Wopanga DIN Rail Busbar Terminal Block: 1000V Rating ndi 200A Capacity for Main Power Distribution

Kodi DIN Rail Busbar Terminal Block ndi Chiyani Kwenikweni?

Cholumikizira cha DIN rail busbar ndi cholumikizira chamagetsi chopangidwa kuti chigawire magetsi — osati mawaya a chizindikiro, osati ma circuit owongolera, koma kugwiritsa ntchito mphamvu zenizeniImayikidwa pa njanji ya DIN ya TS-35 (35mm mulifupi) ndipo imagwiritsa ntchito busbar yolumikizidwa ya mkuwa kuti igawire mphamvu yayikulu yolowera ku mabwalo ambiri otuluka. Chizindikiro chodziwika bwino chomwe chimasiyanitsa busbar terminal block ndi busbar yodziwika bwino yotumizira ndi njanji yolumikizirana: conductor imodzi yayikulu yomwe ikubwera imapatsa mphamvu busbar yamkuwa, ndipo malo aliwonse olumikizirana ndi busbar imeneyo amalowa mu mphamvu yomweyo.

Mu fakitale yathu, timapanga mabuloko awa m'makonzedwe kuyambira njira ziwiri mpaka njira 20 - zomwe zikutanthauza kuti chakudya chimodzi chachikulu chomwe chikubwera chingathe kupatsa mphamvu mabwalo a nthambi 20 payokha kuchokera ku sitima imodzi yaying'ono ya DIN. Izi ndizofunikira kwambiri pakumanga mapanelo enieni chifukwa Zimathetsa kufunikira kwa ma block osiyana a magetsi, zomwe zimachepetsa nthawi yolumikizira ma panel ndi pafupifupi 40-60% poyerekeza ndi njira zolumikizira ma jumper za terminal-to-terminal..

Kumvetsetsa Ma Ratings a 1000V ndi 200A: Kodi Manambala Amatanthauza Chiyani Kwenikweni?

Tikamalankhula za "1000V rating" ndi "200A capacity," tikutanthauza magawo awiri osiyana kwambiri amagetsi - ndipo kuwasokoneza ndi cholakwika chomwe ndawona mainjiniya akuchita kangapo m'zaka zanga 15 mumakampani awa.

Kuyeza kwa Voltage (1000V): Vuto la Kuteteza Kutentha

Chiyeso cha 1000V chimadalira kwambiri kulimba kwa insulation, osati mphamvu ya conductor. Pa IEC 60947-7-1, ma terminal blocks opangidwira ma circuits mpaka 1000V AC ayenera kukhala ndi mtunda wocheperako wa 8mm ndi mtunda wocheperako wa 5.5mm pakati pa mizati yoyandikana - ndipo mtunda uwu umayesedwa pa stack yolekerera kwambiri. Chifukwa chakuti zinthu zomangira (nthawi zambiri PA66 nayiloni yokhala ndi ulusi wagalasi wa 30%) ziyenera kupirira mphamvu yamagetsi yoyendetsedwa popanda kutsatira kapena kusweka, timagwiritsa ntchito UL94 V-0 polyamide yoletsa moto yokhala ndi chizindikiro chofananira chotsata (CTI) chopitilira 400V.

Mu mzere wathu wopanga, chipika chilichonse cha 1000V-rated chimayesedwa mphamvu ya dielectric ya 2200V AC kwa masekondi 60 — zomwe ndi kuwirikiza kawiri mphamvu ya voltage yovomerezeka, chifukwa Kuteteza kutentha kuyenera kupulumuka ma overvoltage osakhalitsa omwe malo enieni amafakitale amapanga tsiku ndi tsiku kuyambira poyambira magalimoto, kusinthana kwa contactor, ndi ntchito za banki ya capacitor.

Kuwerengera Kwatsopano (200A): Vuto la Kusamalira Kutentha

Chiyerekezo cha 200A sichikumveka bwino. Ndi mlingo wa kutentha, osati malire enieni pa kayendedwe ka ma elekitironi. Pa mphamvu yopitilira ya 200A, kutayika kwa I²R mu busbar yamkuwa ya 16mm² kumapanga kutentha kwa pafupifupi ma watts 12-15 pa mita imodzi - ndipo mkati mwa gulu lolamulira lotsekedwa pa 40°C, kutentha kumeneko kuyenera kupita kwinakwake. Ichi ndichifukwa chake. Mlingo wamakono wa chipika cha terminal nthawi zonse umayesedwa pa kutentha kwinakwake (nthawi zambiri 40°C pa IEC 60947-7-1) ndipo umatenga mpweya wozungulira chipikacho popanda kugwedezeka.

Sayansi ya Zinthu za Busbar: Chifukwa Chake Mkuwa Ndi Wofunika Kwambiri Kuposa Momwe Mumaganizira

Ndikufuna kunena momveka bwino apa: Zipangizo za busbar zomwe zili mkati mwa terminal block ndi chinthu chofunikira kwambiri chomwe chimatsimikizira magwiridwe antchito ake enieni — komanso ndi malo omwe opanga ochepetsa ndalama amasankha bwino.

Pali zinthu zitatu za busbar zomwe zimapezeka pamsika, ndipo zimagwira ntchito mosiyana kwambiri:

Timagwiritsa ntchito mkuwa wa C11000 electrolytic kokha pa mabuloko athu onse a busbar terminal a 200A. Chifukwa chiyani? Chifukwa Mabasi a brass omwe akuyenda pa 200A adzafika kutentha kwapamwamba kwa pamwamba pa 25-30°C kuposa mabasi ofanana a brass — ndipo kusiyana kwa kutentha kumeneku kumatanthauza mwachindunji kuchepa kwa mphamvu yokhudzana ndi screw terminals, kuwonjezeka kwa kuchuluka kwa okosijeni, ndi kufupikitsa nthawi ya moyo wa chinthu. Kusiyana kwa mtengo pakati pa mkuwa ndi mkuwa pa buloko ya busbar ya malo 10 ndi pafupifupi $0.80-1.20 mu zinthu zopangira — sindikufuna kusintha.

Ukadaulo wa Mawaya ndi Kulumikizana: Kufananiza Ma Conductor ndi Mphamvu

Ma waya olandirira pakati pa 200A busbar terminal block nthawi zambiri amakhala pakati pa 6mm² (AWG 10) mpaka 70mm² (AWG 2/0) mbali yayikulu yolowera, ndipo ma terminal a nthambi amalandira 1.5mm² mpaka 16mm² (AWG 16 mpaka 6). Kuchuluka kumeneku sikuti ndi mwangozi — kumasonyeza zenizeni zamagetsi pakugawa mphamvu: chakudya chachikulu chimanyamula 200A yonse (chifukwa chake ndi 70mm² yokwanira), pomwe mabwalo amtundu uliwonse amatha kukopa kuyambira 2A mpaka 63A (chifukwa chake ndi 1.5-16mm²).

Timapereka njira zitatu zolumikizirana, iliyonse ili ndi zabwino zake:

Kulumikiza kwa Screw Clamp (ntchito yathu): Sikuluu yachitsulo imakanikiza kondakitala motsutsana ndi busbar yamkuwa, ndikupanga weld yozizira yosalola mpweya kulowa pamalo olumikizirana. Uwu ukadali mgwirizano wodalirika kwambiri pakugwiritsa ntchito mphamvu yamagetsi yamphamvu chifukwa chokulungira chimagwiritsa ntchito mphamvu ya 2.0-3.5 Nm — yokwanira kusokoneza pang'ono kondakitala wamkuwa ndikupanga chomangira chachitsulo chomwe chimakana kumasuka chifukwa cha kugwedezeka. Vuto lake ndi chiyani? Kukhazikitsa kumatenga masekondi 15-20 pa waya uliwonse.

Kulumikizana kwa Spring (kofulumira kwambiri): Chomangira chachitsulo chosapanga dzimbiri chimagwirira kondakitala popanda zida. Kukhazikitsa kumatenga masekondi osapitirira atatu. Komabe — ndipo izi ndizofunikira — maulumikizidwe olumikizirana ali ndi malire a kukula kwa kondakitala wa 16mm² muukadaulo wamakono, zomwe zikutanthauza kuti sangathe kugwira kondakitala yonse yayikulu ya 70mm² pa block ya 200A. Pa chakudya chachikulu, mukufunikirabe cholumikizira cha screw clamp kapena stud.

Kulumikiza kwa Stud/Bolt (kolemera kwambiri kwathu): Chida cholumikizidwa ndi ulusi chokhala ndi hex nati chimalandira ma ring terminals opindika pa waya. Uwu ndi mtundu wokhawo wolumikizira womwe umagwira bwino ma conductors opitilira 35mm², ndipo ndi womwe timatchula pa ma terminals onse akuluakulu a 150A ndi 200A ngati muyezo.

Ziphaso ndi Kutsatira Miyezo: Zimene Woyang'anira Wanu Adzayang'ana

Ngati pali phunziro limodzi lomwe ndinaphunzira movutikira m'zaka zoyambirira za ntchito yathu yopanga zinthu, ndi ili: Zikalata zovomerezeka sizokongoletsera mwachisawawa — ndizo zolepheretsa kulowa m'mafakitale aliwonse ofunikira. Nayi zomwe muyenera kutsimikizira pa pepala lililonse la DIN rail busbar terminal block specification sheet:

IEC 60947-7-1 — Iyi ndiye muyezo wapadziko lonse lapansi wa ma terminal block omwe amagwiritsidwa ntchito mu ma switchgear otsika mphamvu ndi ma controlgear assemblies. Imafotokoza mphamvu yamagetsi yovoteledwa (≤1000V AC), mphamvu yamagetsi yovoteledwa, mphamvu ya cross-section, ndi — makamaka — Njira zoyesera za SCCR (short-circuit current rating). Pa kusintha kwaposachedwa kwa IEC 60947-7-1, ma terminal blocks ayenera tsopano kulengeza mtengo wawo wa SCCR momveka bwino, womwe uyenera kugwirizanitsidwa ndi zida zoteteza zam'mwamba.

UL 1059 — Chofanana ndi cha ku North America, chomwe chimaphimba ma terminal blocks omwe ali ndi mphamvu yofika pa 1500V. Kuyesa kwa UL 1059 ndi kokhwima kwambiri kuposa IEC m'malo angapo ofunikira: kumafuna kuyesa kwa dielectric kupirira pa 2 × rated voltage + 1000V (motsutsana ndi 2 × rated voltage ya IEC), ndipo kumafuna mayeso a thermal cycling pa rated current kwa ma cycle 50 (motsutsana ndi mayeso a IEC a static temperature-rise). Pa UL 1059 Mkonzi. 6-2024, kusinthidwa kwaposachedwa kukuwonjezera zofunikira zowonjezera za ma block a terminal a conductor oteteza.

Chitsimikizo chathu cha satifiketi ngati wopanga malo osungira mabasi a din rail busbar zikuphatikizapo: Kulemba chizindikiro cha CE (kutsata malamulo a EU), mndandanda wa UL (fayilo ikupezeka ngati mupempha), kasamalidwe ka khalidwe la ISO 9001:2008, kuyesa kwa chipani chachitatu cha SGS, kutsatira malamulo a RoHS, ndi kulengeza kwa REACH. Kutumiza kulikonse kumaphatikizapo satifiketi yosonyeza kuti zinthu zikugwirizana ndi manambala a batch omwe angathe kutsatiridwa.

N’chifukwa Chiyani Muyenera Kusankha Wopanga Magalimoto a Chinese DIN Rail Busbar Terminal Block?

Ndiyankha funsoli mwachindunji chifukwa magulu ogula zinthu amatifunsa izi sabata iliyonse. Makampani opanga zida zamagetsi asintha kwambiri m'zaka khumi zapitazi. Mphamvu zopangira zinthu ku China zatseka kusiyana kwa khalidwe ndi opanga aku Europe ndi America - pomwe akupitilizabe kukhala ndi phindu la 30-50% lomwe limachokera ku kupanga kophatikizana, osati kuchokera ku zinthu zodula kapena kuyesa.

Umu ndi momwe kuphatikiza koyima kumatanthauza m'malo athu: Timathira zinyalala zathu zojambulira m'nyumba. Timasindikiza mabasi athu a mkuwa kuchokera ku mzere wovomerezeka wa C11000 wochokera ku Jiangxi Copper (m'modzi mwa opanga mkuwa akuluakulu padziko lonse lapansi). Timagwiritsa ntchito mizere yathu yolumikizira yokha. Ndipo timasunga labotale yathu yoyesera mkati yomwe ili ndi zoyesera zamagetsi, ma micro-ohmmeter, makamera ojambulira kutentha, ndi chipinda choyesera cha maola 500 chofulumira.

Kuphatikiza koyima kumeneku kumachotsa magawo atatu a chizindikiro - chogawa zinthu zopangira, chogulitsa chaching'ono, ndi chosonkhanitsa mgwirizano - zomwe nthawi zambiri zimakhala mumitengo ya ma terminal blocks a Western (omwe, ndiyenera kudziwa, akupangidwa kwambiri ku China, kungoti ndi chizindikiro china).

Kwa OEMs ndi omanga mapanelo omwe akufuna kupeza zinthu kuchokera ku fakitale yathu mwachindunji, zachuma zimatanthauzira kuti:

• Kuchepetsa mtengo wa unit ndi 35-50% poyerekeza ndi Weidmüller kapena Phoenix Contact busbar terminal blocks zofanana ndi zomwezo.
• Nthawi yotsogolera ya masabata 2-4 kwa zinthu zokhazikika za katalogu poyerekeza ndi masabata 8-12 omwe ndi ofanana ndi opanga aku Europe (kusiyana komwe kwapulumutsa makasitomala athu ambiri ku chilango chochedwa ndi polojekiti).
• Zosankha za mtundu wa OEM ndi mitundu/nyumba zomwe mungasankhe popanda ndalama zowonjezera zogwiritsira ntchito pa kuchuluka kwa zinthu zopitirira 5,000 — chifukwa tili ndi shopu yathu yopangira nkhungu.

Momwe Mungasankhire DIN Rail Busbar Terminal Block Yoyenera: Njira Ya Masitepe Asanu

Pambuyo pa zaka 15 ndikuyankha mafunso aukadaulo, ndasankha njira yosankha m'zisankho zisanu zotsatizana. Dumphani sitepe iliyonse, ndipo mudzawononga ndalama zambiri pa zipangizo zomwe mwasankha kapena — choipa kwambiri — kuyika terminal block yomwe imakhala ngozi ya moto.

Gawo 1: Dziwani Mphamvu Yanu Yopitirira

Musagwiritse ntchito chiwerengero cha circuit breaker ngati maziko anu apano. Yesani kapena werengerani mphamvu yeniyeni yonyamula katundu mosalekeza pazochitika zoyipa kwambiri. Lamulo la NEC 80% loletsa mosalekeza: ngati katundu wanu akukoka 160A mosalekeza, muyenera block ya terminal yovomerezeka ya 200A osachepera. Popeza ma terminal blocks alibe kuziziritsa kogwira ntchito, njira yokhayo yochotsera kutentha kwa I²R ndi kudzera pamwamba ndi convection - ndipo kuchepetsa kukula kwa block kumatanthauza kuwonongeka kosatha kwa kutentha kwa nyumba ya polyamide.

Gawo 2: Tsimikizani Kalasi ya Voltage

Pa makina a magawo atatu a 480V (omwe amapezeka ku North America), block ya 600V ndiyokwanira. Pa makina a 690V (omwe amapezeka m'mafakitale aku Europe) kapena ma solar installation a 1000V, mufunika 1000V yonse. Nthawi zonse tsimikizirani mphamvu yamagetsi yolimbana ndi kugwedezeka (Uimp) kuwonjezera pa mphamvu yamagetsi yotetezedwa (Ui) — mphamvu yamagetsi yolimbana ndi kugwedezeka ndiyo imateteza ku kusintha kwa mphamvu komwe kumachitika chifukwa cha mphezi komanso kugwedezeka kwa mphamvu.

Gawo 3: Werengani Madera Anu a Nthambi

Werengani dera lililonse lotuluka lomwe likufunika kugwiritsa ntchito mphamvu yayikulu ya busbar. Onjezani mphamvu yotsala ya 20% kuti muwonjezere mtsogolo — chifukwa kuwonjezera malo pambuyo pake kumafuna kulumikiza ndi kulumikizanso waya wa chipika chonsecho, zomwe zimakhala zodula kwambiri kuposa kukhazikitsa chipika chachikulu pang'ono poyamba.

Gawo 4: Fananizani Makulidwe a Waya

Onetsetsani kuti waya wolandirira wa terminal block umakhudza kondakitala wanu wamkulu wa chakudya NDI kondakitala wanu wamng'ono kwambiri wa nthambi. Cholakwika chofala kwambiri chomwe ndimachiwona posankha ndichakuti pali chipika cha 200A chomwe chikuyembekezeka kugwera waya wa nthambi wa 1.5mm² — ma block ambiri amphamvu kwambiri sangagwire bwino ma conductors pansi pa 4mm². Pankhaniyi, gwiritsani ntchito pini yochepetsera kapena ferrule, koma ganizirani nthawi yowonjezera yopangira.

Gawo 5: Tsimikizirani Kugwirizana kwa SCCR

Pemphani satifiketi yoyesera ya SCCR kuchokera kwa wopanga wanu. Mtengo wa SCCR uyenera kukhala wokwera kuposa mphamvu yamagetsi yomwe ilipo pamalo oyika. Pa ntchito zazikulu zogawa mphamvu, SCCR ya osachepera 25kA pa voteji yovomerezeka ndiye yocheperako - chilichonse chotsika, ndipo block yanu ya terminal imakhala fuse mu dongosolo lanu, koma osati mwanjira yolamulidwa.

Njira Zabwino Zokhazikitsira: Zimene Datasheet Sizikukuuzani

Ma datasheet amakuuzani kuchuluka kwa mphamvu yamagetsi ndi kutalika kwa waya. Sakukuuzani zomwe zimachitika m'munda. Nazi zomwe taphunzira kuchokera ku zikwizikwi za maubwenzi othandizira makasitomala:

Mphamvu ya torque ndi yofunika kwambiri kuposa momwe mukuganizira — ndipo mphamvu ya torque yocheperako ndi yofala ka 10 kuposa mphamvu ya torque yopitirira muyeso. Cholumikizira chomangiriridwa ndi screw chomwe chimamangiriridwa ku 50% ya torque yovomerezeka chidzawonetsa kukana kwa kukhudzana ndi 3-5 kuposa zomwe zafotokozedwa - ndipo pa 200A, kukana kowonjezerako kumapanga kutentha kokwanira kuti kufewetse nyumba ya PA66 mkati mwa maola ochepa kuchokera pamene ikugwira ntchito mosalekeza. Timatumiza screwdriver yokhazikika yokhala ndi torque yotumizidwa koyamba chifukwa tikudziwa kuti masitolo ambiri amagwiritsa ntchito screwdrivers zoyendetsedwa ndi manja zosakhazikika.

Kugwiritsa ntchito ferrule sikofunikira kuposa 16mm². Ma conductor a mkuwa opindika opanda ma ferrules amatambasuka pansi pa kupsinjika — zingwe zina zimalumikizana, zina sizilumikizana. Malo olumikizirana ogwira ntchito amachepetsedwa ndi 20-30% poyerekeza ndi ferrule yopindika bwino, ndipo izi zikutanthauza kukana kwakukulu, kutentha kwakukulu, komanso — pazovuta kwambiri — kusweka kwa zingwe chifukwa cha kutentha. Tili ndi ma ferrule amkuwa ogwirizana ndi DIN 46228 mu chipangizo chilichonse chopakira zinthu cha terminal block chomwe chili pamwamba pa 25mm².

Malo oimikapo mabasi amafunika mpweya wokwanira. Mosiyana ndi ma terminal blocks omwe amanyamula magetsi kudzera mu njira imodzi yoyendetsera magetsi, ma busbar blocks amadzaza 200A kudzera mu njanji imodzi yamkuwa yomwe imadutsa kutalika konse kwa block. Mu panel yodzaza kwambiri, ma busbar awa ayenera kuyikidwa ndi mpweya wochepera 10mm mbali zonse — chifukwa kutentha komwe kumapangidwa ndi 200A mu busbar ya 16mm² kuli pafupifupi 0.75W pa malo aliwonse omalizira, ndipo block ya malo 20 imapanga 15W mosalekeza.

Mafunso Ofunsidwa Kawirikawiri

Chifukwa Chake J-Guang Pa Zofunikira Zanu za DIN Rail Busbar Terminal Block

Takhala tikupanga ma terminal blocks ndi ma connector kuyambira mu 2010 ku fakitale yathu ku Ningbo, China — zaka 15 tikuyang'ana kwambiri pa gulu la zinthuzi. Sife kampani yogulitsa zinthu kuchokera ku mafakitale osankhidwa mwachisawawa; ndife fakitale.

Mzere wathu wa DIN rail busbar terminal block umaphimba:

• Mavoti apano: 80A, 100A, 125A, 150A, 175A, ndi 200A
• Mavoti a voteji: 600V ndi 1000V AC (UL yolembedwa ku 600V; IEC yovotera ku 1000V)
• Ma waya osiyanasiyana: 1.5mm² mpaka 70mm² (AWG 16 mpaka 2/0)
• Makonzedwe a pole: Njira ziwiri mpaka 20, ndi makonzedwe apadera omwe alipo
• Mitundu yolumikizira: Chotsekera cha screw, kasupe wokankhira mkati (≤16mm²), ndi stud/bolt (≥35mm²)
• Zipangizo za nyumba: PA66 GF30, UL94 V-0, kutentha kwa ntchito -40°C mpaka +130°C

Chigawo chilichonse chimayesedwa ndi magetsi 100% chisanatumizidwe — sichinayesedwe ndi gulu, sichinasankhidwe ndi ziwerengero. Iyi ndi mfundo yomwe tidakhazikitsa mu 2015 pambuyo poti tabwerera kumunda umodzi womwe unayambira ku kulumikizana kwa busbar-to-terminal komwe mayeso a batch sanagwire. Mtengo wake ndi pafupifupi $0.03 pa unit iliyonse mu tester amortization ndi ntchito; mtengo wake ndi zero field failures chifukwa cha zolakwika pakupanga m'zaka zisanu ndi ziwiri zapitazi.