CJM1-250L/3300 250A 400V/690V China Factory Electric MCCB Molded Case Circuit Breaker Mufananidzo Unoratidzwa

CJM1-250L/3300 250A 400V/690V China Factory Electric MCCB Moulded Case Circuit Breaker

Tsananguro pfupi:

Kushandiswa

CJMM1 series molded case circuit breaker (inozonzi circuit breaker) inoshandiswa paAC 50/60HZ power distribution network circuit ine rated insulation voltage ye800V, rated operation voltage ye690V uye rated operation current kubva pa10A kusvika pa630A, inoshandiswa kuparadzira simba nekudzivirira circuit nemagetsi kuti zvisakuvadzwe nekuda kwekuwanda kwemagetsi, short circuit, under voltage nezvimwe zvikanganiso, inoshandiswawo pakutanga mota nguva zhinji pamwe nekuwanda kwemagetsi, short circuit uye under voltage protection. Iyi circuit breaker ine mabhenefiti e small volume, high breaking capacity, short arcing (kana noarcing) etc, inogona kugadzirirwa zvishandiso zvakaita se alarm contact, shunt release, assistance contact etc, chigadzirwa chakanakira mushandisi. Residual current circuit breaker inogona kuiswa yakatwasuka (vertical installation) kana kuiswa yakatwasuka (horizontal installation). Chigadzirwa ichi chinoenderana nezvinodiwa neIEC60947-2 neGb140482.

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CJ: Kodhi yebhizinesi
M: Muchina wekupwanya dunhu wakaumbwa
1: Nhamba yeDhizaini
□:Yakayerwa current yefuremu
□:Kugona kuputsa kodhi/S inoratidza mhando yakajairika (S inogona kusiiwa)H inoratidza mhando yepamusoro

Cherechedza: Kune mhando ina dzedanda risina kusimba (N pole) dzechigadzirwa chezvikamu zvina. Danda risina kusimba rerudzi rweA harina chinhu chinogumbura chinodarika simba, rinogara richibatidzwa, uye haribatidzwe kana kudzima pamwe chete nedzimwe matanda matatu.
Pole isina simba remhando B haina chinhu chinodhonza magetsi chinodarika mwero, uye inobatidzwa kana kudzima pamwe chete nemamwe matanda matatu (pole isina simba rinobatidzwa risati radzimwa) Pole isina simba remhando C ine chinhu chinodhonza magetsi chinodarika mwero, uye inobatidzwa kana kudzima pamwe chete nemamwe matanda matatu (pole isina simba rinobatidzwa risati radzimwa) Pole isina simba remhando D ine chinhu chinodhonza magetsi chinodarika mwero, inogara ichibatidzwa uye haibatidzwe kana kudzima pamwe chete nemamwe matanda matatu.

Tafura 1

Zita rezvishongedzo	Kuburitswa kwemagetsi	Kuburitswa kwemakemikari
Kubata kwekubatsira, kusunungurwa kwemagetsi pasi pemagetsi, kubata kwealamu	287	378
Maseti maviri ekubatsira ekuonana, alarm contact	268	368
Kuburitswa kweshunt, kubata alarm, kubata kwekubatsira	238	348
Pasi pemagetsi kusunungurwa, alarm contact	248	338
Alarm yekubatsira yekubata	228	328
Kubata alarm yekusunungura shunt	218	318
Kusunungurwa kwekubatsira kwepasi pemagetsi	270	370
Maseti maviri ekubatsira ekuonana	260	360
Kusunungurwa kweShunt pasi pevoltage	250	350
Kubatana kwekubatsira kweShunt kusunungurwa	240	340
Kusunungurwa kwepasi pemagetsi	230	330
Kubata kwekubatsira	220	320
Kusunungurwa kweShunt	210	310
Kubata alarm	208	308
Hapana chishongedzo	200	300

Kupatsanura

Nekukwanisa kutyoka: mhando yakajairika (rudzi S) b mhando yepamusoro yekugona kutyoka (rudzi H)
Nekubatanidza: kubatana kwebhodhi repamberi, kubatana kwebhodhi remashure reb, rudzi rwe plugin yec
Nekushandisa maitiro: kushanda kwemubato wakananga, kushanda kwemubato wekutenderera b, kushanda kwemagetsi c
Nehuwandu hwematanda: 1P, 2P, 3P, 4P
Nezvishongedzo: alarm contact, assistant contact, shunt release, under voltage release

Mamiriro Ebasa Akajairika

Kureba kwenzvimbo yekuisa hakufanirwe kudarika 2000m
Tembiricha yemhepo iri munzvimbo yakapoteredza
Tembiricha yemhepo haifanirwe kudarika +40℃
Avhareji yemutengo haifanirwe kudarika +35℃ mukati memaawa makumi maviri nemana
Tembiricha yemhepo haifanirwe kunge iri pasi pe -5℃
Mamiriro ekunze:
1. Hunyoro hwemhepo pano hahufanirwe kudarika 50% patembiricha yepamusoro ye +40℃, uye inogona kunge yakanyanya patembiricha yepasi, kana tembiricha yakaderera mumwedzi inonaya zvikuru isingapfuure 25℃ inogona kunge iri 90%, kunyungudika kwemvura pamusoro pechigadzirwa kunofanirwa kutariswa nekuda kwekuchinja kwetembiricha.
Kusvibiswa kwemhepo kuri muchikamu chechitatu

Chiratidzo Chepamusoro Chehunyanzvi

1 Kukosha kwezviputsi zvedunhu kwakatarwa
Muenzaniso	Imax (A)	Magadzirirwo (A)	Yakayerwa Voltage Yekushanda (V)	Yakayerwa Kudzivirira Voltage (V)	Icu (kA)	Ics (kA)	Huwandu hweMatanda (P)	Kureba kweArc (mm)
CJMM1-63S	63	6,10,16,20 25, 32, 40, 50,63	400	500	10*	5*	3	≤50
CJMM1-63H	63	6,10,16,20 25, 32, 40, 50,63	400	500	15*	10*	3,4	≤50
CJMM1-100S	100	16, 20, 25, 32 40,50,63, 80,100	690	800	35/10	22/5	3	≤50
CJMM1-100H	100	16, 20, 25, 32 40,50,63, 80,100	400	800	50	35	2, 3, 4	≤50
CJMM1-225S	225	100,125, 160,180, 200,225	690	800	35/10	25/5	3	≤50
CJMM1-225H	225	100,125, 160,180, 200,225	400	800	50	35	2, 3, 4	≤50
CJMM1-400S	400	225,250, 315,350, 400	690	800	50/15	35/8	3,4	≤100
CJMM1-400H	400	225,250, 315,350, 400	400	800	65	35	3	≤100
CJMM1-630S	630	400,500, 630	690	800	50/15	35/8	3,4	≤100
CJMM1-630H	630	400,500, 630	400	800	65	45	3	≤100
Cherechedza: Kana parameters dzekuedza dze400V dzichishandiswa, 6A isina kuburitswa kwekupisa

2 Hunhu hwekushanda kwe "inverse time break" kana danda rega rega rekuburitsa simba rakawandisa panguva imwe chete richibatidzwa
Chinhu chebvunzo Current (I/In)	Nzvimbo yenguva yekuedza	Mamiriro ekutanga
1.05In isingakanganise magetsi	2h(n>63A),1h(n<63A)	Kutonhora
Kugumburwa kwemagetsi 1.3In	2h(n>63A),1h(n<63A)	Enderera mberi nekukasika mushure mekuyedzwa nhamba 1

3 Hunhu hwekushanda kwekuputsa nguva hwakasiyana apo danda rega rega repamusoro- kuburitswa kwazvino kwekudzivirira mota kunobatidzwa panguva imwe chete.
Kugadzirisa Nguva Yazvino Mamiriro Ekutanga Enguva Yakajairika			Cherechedza
1.0In	>2awa	Nyika Inotonhora
1.2In	≤2awa	Yakaenderera mberi pakarepo mushure mekuyedzwa kwenhamba 1
1.5In	≤4min	Nyika Inotonhora	10≤Mukati≤225
	≤8min	Nyika Inotonhora	225≤Mukati≤630
7.2In	4s≤T≤10s	Nyika Inotonhora	10≤Mukati≤225
	6s≤T≤20s	Nyika Inotonhora	225≤Mukati≤630

4. Hunhu hwekushanda kwecircuit breaker panguva imwe chete hwekugovera simba hunofanira kunge hwakatarwa se10in + 20%, uye iyo yecircuit breaker yekudzivirira mota inofanira kunge iri 12ln ± 20%

Hunhu hweMCCBs

MCCBsYakagadzirwa nemabasa akati wandei anobatsira kuchengetedza masisitimu emagetsi nenzira yakachengeteka uye yakavimbika. Zvimwe zvinhu zvakakosha zveMCCB zvinosanganisira:

Kukwanisa kukuru kwekuputsa:Makaputsi edunhu akaumbwaanokwanisa kupwanya mafungu emvura anosvika zviuru zveampere, zvichiita kuti ave akakodzera kushandiswa nesimba guru.
Nzira yekufamba nemhepo ine magnetic: Molded case circuit breakers inoshandisa nzira yekufamba nemhepo ine magnetic kuti ione uye ipindure ku overcurrent ne short circuits. Thermal trip elements inopindura kune overloads, ukuwo magnetic trip elements inopindura kune short circuits.
Kugadziriswa Kwerwendo: MCCBs dzine kugadziridzwa kwerwendo, izvo zvinoita kuti dzikwanise kuiswa padanho rakakodzera rekushandisa kwaunoda.
Saizi dzakasiyana-siyana dzemafuremu: MaMCCB anowanikwa muhukuru hwakasiyana-siyana hwemafuremu, izvo zvinoita kuti ashandiswe mumhando dzakasiyana-siyana dzemashandisirwo. Nheyo yekushanda yemuchina wekupwanya dunhu wekesi wakaumbwa Nheyo yekushanda yeMCCB yakavakirwa pakushandisa thermal-magnetic tripping mechanism. Chinhu chekufamba nemhepo chinodziya chinonzwa kupisa kunogadzirwa nekuyerera kwemagetsi mudunhu uye chinopwanya muchina wekupwanya dunhu kana magetsi adarika chiyero cherwendo. Chinhu chekufamba nemhepo chinodziya chinonzwa simba remagineti rinogadzirwa nepfupi mudunhu, zvichipwanya muchina wekupwanya dunhu nekukurumidza. Maumbirwo emuchina wekupwanya dunhu wekesi wakaumbwa
MCCB ine imba yepurasitiki yakagadzirwa nesimbi ine michina yekufamba, zvinhu zvinobatana uye zvikamu zvemagetsi zvinotakura zvinhu.
Macontact acho akagadzirwa nezvinhu zvinofambisa mhepo zvakanyanya zvakaita semhangura, nepo nzira yekufamba nayo iine bimetallic strip uye magnetic coil.

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