Hauv MCCB, ntsuas luv luv Circuit Court breaking muaj peev xwm hais txog lub peev xwm tawg raws li cov xwm txheej.Tom qab cov txheej txheem xeem tau teev tseg, nws yuav tsum tau xav txog tias lub Circuit Court breaker tseem nqa nws cov ntsuas tam sim no.Txhawm rau ua kom tau raws li qhov xav tau ntawm cov neeg siv sib txawv, ntau lub tuam txhab hluav taws xob tam sim no faib cov hluav taws xob luv luv ntawm tib lub plhaub ntsuas tam sim no rau ntau qib, thiab cov neeg siv tuaj yeem xaiv qhov tsim nyog Circuit Court breaker raws li lawv xav tau los ntawm qhov tsawg kawg nkaus mus rau qhov siab tshaj plaws. tam sim no Circuit Court breakers.Lawv muaj ntau heev thiab pom nyob rau hauv yuav luag txhua lub tsev lossis cov qauv uas lawv feem ntau tau txais kev tso cai.Txawm li cas los xij, lawv ua lub luag haujlwm tseem ceeb hauv peb txoj kab hluav taws xob hluav taws xob thiab yuav tsum tau saib xyuas kom ua raws li cov qauv kev nyab xeeb tshiab.
CJ: Enterprise code
M: Moulded case Circuit Breaker
1: Tsim No
□: Rated tam sim no ntawm ncej
□: Rhuav lub peev xwm tus yam ntxwv code / S qhia hom qauv (S tuaj yeem raug tshem tawm) H qhia hom siab dua
Lus Cim: Muaj plaub hom ncej nruab nrab (N ncej) rau plaub theem khoom.Lub nruab nrab ncej ntawm hom A tsis yog nruab nrog dhau-tam sim no tripping caij, nws ib txwm hloov mus rau, thiab nws tsis tau hloov los yog ua ke nrog lwm yam peb ncej.
Cov ncej nruab nrab ntawm hom B tsis tau nruab nrog cov khoom siv tam sim no, thiab nws tau hloov los yog ua ke nrog lwm tus ncej (tus ncej nruab nrab yog hloov mus ua ntej yuav hloov OF) Cov ncej nruab nrab ntawm hom C yog nruab nrog tshaj- tam sim no tripping caij, thiab nws yog switched los yog off ua ke nrog rau lwm yam peb ncej (lub nruab nrab ncej yog switched rau ua ntej yuav switched OF) Lub nruab nrab ncej ntawm hom D yog nruab nrog over-tam sim no tripping caij, nws yog ib txwm switched rau thiab tsis hloov. ntawm los yog ua ke nrog rau lwm yam peb ncej.
Accessory npe | Kev tso tawm hluav taws xob | Muab tso tawm | ||||||
Pab tiv tauj, nyob rau hauv voltage tso, alam hu | 287 | ib 378 | ||||||
Ob lub koom haum hu xov tooj, tswb hu | 268 | 368 | ||||||
Shunt tso tawm, tswb hu, auxiliary contact | 238 | 348 | ||||||
Nyob rau hauv voltage tso tawm, tswb hu | 248 | 338 | ||||||
Auxiliary tiv tauj tswb hu | 228 | 328 | ||||||
Shunt tso lub tswb hu | 218 | 318 | ||||||
Pab tiv tauj under-voltage tso tawm | 270 | 370 | ||||||
Ob lub koom haum pab tiv tauj | 260 | 360 | ||||||
Shunt tso tawm under-voltage tso tawm | 250 | 350 | ||||||
Shunt tso tawm pab tiv tauj | 240 | 340 | ||||||
Kev tso tawm qis dua | 230 | 330 | ||||||
Sib cuag | 220 | 320 | ||||||
Shunt tso | 210 | 310 | ||||||
Tswb hu | 208 | 308 | ||||||
Tsis muaj accessory | 200 | 300 |
1 Rated tus nqi ntawm Circuit Court breakers | ||||||||
Qauv | Imax (A) | Specifications (A) | Rated Ua Haujlwm Voltage (V) | Rated rwb thaiv tsev Voltage (V) | Qhov siab (kA) | Ics (kA) | Number of Ncej (P) | Arcing nrug (mm) |
CJMM1-63S | 63 | 6, 10, 16, 20 25, 32, 40, ib. 50,63 ib | 400 | 500 | 10 * | 5* | 3 | ≤ 50 |
CJMM1-63H | 63 | 400 | 500 | 15 * | 10 * | 3,4 ib | ||
CJMM1-100S | 100 | 16, 20, 25, 32 40, 50, 63, ib. 80,100 ib | 690 ib | 800 | 35/10 ib | 22/5 | 3 | ≤ 50 |
CJMM1-100H | 100 | 400 | 800 | 50 | 35 | 2, 3, 4 | ||
CJMM1-225S | 225 | 100,125, 160, 180, ib. 200,225 ib | 690 ib | 800 | 35/10 ib | 25/5 | 3 | ≤ 50 |
CJMM1-225H | 225 | 400 | 800 | 50 | 35 | 2, 3, 4 | ||
CJMM1-400S | 400 | 225,250, ib. 315, 350, ib. 400 | 690 ib | 800 | 50/15 | 35/8 ib | 3,4 ib | ≤100 |
CJMM1-400H | 400 | 400 | 800 | 65 | 35 | 3 | ||
CJMM1-630S | 630 | 400,500, 630 | 690 ib | 800 | 50/15 | 35/8 ib | 3,4 ib | ≤100 |
CJMM1-630H | 630 | 400 | 800 | 65 | 45 | 3 | ||
Nco tseg: Thaum qhov ntsuas ntsuas rau 400V, 6A yam tsis muaj cua sov tso tawm |
2 Lub sijhawm hloov pauv lub sijhawm ua haujlwm yam ntxwv thaum txhua tus ncej ntawm overcurrent tso tawm rau lub zog faib hluav taws xob yog siv rau tib lub sijhawm | ||||||||
Yam khoom tam sim no (I/In) | Test lub sij hawm | Thawj lub xeev | ||||||
Tsis-tripping tam sim no 1.05In | 2h(n>63A), 1h(n<63A) | Lub xeev txias | ||||||
Tripping tam sim no 1.3In | 2h(n>63A), 1h(n<63A) | Ua tam sim ntawd tom qab No.1 xeem |
3 Lub sijhawm hloov pauv lub sijhawm ua haujlwm yam ntxwv thaum txhua tus ncej ntawm dhau- tam sim no tso tawm rau kev tiv thaiv lub cev muaj zog yog siv rau tib lub sijhawm. | ||||||||
Teem caij Tam Sim No Pauv Lub Sijhawm Pib Lub Xeev | Nco tseg | |||||||
1.0 Ib | > 2 h | Txias Xeev | ||||||
1.2 Ib | ≤ 2h | Ua tiav tam sim tom qab qhov kev xeem No.1 | ||||||
1.5 Ib | ≤ 4 min | Txias Xeev | 10≤In≤225 | |||||
≤ 8 feeb | Txias Xeev | 225≤In≤630 | ||||||
7.2 Ib | 4s≤T≤10s | Txias Xeev | 10≤In≤225 | |||||
6s≤T≤20s | Txias Xeev | 225≤In≤630 |
4 Cov yam ntxwv ntawm kev ua haujlwm tam sim no ntawm Circuit Court breaker rau kev faib hluav taws xob yuav tsum tau teeb tsa raws li 10in + 20%, thiab ib qho ntawm Circuit Court breaker rau kev tiv thaiv lub cev yuav tsum tau teem li 12ln ± 20% |