zofunika kwambiri. Ma circuit breaker awa amaonetsetsa kuti ngati pachitika vuto, gawo lokhudzidwa la circuit limachotsedwa popanda kusokoneza magetsi kupita ku nyumba yonse. Kutha kumeneku kupatula ma circuit olakwika kumasunga nthawi ndikuletsa nthawi yosafunikira yogwira ntchito m'nyumba yonse.
Ntchito ina yofunika kwambiri ya MCCB ndi pankhani ya mphamvu zongowonjezwdwa. Pamene kufunikira kwa mphamvu zobiriwira kukupitirira kukwera, ma molded case circuit breakers amachita gawo lofunika kwambiri poteteza magetsi a zomera zamphamvu za dzuwa ndi ma wind turbine. Ma circuit breakers awa amaonetsetsa kuti magetsi opangidwa amasamutsidwa bwino kupita ku gridi popanda kuwononga zida kapena antchito.
Chifukwa cha kapangidwe kake kolimba komanso magwiridwe antchito odalirika, ma circuit breaker opangidwa ndi utomoni amagwiritsidwanso ntchito kwambiri mumakampani amafuta ndi gasi. MCCB ili ndi udindo woteteza ma circuit mu ntchito zosiyanasiyana kuphatikizapo nsanja zakunja kwa nyanja, mafakitale oyeretsera ndi kukhazikitsa mapaipi. Ma circuit breaker awa adapangidwa kuti azitha kupirira nyengo zovuta kwambiri, kuonetsetsa kuti makina ofunikira amagetsi akupitiliza kugwira ntchito bwino.
MCCB yalowanso m'munda wa nyumba kuti ipereke njira zodalirika komanso zothandiza zotetezera magetsi m'nyumba. Pamene chiwerengero cha zipangizo ndi makina m'nyumba chikuwonjezeka, chiopsezo cha kulephera kwa magetsi chikuwonjezekanso. MCCB imateteza magetsi m'nyumba kuti asagwiritsidwe ntchito mopitirira muyeso komanso mafupipafupi, zomwe zimapatsa eni nyumba mtendere wamumtima komanso chitetezo chamagetsi chikuwonjezeka.
Kuphatikiza apo, ma MCCB amagwiritsidwa ntchito kwambiri m'malo osungira deta kuti ateteze zida zofunika kwambiri komanso machitidwe omwe amathandizira zomangamanga zaukadaulo wazidziwitso. Ma circuit breaker awa ndi ofunikira kwambiri popewa kutayika kwa deta chifukwa cha zolakwika zamagetsi, kuonetsetsa kuti ntchito sizikusokonekera, komanso kuteteza chidziwitso chamtengo wapatali chosungidwa m'ma seva ndi zida zina za netiweki.
Mwachidule, ma molded case circuit breakers amagwiritsidwa ntchito m'mafakitale ndi m'magawo osiyanasiyana, zomwe zimapangitsa kuti akhale gawo lofunika kwambiri pachitetezo cha ma circuit. Kutha kwawo kuthana ndi mafunde amphamvu, kusokoneza kuyenda kwa mafunde panthawi yamavuto, komanso zomangamanga zolimba zimapangitsa kuti akhale chisankho chodziwika bwino chotsimikizira chitetezo chamagetsi. Kaya m'malo opangira mafakitale, m'nyumba zamalonda, m'malo opangira mphamvu zongowonjezwdwanso, m'malo opangira mafuta ndi gasi, m'nyumba zogona kapena m'malo osungira deta, MCCB yatsimikizira kuti ndi yankho lodalirika komanso lothandiza. Pamene ukadaulo ukupitilira patsogolo, kugwiritsa ntchito ndi kufunika kwa ma molded case circuit breakers kudzakula, zomwe zimawonjezera chitetezo chamagetsi m'magawo osiyanasiyana.