MuMCCB, rated short circuit breaking capacity inoreva kupaza kwesimba pasi pemamiriro akatarwa.Mushure meiyo yakatsanangurwa bvunzo maitiro, zvinofanirwa kufunga kuti wedunhu rinotyora rinoramba richitakura iro rakayerwa ikozvino.Kuti zvizadzise zvinodikanwa zvevashandisi vakasiyana, vagadziri vazhinji vedunhu vanopwanya zvino vanopatsanura ipfupi-yedunhu kutyora kugona kweiyo yakafanana goko reti yemazuva ano mumatanho akasiyana, uye vashandisi vanogona kusarudza yakakodzera yedunhu inotyora zvinoenderana nezvavanoda kubva padiki kusvika pakakwirira. zvino wedunhu breakers.Iwo akajairika uye anowanikwa mune chero chivako chero chipi zvacho kana chimiro zvekuti anowanzo torwa seasingakoshi.Zvakadaro, ivo vanoita basa rakakosha mumagetsi grid system yedu uye inofanirwa kuchengetedzwa kuti ienderane neazvino kuchengetedza mwero.
CJ:Kodhi yebhizinesi
M:Mould kesi circuit breaker
1:Design Nhamba
□:Yakayerwa ikozvino yefuremu
□:Kutyora kugona hunhu kodhi/S inoreva yakajairika mhando (S inogona kusiiwa)H inoreva mhando yepamusoro
Cherechedzo: Kune mhando ina dzema neutral pole (N pole) yezvikamu zvina chigadzirwa. The neutral pole yerudzi A haina kugadzirwa ne over-current tripping element, inogara yakabatidzwa, uye haina kubatidzwa kana kudzimwa pamwe chete nezvimwe. matanda matatu.
Bango rakarerekera rerudzi B harina kurongedzerwa ne-over-current tripping element, uye rinobatidzwa kana kudzima pamwe chete nemamwe mapango matatu (i neutral pole inobatidzwa isati yadzimwa) yazvino, uye inobatidzwa kana kudzima pamwe chete nemamwe matanda matatu (iyo isina kwairi danda inobatidzwa isati yadzimwa) Iyo isina kwayakarerekera yerudzi D inoshongedzerwa nepamusoro-ikozvino chinhu chekutsika, inogara ichibatidzwa uye haibatiswe. pamusoro kana kudzika pamwe chete nemamwe matanda matatu.
Zita rekushandisa | Kuburitswa kwemagetsi | Compound release | ||||||
Yekubatsira kuonana, pasi pemagetsi kuburitswa, alam kuonana | 287 | 378 | ||||||
Maseti maviri ekubatsira ekubatanidza, alarm yekubata | 268 | 368 | ||||||
Shunt kuburitswa, alarm yekubata, yekubatsira kuonana | 238 | 348 | ||||||
Pasi pemagetsi ekuburitswa, alarm yekubata | 248 | 338 | ||||||
Wekubatsira kuonana nearamu kubata | 228 | 328 | ||||||
Shunt kuburitsa alarm contact | 218 | 318 | ||||||
Auxiliary contact under-voltage release | 270 | 370 | ||||||
Mapiri maviri ekubatsira kuonana seti | 260 | 360 | ||||||
Shunt kuburitsa under-voltage kuburitswa | 250 | 350 | ||||||
Shunt kuburitsa yekubatsira kuonana | 240 | 340 | ||||||
Under-voltage release | 230 | 330 | ||||||
Mubatsiri kuonana | 220 | 320 | ||||||
Shunt release | 210 | 310 | ||||||
Alarm contact | 208 | 308 | ||||||
Hapana chekushongedza | 200 | 300 |
1 Yakatemerwa kukosha kwemasiketi breakers | ||||||||
Model | Imax (A) | Zvinodiwa (A) | Rated Operation Voltage(V) | Rated Insulation Voltage(V) | Icu (kA) | Ics (kA) | Nhamba yeMapango (P) | Arcing Distance (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 | ||
Ongorora: Kana bvunzo paramita ye400V, 6A isina kupisa kuburitswa |
2 Inverse time breaking operation character kana danda rega rega rekuburitsa simba rekugovera simba richibatidzwa panguva imwe chete. | ||||||||
Chinhu chekuyedza Chazvino (I/In) | Test time nzvimbo | Mamiriro ekutanga | ||||||
Isiri-kutsika ikozvino 1.05In | 2h(n>63A),1h(n<63A) | Cold state | ||||||
Kufamba ikozvino 1.3In | 2h(n>63A),1h(n<63A) | Pfuurira ipapo mushure meNo.1 bvunzo |
3 Inverse nguva yekutyora hunhu hwekushanda kana danda rimwe nerimwe repamusoro- ikozvino kusunungurwa kwekudzivirira motokari kunobatidzwa panguva imwe chete. | ||||||||
Kuisa Current Conventional nguva Initial State | Cherechedza | |||||||
1.0In | >2h | Cold State | ||||||
1.2In | ≤2h | Enderera pakarepo mushure meNo.1 bvunzo | ||||||
1.5In | ≤4min | Cold State | 10≤Mu≤225 | |||||
≤8min | Cold State | 225≤In≤630 | ||||||
7.2In | 4s≤T≤10s | Cold State | 10≤Mu≤225 | |||||
6s≤T≤20s | Cold State | 225≤In≤630 |
4 Iyo yekukasira mashandiro ehunhu hwedunhu rekupwanya kugovera magetsi ichaiswa se 10in + 20%, uye imwe yedunhu inotyora yekudzivirira mota ichaiswa se12ln ± 20% |