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 ma molded case circuit breakers (MCCBs) m'mafakitale osiyanasiyana kwasintha momwe magetsi amagwirira ntchito. MCCB ndi gawo lofunikira kuti liwonetsetse kuti magetsi akuyenda bwino komanso motetezeka. Amapereka chitetezo ku overloads, short circuit, ndi zina zolakwika zamagetsi, zomwe ndizofunikira kwambiri popewa ngozi zamagetsi ndi zoopsa zamoto.
Chimodzi mwa ubwino waukulu wa MCCBs ndi kuthekera kwawo kuthana ndi mafunde amphamvu kwambiri. Amapangidwira makamaka kuteteza ndikuwongolera ma circuits omwe amafunikira mphamvu zambiri. Makampani monga opanga, migodi, mafuta ndi gasi, ndi mayendedwe amadalira kwambiri MCCBs kuti ateteze zida zawo zofunika zamagetsi ndi zomangamanga. Kuthekera kwa MCCBs kuthana ndi mafunde amphamvu bwino ndikudula magetsi okha pakagwa kuchuluka kapena kulephera kumapangitsa MCCBs kukhala yofunika kwambiri m'mafakitale awa.
Ubwino wina waukulu wa MCCB ndi wosavuta kuyiyika ndi kugwiritsa ntchito. Ndi yaying'ono kukula kwake ndipo imatha kuphatikizidwa mosavuta mu switchboards ndi switchboards. Kapangidwe kawo ka modular kamalola kusinthasintha, zomwe zimapangitsa kuti zikhale zosinthika malinga ndi zofunikira zosiyanasiyana zoyikira. Kuphatikiza apo, ma MCCB amapezeka m'mitundu yosiyanasiyana yamagetsi, zomwe zimapangitsa kuti zigwirizane ndi mitundu yosiyanasiyana yamagetsi. Kusavuta kuyiyika ndi kugwiritsa ntchito kumapangitsa ma MCCB kukhala chisankho chodziwika bwino cha kukhazikitsa kwatsopano ndikusintha makina amagetsi omwe alipo.
Kulondola ndi kudalirika kwa ma MCCB kumagwira ntchito yofunika kwambiri pakuwonetsetsa kuti makina amagetsi akuyenda bwino. Ma MCCB ali ndi njira zamakono zoyendera zomwe zimazindikira ndikuyankha molondola mavuto amagetsi. Ali ndi mitundu yosiyanasiyana ya masensa ndi masensa monga kutentha, maginito, zamagetsi, ndi zina zotero, zomwe zimatha kuzindikira zinthu zosazolowereka zamagetsi. Vuto likapezeka, MCCB imagunda ndikudula magetsi nthawi yomweyo, zomwe zimaletsa kuwonongeka kwina kulikonse.
Ma MCCB amathandizanso kukonza mphamvu zamagetsi. Mwa kuteteza bwino ku kulephera kwa magetsi ndi kuchuluka kwa magetsi, amaletsa kutentha kwambiri komanso kuwononga magetsi mosafunikira. Izi sizimangochepetsa chiopsezo cha kuwonongeka kwa zida, komanso zimawonjezera kugwiritsa ntchito mphamvu. Popeza anthu akugogomezera kwambiri kusunga mphamvu ndi chitukuko chokhazikika, kugwiritsa ntchito ma molded case circuit breakers ndikofunikira kwambiri kuti zitsimikizire kuti ntchito zikuyenda bwino komanso zoteteza chilengedwe m'mafakitale osiyanasiyana.
Mwachidule, kugwiritsa ntchito kwambiri ma mold case circuit breakers kwakweza kwambiri chitetezo, kudalirika, komanso kugwira ntchito bwino kwa magetsi m'mafakitale osiyanasiyana. Kutha kwawo kuthana ndi mafunde amphamvu, kusavuta kuyika, kuzindikira zolakwika molondola, komanso kuthandizira pakugwiritsa ntchito bwino mphamvu kumapangitsa kuti akhale zinthu zofunika kwambiri pa kuteteza ndi kuwongolera magetsi. Pamene ukadaulo ukupita patsogolo, ma mold case circuit breakers akupitilizabe kusintha kuti akwaniritse zosowa zomwe zikukula zamagetsi amakono. Pamene mafakitale akupitiliza kudalira magetsi kuti agwire ntchito, udindo wa MCCB pakuwonetsetsa kuti ma circuit akugwira ntchito bwino komanso motetezeka udzakhala wofunika kwambiri.