TL;DR — Zvaunofanira Kuziva
- Mabhuroko epachiteshi anorema ane 150A ane 35mm² (AWG 2) anogamuchirwa newaya ndiwo mwero wekugoverwa kwesimba renzvimbo yekudzora mota — zvichipa nzvimbo dzakachengeteka uye dzakarongeka dzekubatanidza tambo dzekufambisa mota dzinosvika 50mm².
- Mafungu emagetsi anoputika nemota (6-8× FLA) anoda mabhuroko ekupedzisira ane huremu hwakawanda hwekupisa — mabhuroko emagetsi anodzorwa akajairwa panguva imwe chete yemagetsi anozokundikana pasi peMCC duty cycles nekuti haana copper cross-section yekupinza simba rinopinda.
- Nzvimbo inonaka ye35mm² (AWG 2) Hazvina kurongwa: zvinoenzanisa zvakakwana ampacity (150A ine 25% safety margin pa40°C), mechanical wire manageability (bend radius
- zvakananga kubva kufekitori yedu, mabhuroko emagetsi anorema anodhura 35-50% pasi pemhando dzeEurope dzakafanana neIEC/UL — nenguva dzekutungamira dzemabhuroko ezvigadzirwa zvekatalogu zvakajairika dzinotora mavhiki maviri kusvika matatu.
- Kurongeka kweSCCR ndiyo njodzi yekutanga mukusarudzwa kweMCC terminal block — Gara uchisimbisa kuti chiyero chenguva pfupi chebhuroko rekupedzisira chinoenderana neSCCR yeMCC (kazhinji 42kA kusvika 65kA yemidziyo yemazuva ano).
Chii Chinotsanangura Chivharo Chinorema Chekushandisa Nzvimbo Dzekudzora Mota?
Regai ndinyatsotaura zvinorehwa neshoko rekuti "heavy duty" — nekuti izwi iri rinongotaurwa zvisina kunaka muindasitiri iyi. Chivharo chemagetsi chinorema, chero chipi zvacho chine zvachinoreva, chakagadzirirwa kuyera magetsi anoenderera mberi kubva pa100A kusvika 400A, chine huwandu hwekugamuchira waya hunotangira pa10mm² (AWG 8) uye hunosvika pa150mm² (300 kcmil). Aya haasi mabhuroko ekupedzisira aunoshandisa pakubatanidza PLC I/O kana maroko emidziyo ye4-20mA. Aya ndiwo mabhuroko ari pakati pebhazi guru reMCC nemayuniti ekutanga mota imwe neimwe — ayo ane simba remagetsi rakakwana kuti ashandise mota ye75kW (100 HP).
Kufekitori yedu, tinotara mutsetse wakajeka: Kana terminal block ichibata simba remota — kwete simba rekudzora, kwete waya dzemasaini, asi simba chairo remaphase matatu rinotenderedza mota — inowira muchikamu chedu chezvigadzirwa zvinorema. Mutsetse uyu uripo nekuda kwechikonzero chaicho cheinjiniya: mamota ane mastress matatu emagetsi ayo macontrol circuits asingamboiti, uye dhizaini yeterminal block inofanira kuverengera ese matatu panguva imwe chete.
Nei Nzvimbo Dzekudzora Mota Dzichida Mabhuroko Akasiyana-siyana Emagetsi
Nzvimbo dzekudzora mota, kana tichitarisa magetsi, ndeimwe yenzvimbo dzinotyisa dzekubatanidza ma terminal block. Ndakadzidza chidzidzo ichi muna 2012 apo mumwe wevatengi vedu vekutanga akataura nezvekukundikana kweblock yemagetsi mukuisa MCC mushure memwedzi misere chete yekushanda - mablocks akanga apasa bvunzo dzese dzefekitori nemavara akanaka. Patakaenda nendege neinjiniya wedu kunzvimbo iyi (fekitori yekubatanidza mota muMichigan), takaona dambudziko racho mukati memaminitsi gumi nemashanu: mabhuroko emagetsi ekupedzisira akanga akakwana zvakakwana pakushanda kwe120A kwakasimba, asi akanga achiiswa 720A inrush spikes katanhatu paawa apo mainjini ekugadzira aifamba nekudzima.
Kushanya kamwe chete ikoko kwakachinja zvikuru magadzirirwo atinoita uye kuyera mabhuroko edu emagetsi anorema. Hezvino zvinodiwa neMCC environments kuti mabhuroko emagetsi akajairwa asakwanise kuita:
Inrush Current: Muurayi Akavanzwa
Mota dze induction dzinodhonza amperage yadzo yakazara (FLA) ka6-8 panguva yekutanga — mota ye75kW ine 140A FLA inodhonza 840-1120A kwemasekondi angangoita maviri kusvika mashanu panguva yekutanga kwese kwese. Kunyangwe nemidziyo yekutangisa yakapfava ichideredza kumhanya kusvika pa3×FLA, uchiri kutarisa 420A ichikwira nepakati pekubatanidza kweterminal block. Nekuti mabhuroko emagetsi akajairwa anoedzwa kuti aone kushanda kwekupisa pamagetsi akajairwa chete, kwete kuti awedzere simba kwenguva pfupi, chikamu chavo chemhangura hachina simba rekupisa kuti chitore simba rinopinda pasina kudarika tembiricha inonyorovesa yeimba yePA66.
Kudedera: Chinosunungura Kubatana
MaMCC azere nema "electromechanical contactors" anovhara nekuvhura kakawanda pazuva. Kushanda kwega kwega kwe contactor kunotumira kuvhunduka kwemuchina kuburikidza nechimiro chose chechikamu chakamira — uye bhuroko rega rega rekupedzisira rakaiswa pachivako ichocho rinonzwa izvozvo. Zvivharo zve terminal zve screw zvine 1.2-1.5 Nm zvinozosununguka zvishoma nezvishoma kana zvadengenyeka. Zvivharo zvinorema zvinoshandisa screw dzesimbi dzeM5 kana M6 dzine torque ye2.5-5.0 Nm, uye geometry ye screw inosanganisira self-locking feature (conical spring washer kana serrated contact surface) inodzivirira kutenderera kana zvadengenyeka.
Nzvimbo Yakaganhurirwa uye Kunyorovesa Kupisa
Zvikamu zveMCC zvakamira zvakazara: mabhazi, macircuit breaker, macontactor, ma overload relays, ma control transformer, uye ma terminal blocks zvese zvinokwikwidzana kuti zviwane nzvimbo muNEMA 1 kana NEMA 12 enclosure. Kupisa kwenzvimbo mukati meMCC inoshanda kunowanzosvika 50-55°C — 10-15°C pamusoro pe40°C rating hwaro hwema terminal blocks. Pamhepo inodziya ye55°C, chiyero chemagetsi che terminal block chinofanira kudzikiswa ne12-15%, zvinoreva kuti chiyero che 150A nameplate chinova chiyero che 128-132A chinogara chichishandiswa. Zvivharo zvinorema zvine simbi dzemhangura dzakakura zvinochengetedza mukana wekupisa wakakura kune izvi chaizvo.
Nhare ye35mm² (AWG 2): Nei Iri Iri Mwero weMCC
Kondakita ye35mm² iri pamharadzano yemiganhu mitatu yeinjiniya iyo inosangana mukugadzirwa kwenzvimbo yekudzora mota. Haisi nhamba isina kurongeka — imhaka yekuvandudza kugona kwemuchina, mashandiro emuchina, uye mutengo.
| Paramita | 25mm² (AWG 4) | 35mm² (AWG 2) | 50mm² (AWG 1/0) |
|---|---|---|---|
| Kukwanisa kwemhepo pa40°C (mhangura, 3-conductor iri mupaipi) | 110A | 145A | 170A |
| Ampacity pa55 ° C (MCC yemukati, yakaderedzwa) | 93A | 123A | 144A |
| Muganho wekuchengetedza uri pamusoro pe150A block rating | -26% ❌ | +21% ✅ | +42% (yakakura) |
| Dhayamita yekunze yetambo (XLPE insulated) | ~14mm | ~16mm | ~19mm |
| Radiyo shoma yekukombama (pa NEC) | ~98mm | ~112mm | ~133mm |
| Mutengo pamita imwe neimwe (yakaenzana) | 0.75× | 1.00× | 1.40× |
Tafura yacho inotaura nyaya yacho zvakajeka: 35mm² ndiyo dhairekita yegordilocks yemaseketi emota e150A. Waya ye25mm² haina kukura kwakawanda ye150A kana tembiricha yeMCC yakakwira — unenge uchivimba nechikamu chekupisa cheterminal block kuti chitsive kondakita isina kukura, izvo zvisiri zvehunyanzvi hwakanaka. Waya ye50mm² yakachengeteka asi yakakura zvakanyanya — inodhura 40% yakawanda, inoda nzvimbo yakawanda yekukombama, uye haikubatsiri pakushanda kwemagetsi nekuti terminal block pachayo ndiyo inoganhurira pa150A.
Tekinoroji dzekubatanidza dzezvishandiso zvinorema
Kana uchidzima tambo yekufambisa mota ye35mm² mukati meMCC, Tekinoroji yekubatanidza inokosha sekutarisa kwe terminal block pachayo. Tinogadzira mhando ina dzakasiyana dzekubatanidza dzemhando yedu yezvigadzirwa zvinorema, uye imwe neimwe ine mamiriro ayo ekushandisa:
Kubatanidza Stud/Bolt (Inokurudzirwa ≥35mm²)
Chigadziko chesimbi cheM6 kana M8 chakagadzirwa neshinda chine hex nut uye spring washer chinogamuchira ma terminals ering akakombama. Iyi ndiyo kurudziro yedu yakasimba kune chero kondakita ine 35mm² zvichikwira, kunyanya kune zvinobatanidzwa padivi pemutsetse (zvinopinda) mumapurogiramu eMCC. Zvikonzero zvinonzwisisika: ring terminal inopa kubata kwe360-degree yakatenderedza stud, kubatana kwemuchina hakubviswi kana kwanyatso torched, uye - zvakakosha pakugadzirisa - ring terminal inogona kubviswa uye kubatanidzwazve kakawanda pasina kukanganisa conductor, izvo zvinonyanya kukosha kana mabhaketi eMCC achifanira kutsiviwa panguva yekugadzirisa mutsetse wekugadzira.
Chinovhara Simba (Che 10-35mm²)
Skuruu yesimbi yeM5 kana M6 inotyaira ndiro yekumanikidza inodzvanya dhairekitori pabhawa remagetsi emhangura. Iyi ndiyo mhando yedu inonyanya kufarirwa yekubatanidza ma "motor feeder terminals" ari pakati pe10-35mm² nekuti inosanganisa kuiswa nekukurumidza (pasi pemasekondi makumi matatu pawaya imwe neimwe ne screwdriver ine simba) uye yakavimbika kwenguva refu. Sikuruu inoshandisa 3.0-4.0 Nm ye torque — yakakwana kuputira tambo dzemuchina wekufambisa mhepo nepamusoro pemhangura yakaputirwa netin, zvichiita kuti pave nekubatana kusingapindi gasi kunodzivirira kuoxidation uye kupisa.
Chinovhara Bhokisi/Saddle (Ye16-50mm², Mhando dzeMuchina Wakasanganiswa weKufambisa)
Chibatiso chechigaro chakaita seU chine screws mbiri chinoita kuti chibatiso chakazvimirira chive kumativi ese emuchina wekufambisa. Dhizaini iyi inokosha pakugumisa masimbi emota dzearuminiyamu pamwe chete netambo dzecopper feeder — nekuti inokwana ma coefficients akasiyana ekuwedzera kwekupisa kwearuminiyamu (23×10⁻⁶/K) zvichienzaniswa necopper (17×10⁻⁶/K) pasina kugadzira nzvimbo dzinopisa panzvimbo yekubatana.
MaStud Blocks Ekuparadzira Simba (Ekubatanidza Main Bus)
Aya ndiwo mabhuroko edu makuru, ane maStuds eM10 kana M12 ane threaded points akaenzana ne250-400A. Anoshandiswa apo MCC's vertical busbar inobatanidza netambo dzinopinda - nzvimbo yekutanga yekubatanidza mumota control centre. Padanho iri razvino, terminal block inova chikamu chechimiro, kwete kungobatanidza magetsi chete - simba remakanika kubva pakukotama kwetambo ye150mm² rinofanira kutsigirwa ne terminal block housing uye DIN rail mounting yayo, kwete ne copper stud chete.
Zvitupa: Zvinodiwa Nezvinodiwa NeMCC Yako
Zvinodiwa pakutenga nzvimbo yekudzora mota hazvina mubvunzo nezvezvinodiwa pakupihwa chitupa chemagetsi. Kana zvinodiwa zvichireva kuti panofanira kuva nemidziyo yeMCC yakanyorwa neUL 845 (sezvinoita maMCC ese ekuNorth America), saka chinhu chega chega chiri mukati - kusanganisira mabhuroko ekupedzisira - chinofanira kunge chine chiratidzo chakakodzera cheUL.
Kune ma terminal blocks ane mabasa akawanda muMCC applications, zvakakosha kuti zvitupa zviitwe ndeizvi:
UL 1059 (Yakajairwa yeMabhuroko eChiteshi) — inovhara mabhuroko ekupedzisira ane chiyero che 1500V. UL 1059 Chinyorwa. 6-2024, mabhuroko ekupedzisira anofanira kuongororwa kuti aone kana achigona kugamira dielectric, kana kuti anoona kana achigona kukwira tembiricha pamagetsi akayerwa, uye kana achigona kugamira short-circuit current. Zvishandiso zvedu zveUL zvine ma "heavy duty blocks" ane SCCR ratings kubva pa10kA kusvika ku65kA zvichienderana ne "upstream protective device coordination" — uye tinopa matafura eSCCR coordination mu datasheet yega yega yechigadzirwa.
CSA C22.2 Nhamba 158 — yakaenzana neCanada, inodiwa pakuisa maMCC muCanada. Kuongororwa kweCSA kunowedzera bvunzo yekudzikisa kutonhora pa -35°C iyo isingadiwi neUL, iyo inokosha pakuisa maMCC ekunze munzvimbo dzekuchamhembe.
IEC 60947-7-1 — mwero wepasi rose. Pa kugadziriswa kwazvino, mabhuroko ekupedzisira anofanira kuratidza zvakajeka kuti magetsi anomira kwenguva pfupi (Icw) akayerwa — magetsi anogona kutakura bhuroko kwesekondi imwe chete pasina kukuvara. Kune 150A heavy duty block, kukosha kweIcw kunowanzo bva pa3.0kA kusvika pa4.5kA (sekondi imwe), iyo inofanirwa kuenderana nesimba reMCC re upstream circuit breaker let-through.
Kusarudza Mutengesi weHeavy Duty Terminal Block: Chii Chinoparadzanisa Hunhu neKusawirirana
Ndinoda kutaura nezvenyaya iyi zvakananga nekuti Musika wezvigaro zvemagetsi wazara nevanhu vanopa zvigadzirwa zvakafanana mumifananidzo yekatarogu asi zvinoshanda zvakasiyana zvikuru mumamiriro chaiwo ekushanda kweMCC.
Hezvino zvatakadzidza zvinosiyanisa terminal block yemhando yepamusoro kubva kune yezvigadzirwa - uye zvaunofanira kuongorora paunenge uchiongorora chero mutengesi wezvibato zvinorema zvemagetsi:
1. Chitupa chekuchena kwemhangura. Bhasi remhangura remagetsi reC11000 rine magwaro ekuridzosera kufekitori yemhangura. Mhangura yenhema kana kuti yakadzokororwa — iyo inowanikwa zvakanyanya mumabhuroko ekupedzisira asingadhuri — ine tsvina (kunyanya simbi neokisijeni) inoderedza conductivity ne5-15% uye inogadzira nzvimbo dzinopisa dziri pedyo pamiganhu yezviyo. Tinopa zvitupa zvekuedza zvemugayo zvebatch yega yega yemhangura inoshandiswa mumutsara wedu webasa rinorema.
2. Ukobvu hwepurasitiki yesimbi. Kuputira simbi pabhawa remhangura kunobatsira zvinhu zviviri: kunodzivirira oxidation yemhangura (izvo zvinowedzera kusabatana nekufamba kwenguva), uye kunogadzira nzvimbo yakapfava, inochinjika inosunganidza simbi kumhepo inotonhorera pasi pekumanikidzwa kwescrew. Ukobvu hweplating hwakajairwa neindasitiri hunosvika 3-5μm; tinoisa plate kusvika 5-8μm nekuti 2-3μm yakawedzerwa inowedzera hwindo rekudzivirira oxidation kubva pamakore angangoita mashanu kusvika kumakore gumi nemashanu zvichikwira munzvimbo dzinodzorwa dzemukati.
3. Sikuruu yesimbi yemhando yepamusoro uye kurapwa kwekupisa. Zvikuruu zvinosunga zviri muchikamu chinorema chemagetsi zvinofanirwa kuchengetedza hunhu hwazvo hwemakanika kuburikidza nezviuru zvema "thermal cycles" kubva -40°C kusvika +130°C. Tinoshandisa screws dzesimbi dzekabhoni dzegiredhi 8.8 dzine zinc-nickel plating uye chromate conversion coating — musanganiswa uyu unopa 5× corrosion resistance ye screws dzakajairwa dzakaputirwa ne zinc uye unoramba uine simba rekusunga kusvika pakupisa kwakazara.
4. Kuumbwa kwezvinhu zvekugara. Dzimba zhinji dzema terminal block dzakanyorwa kuti "PA66" pasina kutaura kuti girazi rine fiber yakawanda zvakadii. Chikamu chekusimbisa girazi nefiber (kazhinji 25% kana 30%) chinokanganisa zvakananga kugadzikana kweimba kana ichipisa — pa130°C, imba yePA66 GF25 inochengetedza simba rayo rekudhonza rinosvika 40% rekupisa kwemukamuri, nepo PA66 GF30 ichichengetedza 55%. Kune mabhuroko anorema anoshanda pakupisa kwakanyanya kweMCC, musiyano uripo pakati peGF25 neGF30 musiyano uripo pakati peimba inochengetedza shinda dzescrew neiyo isingachengetedze.
Kubatanidza Mabhuroko Emagetsi Anorema Mumagadzirirwo eMCC: Unyanzvi Hunoshanda
Mushure mekupa ma terminal blocks kuvagadziri veMCC nevagadziri vemapaneru kwemakore anopfuura gumi, heano ruzivo rwekubatanidza runoita mutsauko pakati pekuisa kwakachena nedambudziko guru rekugadzirisa matambudziko:
Kuronga Nzvimbo yeWireway. Zvikamu zveMCC zvakamira zvinowanzova nehupamhi hwewaya hwe100-150mm kurudyi. Mubatanidzwa wezvivharo zvemagetsi zvine nzvimbo gumi nembiri pa15mm pitch unobata 180mm yeDIN rail — pamwe ne radii yekukombama kwetambo dze35mm² dzinowedzera anenge 110mm kudivi rega rega. Izvi zvinoreva kuti bhuroko rine nzvimbo gumi nembiri rinoshandisa 400mm yenzvimbo yewaya yakamira, iyo inofanirwa kuverengerwa mudhirowa reMCC section layout draw isati yadhonzwa waya yekutanga.
Kutarisira Kupisa. Kubatanidzwa kwe150A terminal block ine nzvimbo sere dzine avhareji ye110A panzvimbo imwe neimwe kunogadzira kupisa kweinenge 6-8W panzvimbo imwe neimwe kubva pakusagona kubatwa uye kurasikirwa kweI²R yebhazi — huwandu hwese hwe50-65W. Muchikamu cheNEMA 12 MCC chakavharwa chisina mhepo inomanikidzwa, 65W iyoyo ichakwidza tembiricha yemukati mechikamu neinenge 5-8°C pamusoro pemhepo mukati memaawa mana ekushanda. Kukwira kwekuwedzera kwekushisa uku kunofanirwa kuwedzerwa pakuverenga kwemamiriro ekunze — mukuita, bhokisi re150A riri muNEMA 12 MCC yakazara rinowanzo shanda zvakanaka sebhokisi re135A.
Wiring yeTerminal Block-to-Starter. Chikanganiso chikuru chatinoona pakubatanidza waya mumunda ndechekushandisa tambo dzemagetsi dzinofambisa mota kubva pa terminal block kuenda pa motor starter tichishandisa majumpers asina kukura. Kana terminal block yakapihwa 35mm² inouya uye mota inotanga inogamuchira 35mm² lugs, jumper iri pakati padzo inofanirawo kuva 35mm² — kwete 16mm² kana 25mm² nekuti zviri nyore kukotama. Jumper ye16mm² iri mucircuit ye150A inomhanya nekupisa kwe30-40°C kupfuura 35mm² conductors kumativi ese, zvichiita kuti pave nekusasimba kwekupisa uko vaongorori vanonyanya kuona.
Mutengo Wose weKuva Muridzi: Kupfuura Mutengo weKutenga
Mapoka ekutenga zvinhu anotarisisa mutengo weyuniti; mainjiniya ekugadzirisa zvinhu anotarisisa kuvimbika. Mari yose yekuverenga muridzi inobatanidza maonero aya - uye mune zvakaitika kwatiri, ndiyo nharo inonyanya kufadza yekudyara muzvigaro zvemagetsi zvemhando yepamusoro.
Ngativerengei TCO yekubatanidza 20-position heavy duty terminal block muMCC — tichienzanisa mhinduro yepamusoro-soro yemugadziri nekutenga zvinhu zvinounzwa kunze kwenyika:
| Chinhu Chemutengo | Bhokisi rePremium (J-Guang, Rakananga) | Kupinza Zvinhu Zvine Mutengo |
|---|---|---|
| Mutengo wekutenga wekuunganidza nzvimbo makumi maviri | $48.00 | $28.00 |
| Basa rekuisa (maawa maviri × $65/awa) | $130.00 | $130.00 |
| Kugadziriswa kwegore negore (kuongororwazve kwetorque, 0.5 awa × $65/awa) | $32.50 | $32.50 |
| Mikana yekukundikana muhupenyu hwebasa hwemakore mashanu | 0.5% | 3.2% |
| Mutengo pachiitiko chega chega chekukundikana (nguva yekuzorora + kutsiva) | $2,800 | $2,800 |
| Kukundikana kunotarisirwa kunodhura kupfuura makore mashanu | $14.00 | $89.60 |
| Huwandu hwemakore mashanu eTCO | $354.50 | $410.10 |
Bhangi repamusoro rinodhura $20 yakawanda pakutanga asi rinochengetedza $55.60 mumakore mashanu - purofiti ye2.8× pamari yakawedzerwa. Uye kuverenga uku hakusanganisiri mutengo wenguva yekushanda kwekugadzira ukuwo bhuroko rakakundikana richitsiviwa, iro kune kambani yekugadzira inogadzira $5,000/awa mumari, rinowedzera $10,000-20,000 pachiitiko chega chega chekukundikana.
Mibvunzo Inowanzo bvunzwa
Mubvunzo: Zvivharo zvemagetsi zvinorema zvinogona kushandiswa here pamagetsi emhangura neealuminium?
Ehe — asi chete nekugadzirwa kwacho. Madhairekita ealuminium anoda mabhuroko ekupedzisira ane nzvimbo dzekubatana dzemhangura dzakaputirwa netin kana sirivha uye nzira dzekubatanidza dzakatarwa kuti dzishandiswe neAl/Cu (bimetallic). IEC 60947-7-1, mabhuroko ekupedzisira akaongororwa evanotungamira aluminium anofanirwa kuedzwazve thermal cycling bvunzo (500 cycles pakati pe25°C ne110°C) nekuti CTE yakakwira yealuminium inokonzera kushushikana kukuru pa contact interface. Zvivharo zvedu zveAl/Cu-rated zvinoshandisa nzvimbo dzine serrated contact surfaces uye mawashers eBelleville spring kuti zvirambe zvichiratidza kumanikidzwa kwazvinoita pasinei nekuwedzera kwakasiyana kwekupisa kwearuminiyamu.
Mubvunzo: Ndedzipi nzira dzekugadzirisa dzinodiwa nemabharaki emagetsi anorema mubasa reMCC?
Kugadziriswazve kwe torque yegore negore kwekubatanidza screws dzese dzinosvikika ndicho chinhu chinonyanya kukosha. Tinokurudzirawo kuongorora thermographic (infrared camera scanning) panguva yekuvharwa kwegore negore kwekugadzirisa — kukwira kwetembiricha inodarika 15°C pamusoro pema terminal blocks ari pedyo kunoratidza kuti pane kubatana kwakasimba kunoda kutarisirwa nekukurumidza. Kune mabhuroko ari muzvikamu zveMCC zvinodedera zvakanyanya (izvo zvine vatambi vanotanga kufamba nebhasikoro kanopfuura kagumi paawa), kuongororwa kwehafu yegore kwakakosha.
Mubvunzo: Mangani mabhuroko ekupedzisira anorema anogona kuiswa padanho reDIN rimwe chete muMCC?
Zvinhu zvinogumira kupisa, kwete nzvimbo chaiyo. Njanji yeDIN yemita imwe chete muchikamu cheMCC chakamira inogona kukwana nzvimbo dze40-50 dzemabhuroko emagetsi anorema pa20mm pitch. Zvisinei, kana mabhuroko iwayo ese aine magetsi anosvika padanho repamusoro, simba rekupisa rinogona kudarika simba rekutonhodza rechikamu chacho. Gwaro redu reinjiniya: musapfuure nzvimbo dzinorema makumi matatu pamita imwe neimwe yeDIN rail kunze kwekunge chikamu cheMCC chine mhepo inofefetera — uye garai muchiparadzanisa mapoka emabhuroko ane simba guru ane nzvimbo mbiri dzisina chinhu kana mabhuroko esimba resimba shoma kuti mugadzire maburi ekupisa munzira yebhazi.
Mubvunzo: Ndinoda here ma terminal block akasiyana emamota anofambiswa neVFD kana kuti mamota anofambiswa neVFD muMCC imwe chete?
Ehe — uye ichi chinhu chisingawanzoonekwi. Mafambiro eVFD anoburitsa mafungu ane maharmoniki epamusoro-soro (mafrequency ekuchinja e2-16 kHz) anowedzera simba reganda muma conductor emhangura uye anogadzira kuwedzera kwekudziisa kweI²R mukubatanidza ma terminal block. Pakuyedza kwedu, 150A terminal block yakabatana neVFD output inoshanda pa8kHz switching frequency inofanira kuderedzwa kusvika pa130A (kudzikiswa kwe13%) kuti iwedzere harmonic heating. Kana uri kusanganisa VFD nemidziyo yekutanga muMCC imwe chete, tsanangura ma terminal blocks zvichienderana neVFD determination kuti zvive zvakafanana — kunyanya kutsanangura seti imwe yema blocks kwakachipa pane kuchengetedza zvinhu zviviri zvakasiyana.
Mubvunzo: Ndeipi nguva yekutungamira yekugadzirisa mabhuroko emagetsi anorema?
Kune zvigadzirwa zvedu zvinorema (80A-400A), zvigadzirwa zvekatalogu zvinotumirwa mukati memazuva mashanu kusvika manomwe ebhizinesi kubva kunzvimbo yedu yeNingbo. Magadzirirwo akagadzirwa nemaoko — nhamba dzematanda dzisiri dzemhando yepamusoro, kuyera kwakafanana kwemagetsi, kunyora mavara akasarudzika, kutara mavara akagadzirwa nemaoko — zvinoda mavhiki maviri kusvika matatu kusanganisira mvumo yeinjiniya uye kuongororwa kwekutanga. Tinochengetedza buffer stock yemhando dzese dzemaprofiles ebhari remhangura akajairwa uye maforoma edzimba, saka magadzirirwo akagadzirwa nemaoko anogumira panguva yekuunganidza nekuyedza, kwete kuwanikwa kwezvinhu zvisina kugadzirwa. sara@nbjguang.com nezvinodiwa zvako kuti zviitike kwenguva chaiyo.
Sei J-Guang ari Mutengesi Wako Wezvinhu Zvinorema paTerminal Block
Tave tichigadzira mabhuroko emagetsi kwemakore gumi nemashanu — kubvira muna 2010. Munguva iyoyo, takatumira nzvimbo dzema terminal block dzinopfuura mamiriyoni makumi mashanu kuvatengi vari munyika dzinopfuura makumi mana. Rudzi rwedu rwezvigadzirwa zvinorema rwakagadzirwa nekuda kwechiitiko chekutadza kushanda kwemuchina muna 2012 muMichigan - uye sarudzo yega yega yekugadzira zvigadzirwa zvedu pari zvino inodzokera kumashure kune mamiriro ekushanda kweMCC chaiwo, kwete chete kurongeka kwekuyedzwa kwerabhoritari.
Kugona kwedu kugadzira mabhuroko emagetsi kunosanganisira:
- Zviyero zvemazuva ano: 80A, 100A, 125A, 150A, 175A, 200A, 250A, 300A, uye 400A
- Mawaya emhando dzakasiyana: 6mm² kusvika 150mm² (AWG 10 kusvika 300 kcmil)
- Mhando dzekubatanidza: Stud/bhouroti (M5-M12), chibatiso chesimba chesikuruu, chibatiso chebhokisi/chigaro chechigaro
- Zvitupa: UL 1059 yakanyorwa, yakanyorwa CE, inoenderana neRoHS/REACH, ISO 9001:2008 QMS
- Kuongororwa kweSCCR: 10kA kusvika 65kA ine matafura emidziyo yekudzivirira akarongeka
- Zvinhu zvekugara: PA66 GF30, UL94 V-0, CTI >400V
- Zvigadzirwa zvemunhu oga: Kugadzira zvigadzirwa zveOEM, mavara akagadzirwa, magadzirirwo akasiyana-siyana, kunyorwa kwakakosha
Chivharo chega chega chemagetsi chinorema chatinotakura chinoedzwa ne100% — chinomira nemagetsi pa2× rated voltage + 1000V, kuyerwa kwekudzivirira kubata panzvimbo yega yega, uye kuongororwa kwemaziso pasi pe10× magnification. Uyu hausi mwero weindasitiri; ndiwo mwero wedu. Takaushandisa nekuti mutengo wekukundikana kwebasa — mumukurumbira, mukuvimba kwevatengi, uye mumari chaiyo — unopfuura mutengo wekuyedza.
📞 Tora Mutengo kana Kumbira Sampuro dzeUinjiniya
Tinopa sampuro dzemainjiniya dzemahara pamwe nemagwaro akazara ebvunzo mukati memaawa makumi mana nemasere. Bata timu yedu panhamba iyi: sara@nbjguang.com kana kufona +86 574 63085228.
Tarisa zvigadzirwa zvedu zvese pa NINGBO J-GUANG ELECTRONICS — mabhuroko ezviteshi zvinorema, mabhuroko ezviteshi zveDIN rail, maPCB connectors, uye mhinduro dzese dzekubatanidza.