TL;DR

• Chotchinga cha PCB cha 5.0mm pitch chimalumikiza kusiyana pakati pa ma circuitry a compact control ndi ma high-current industrial distribution, zomwe zimathandiza ma conductor a 14AWG mpaka 10AWG popanda zida zapadera.
• Chiyeso cha 150A chimadalira mphamvu ya aloyi ya mkuwa ndi mphamvu yoyenera ya screw, osati kukula kwake kokha, ndipo zolakwika zoyika m'munda zimakhalabe chifukwa chachikulu kwambiri cholephera msanga.
• Kutsekereza kwa screw kumaposa ma terminal a spring omwe amakankhira mkati mwa injini chifukwa kugwedezeka kumayambitsa kutopa kwa spring, pomwe ma screw olumikizira amakhalabe ndi kukana kukhudzana ndi 5g cyclic loading akamakokedwa bwino.
• Chitsimikizo chachiwiri cha UL 1059 ndi IEC 60947-7-1 n'chofunikira kuti chigawidwe padziko lonse lapansi chikhale chofala, koma ma terminal block a CE okha amakanidwa mu machitidwe a North America 480V komwe ma code am'deralo amafunikira zizindikiro zodziwika bwino.
• Kuyesa kwachangu kwa moyo motsatira ndondomeko za IEC 60068-2-6 vibration ndi thermal cycling kukuwonetsa kuti kumasula kwa screws, osati kuwonongeka kwa zinthu, ndiye njira yofala kwambiri m'zipinda za compressor ndi mapanelo owongolera magalimoto akunja.

Mukatsegula gulu lowongolera mota m'malo aliwonse amafakitale, gawo logawa magetsi nthawi zambiri limawoneka ngati khoma la mabuloko obiriwira ndi imvi omwe ali pa njanji ya DIN. Mainjiniya amatchula mabuloko awa a terminal potengera kuchuluka kwa mawaya ndi ma pitch popanda kuganizira kwambiri. Imeneyo ndi cholakwika. Gulu la 5.0mm pitch lili ndi malo enaake mu mabuloko a screw terminal a PCB omwe ali pakati pa mtunda wopapatiza wa 3.5mm wa mawaya a chizindikiro ndi mtunda wa 7.5mm kapena 10mm wa kugawa kwamphamvu kwamagetsi. Ndi malo abwino kwambiri ogawa magetsi chifukwa amakwaniritsa ma gauge a waya omwe ali ndi mphamvu yamagetsi yofunikira pomwe akusunga mawonekedwe a PCB omwe opanga ma control amakonda. Mphamvu yamagetsi ya 150A yomwe opanga monga Ningbo J-Guang Electronics amanena si yokhazikika. Imasonyeza kusankha kwazinthu, mawonekedwe a screw, ndi malingaliro oyendetsera kutentha omwe amawonongeka ngati malo oyika asiyana ndi momwe mayeso amachitikira. Ndakhala zaka zambiri ndikuwona magulu ogula akusankha mabuloko a terminal kutengera mtengo pa pole iliyonse pomwe ndikunyalanyaza momwe minda imagwirira ntchito zomwe zimatsimikiza ngati ma pole amenewo amapulumuka zaka zisanu kapena zisanu. Kusiyana pakati pa ma rating a catalog ndi magwiridwe antchito enieni ndi komwe kumayambira kulephera kwakukulu kwa kugawa.

Chifukwa Chake 5.0mm Pitch Ndi Malo Osangalatsa Ogawa Mafakitale

Ma pitch a 5.0mm adawonekera ngati mgwirizano. Ma pitch ang'onoang'ono sangathe kuthana ndi waya kapena kuchuluka kwa magetsi komwe kumafunika kuti magetsi agawidwe. Ma pitch akuluakulu amawononga malo ogulitsa a PCB ndikuwonjezera kuchuluka kwa malo owongolera. Kwa opanga omwe akuyang'ana kwambiri kuwongolera magalimoto amakampani, automation yomanga, ndi ma inverter amagetsi obwezerezedwanso, mtunda wa 5.0mm ukuyimira mgwirizano pakati pa zofunikira pa mtunda wamagetsi ndi kuchuluka kwa makina. Mtunda wozungulira ndi wotseguka pa pitch iyi ndi wokwanira pamakina a 1000V omwe ali pansi pa IEC 60947-7-1 pamene zinthu zoyambira zapatsidwa mlingo woyenera, ndichifukwa chake muyezo uwu umayang'ana makamaka ma terminal blocks a zida zamafakitale zomwe zili ndi ma voltage ofikira 1000V.

Kugwirizana kwa Waya Gauge: 14AWG mpaka 10AWG Popanda Kusintha kwa Chida

Ubwino umodzi wothandiza wa 5.0mm pitch ndi waya womwe umatha kugwiritsidwa ntchito popanda kukakamiza wokhazikitsa kusintha ma crimping dies kapena kutalika kwa strip. Terminal block series imodzi imatha kugwira ma conductor a 14AWG a ma control signals ndi ma conductor a 10AWG a ma power feeders. Izi ndizofunikira kwambiri pa shopu. Ngati katswiri wamagetsi akufunika kuthetsa gulu losakanikirana ndi ma signal ndi ma power wiring, kugwiritsa ntchito terminal block imodzi kumachepetsa kugwiritsa ntchito zida ndi kuphunzitsa. Njira yolumikizira ma screw mu chizolowezi Chophimba cha PCB chozungulira cha 5.0mm imagwiritsa ntchito kapangidwe ka khola lokwera lomwe limakweza kondakitala motsutsana ndi bala lamagetsi pamene screw ikulimba. Kapangidwe kameneka kamalandira waya wolimba, waya wosweka, ndi ma ferruled conductors opanda ma adapter inserts, ndichifukwa chake 5.0mm pitch imalamulira mapulojekiti okonzanso kumene mitundu ya waya yomwe ilipo siidziwika.

Zofunikira pa IEC 60947-7-1 Zokhudza Kuphulika kwa Madzi ndi Kuchotsa Mafunde pa 1000V

Kuphulika ndi kutseguka sizinthu zosamveka bwino. Pa 1000V, kuphulika pakati pa mitengo yoyandikana nayo kungawononge msonkhano wonse wa PCB. Kuphulika kwa 5.0mm kumapereka mpata wa mpweya wa pafupifupi 5mm pakati pa zigawo zoyendetsera mpweya, zomwe zimakwaniritsa zofunikira za kuphulika kwa gulu lachitatu pa 1000V m'malo oyera. Mtunda wokwawa pamwamba pa pulasitiki ndi wautali chifukwa mawonekedwe a terminal block amaphatikizapo zotchinga kapena mizere yomwe imakakamiza njira yotulutsira madzi kupita ku zigzag. Ichi ndichifukwa chake opanga amatchula digiri ya 2 kapena 3 ya kuipitsidwa kutengera kapangidwe ka nyumba. Ndawona mapanelo akuyikidwa m'malo olima komwe kusonkhanitsa fumbi kunachepetsa mtunda wokwawa bwino kwa zaka ziwiri, zomwe zimapangitsa kuti kutsata kulephereke komwe kapangidwe koyambirira sikanali kuyembekezera. Muyezowu umatanthauza malo olamulidwa. Zoona sizigwirizana kawirikawiri.

Mphamvu ya 150A Yamakono: Sayansi Yazinthu Zomwe Zili M'mbuyo mwa Kuwerengera

Chiyerekezo cha 150A si lingaliro. Ndi malire a kutentha omwe amawerengedwa pansi pa mikhalidwe inayake: kutentha kwa mlengalenga kwa 40°C, kuyika kwa single layer, komanso palibe magwero a kutentha oyandikana nawo. Sinthani chilichonse mwa zosinthazo ndipo mphamvu yeniyeni imatsika. Mzere wamakono mkati mwa block ya terminal nthawi zambiri umakhala wa mkuwa kapena aloyi wa mkuwa, ndipo kusiyana kwa conductivity ndikofunikira. Aloyi wa mkuwa wokhala ndi 60% ya conductivity ya mkuwa weniweni amakhala ndi pafupifupi 75% ya conductivity ya mkuwa weniweni. Pa 150A, kusowa kwa 25% kumeneku kumatanthauza kutentha kwina kwa joule mkati mwa block ya terminal komwe kutentha sikungathe kutha mosavuta. Skurufu yokha nthawi zambiri imakhala chitsulo chokhala ndi zinc plating, chomwe ndi bottleneck ya kutentha chifukwa chitsulo chimachita kutentha molakwika poyerekeza ndi mkuwa. Kukwera kwa kutentha pamalo olumikizirana pakati pa waya ndi bar yapano ndi komwe kulephera kumayambira. Miyezo ya IEEE Pazida zogawa mphamvu, perekani malangizo owonjezera pa kayendetsedwe ka kutentha ndi kuwerengera kuchuluka kwa magetsi komwe kumakwaniritsa zofunikira za IEC.

Mkuwa vs Copper Body Conductivity ndi Mechanical Deformation

Mkuwa umalamulira makampani opanga ma terminal block chifukwa umapangidwa bwino, umalimbana ndi dzimbiri, ndipo ndi wotsika mtengo kuposa mkuwa. Kusinthana ndi kuyendetsa bwino. Pa 150A continuous load, mkuwa wa current bar wokhala ndi gawo lozungulira la 2.5mm udzakhala wotentha kwambiri kuposa mkuwa wofanana. Kusiyanako sikuli koopsa, koma umasonkhana. Mu panel yokhala ndi ma terminal block makumi asanu okhala ndi ma near-rated current, cumulative heat load ingakweze kutentha kwamkati ndi 15°C kapena kuposerapo, zomwe zimapangitsa kuti block iliyonse iwonongeke nthawi imodzi. Mipira ya Copper current bar imapezeka mu premium series, koma imadula kwambiri ndipo imafuna nickel plating kuti ipewe okosijeni. Kusintha kwa screw torque ndi chinthu china. Mkuwa umapanga torque yotsika kuposa mkuwa, zomwe zikutanthauza kuti kumangika kwambiri kumasokoneza ulusi ndikupanga cholumikizira chosasunthika miyezi isanu ndi umodzi pambuyo pake. Ndagwetsa ma terminal blocks omwe adalephera pomwe ulusi wa brass unaphwanyidwa moonekera. Wokhazikitsa adagwiritsa ntchito torque yomweyo yomwe amagwiritsa ntchito pa ma steel-body blocks. Zipangizozo sizimakhululukira lingaliro limenelo.

Mafotokozedwe a Torque ya Screw ndi Zolakwika Zoyikira M'munda

Njira yofala kwambiri yolephera mu ma screw terminal blocks ndi under-torque kapena over-torque. Under-torque imasiya mpata pakati pa kondakitala ndi bala lamagetsi. Kukana kwa kukhudzana kumakwera, kutentha komwe kumachitika m'deralo kumathandizira kusungunuka kwa okosijeni, ndipo cholumikiziracho chimalephera chifukwa cha kutentha. Over-torque imachotsa ulusi, kusokoneza kondakitala, kapena kuswa nyumbayo. Ma torque omwe amasindikizidwa pa datasheet nthawi zambiri amakhala 0.5 mpaka 0.8 Nm pa ma 5.0mm pitch blocks. Akatswiri ambiri amagetsi alibe screwdriver ya torque yolinganizidwa mu Newton-meters. Amamangirira mpaka itamveka yolimba. Kuweruza kwaumwini ndikolakwika pafupifupi gawo limodzi mwa magawo atatu a nthawi, kutengera kafukufuku wanga wosakhazikika wa ogwira ntchito yokonza. Kuchuluka kwa zolakwika pakuyika kwamunda ndiye chinsinsi chodetsa cha makampani a terminal block. Opanga amaganiza kuti kukhazikitsa kwabwino. Omanga ma panel amadziwa bwino.

Chotupa Chokulungira vs Kasupe Wokankhira: Kugulitsana kwa Kugwedezeka

Ma terminal a masika oponderezedwa ndi ofulumira kuyika. Ndiwo mtengo wawo wonse. Mumachotsa waya ndikuyikankhira mkati. Palibe screwdriver, palibe nkhawa ndi torque, palibe kuchotsera ulusi. Kusinthana ndi mphamvu yamagetsi ndi kukana kugwedezeka. Ma connector a masika amadalira mphamvu yamakina yokhazikika yomwe imagwiritsidwa ntchito ndi clip yachitsulo cha masika. Mphamvu imeneyo ndi yokwanira kuyika malo okhazikika m'malo olamulidwa ndi nyengo. Mu ma panel owongolera magalimoto amakampani, kugwedezeka ndi mdani. Ma compressor, mapampu, ndi ma conveyor amapanga kugwedezeka kosalekeza komwe kumalemetsa chitsulo cha masika pakapita nthawi. Mphamvu yamagetsi imachepa. Kukana kwamagetsi kumakwera. Pamapeto pake cholumikizira chimalephera. Kutseka kwa screw kumasunga mphamvu yamagetsi kudzera mu kupsinjika kwa makina kwa kondakitala motsutsana ndi bar yamagetsi. Cholumikizira cha screw cholumikizidwa bwino sichimamasuka pansi pa kugwedezeka kwa 5g chifukwa kukangana mu ulusi kumaposa mphamvu ya kugwedezeka. Izi sizongopeka. Ichi ndichifukwa chake zipinda za compressor zimagwiritsabe ntchito ma terminal a screw pafupifupi kokha.

Kusunga Nthawi Yowonjezera ndi Kupereka Mphamvu Pakalipano

Cholumikizira cholumikizira chimasunga pafupifupi masekondi 8 pa waya uliwonse poyerekeza ndi cholumikizira cholumikizira cholumikizira. Mu gulu lomwe lili ndi ma terminal 200, ndiye kuti mphindi 27 za ntchito. Kwa omanga ma panel amphamvu kwambiri, ndalama zogwirira ntchito zimakhala zochepa. Koma mphamvu yamagetsi ndi yochepa. Ma contact a masika ali ndi malo ochepa olumikizirana poyerekeza ndi kukanikiza kwa screw clamp pamwamba. Pa 150A, dera lolumikizira masika liyenera kukhala lalikulu kwambiri kuti likhale ndi mphamvu yotetezeka yamagetsi. Ma terminal ambiri olumikizira amapitilira pa 32A kapena 41A pachifukwa ichi. Kuyimba kwa 5.0mm kokhala ndi 150A sikupezeka kwenikweni mu mawonekedwe olumikizira. Fizikiki simalola. Spring iyenera kukhala yayikulu kwambiri kotero kuti nyumbayo sidzagwirizananso ndi mtunda wa 5.0mm. Ichi ndichifukwa chake kugawa kwa mphamvu pamlingo wamagetsi uku kumakhalabe gawo la screw clamp.

Kugwiritsa Ntchito Kunyamula Magalimoto: Chifukwa Chake Kutsekereza Ma Screw Kumapulumuka Kugwedezeka kwa 5g

Mapanelo owongolera magalimoto amakumana ndi kugwedezeka koyipa kwambiri m'mafakitale opangira magetsi. Mota yamphamvu ya 50 horsepower yomwe imagwira ntchito pa 1800 RPM imapanga kugwedezeka kwakukulu pa 30 Hz, kuphatikiza ma harmonics ochokera ku kuwonongeka kwa mabearing ndi kusalinganika kwa lamba. AYI Miyezo ya malo owongolera magalimoto imazindikira izi mwa kutchula zofunikira zopirira kugwedezeka zomwe zimasanduka njira zosankhira block ya terminal. Block ya terminal ya screw yokhala ndi pitch ya 5.0mm komanso yothandiza bwino pakuchepetsa kupsinjika kwa waya imatha kupulumuka kugwedezeka kwa sinusoidal kwa 5g pansi pa IEC 60068-2-6 Kuyesa chifukwa mphamvu yolumikizira ndi yosasunthika ndipo siidalira mphamvu ya kutopa kotanuka. Mosiyana ndi zimenezi, ma terminal a masika amakumana ndi kupsinjika kwa kayendedwe ka masika pa chinthu cha masika. Kugwedezeka kulikonse kumadzaza ndi kutulutsa masika mozama kwambiri. Ma cycle opitilira miliyoni, omwe mota imakwaniritsa pakatha milungu ingapo ikugwira ntchito, ma spell anneals kapena ming'alu. Kulephera sikuchitika nthawi yomweyo. Ndi kuwonongeka pang'onopang'ono komwe kumawonekera ngati kugwedezeka kosalekeza, kenako kutentha, kenako kutopa. Scroll terminal ilibe masika mpaka kutopa. Umenewo ndiye ubwino wake waukulu pa ma load a masika.

Zofunikira pa Satifiketi Yogulitsa Mphamvu Padziko Lonse

Kutumiza zida zamagetsi kumafuna kuyenda m'njira zosiyanasiyana zomwe zimasiyana malinga ndi dera komanso momwe zimagwiritsidwira ntchito. Chipika chamagetsi ndi gawo, osati chinthu chomaliza, koma chiyenera kukhala ndi zizindikiro zoyenera apo ayi choyika chonsecho sichingayang'aniridwe. Pakugawa padziko lonse lapansi, ma framework awiri akuluakulu a certification ndi UL 1059 ya North America ndi IEC 60947-7-1 padziko lonse lapansi. Sizosinthika. Chipika chamagetsi chovomerezeka ndi miyezo ya IEC sichikwaniritsa zofunikira za UL zokha, ndipo mosemphanitsa. Ma protocol oyesera amasiyana pakukonzekera waya, nthawi yoyendera njinga, komanso zofunikira zokana moto. Chitsimikizo chamagetsi ndi chotheka koma chokwera mtengo. Wopanga amalipira mapulogalamu awiri oyesera, ma audit awiri a fakitale, ndi ndalama zowunikira zomwe zimapitilira mabungwe onse awiri. Kwa kampani ngati Ningbo J-Guang Electronics, chisankho chotsatira chitsimikizo chamagetsi chimadalira kusakaniza kwa kutumiza kunja. Ngati msika womwe mukufuna ndi wa ku Europe ndi Southeast Asia, chitsimikizo cha IEC chokha chingakhale chokwanira. Ngati kugawa kwa North America kukukonzekera, kuzindikira kwa UL ndikofunikira.

UL 1059 vs IEC 60947-7-1: Mtengo wa Zitsimikizo Zawiri ndi Nthawi Yake

The UL 1059 muyezo wa ma terminal block umafuna kuyesedwa kwa kutentha kowonjezereka nthawi 1.2 kuposa mphamvu yoyesedwa kwa nthawi inayake, kuphatikiza mayeso opirira a dielectric pa 2200V kwa mphindi imodzi. Kukonzekera kwa waya kumagwiritsa ntchito mitundu yeniyeni ya conductor yomwe singagwirizane ndi waya wopindika wosinthasintha womwe umapezeka m'mafakitale aku Europe. IEC 60947-7-1 imagwiritsa ntchito njira yoyesera yofanana koma mitundu yosiyanasiyana ya mawaya ndi magawo a nthawi. Njira yotsimikizira kawiri nthawi zambiri imatenga masabata 12 mpaka 16 ngati mabungwe onse awiri ayesa banja limodzi lazinthu nthawi imodzi. Mtengo wake ndi pafupifupi $15,000 mpaka $25,000 pa mndandanda wazinthu pa chitsimikizo choyamba, kuphatikiza ndalama zowunikira pachaka za $3,000 mpaka $5,000 pa chizindikiro chilichonse. Kwa wopanga ma terminal block wokhala ndi portfolio yayikulu, kapangidwe ka mtengo kameneka kamakakamiza zisankho zanzeru za mndandanda womwe uyenera kutsimikiziridwa. Kuyimba kwa 5.0mm ndi 150A rating ndi mndandanda wofunikira kwambiri wa ma double certification chifukwa umalimbana ndi kugawa kwamagetsi m'mafakitale, komwe kufunikira kwapadziko lonse lapansi kumakhala kwakukulu komanso zopinga zowongolera ndizokwera kwambiri.

Ma terminal Blocks a CE-Only ndi 480V North America Risk Rejection

Chizindikiro cha CE chokha sichimalola kuti msika ufike ku North America. Komabe ndikuonabe omanga mapanelo aku Europe akuyesera kutumiza ma block a ma terminal a CE okha ku United States ndi Canada, poganiza kuti chizindikiro cha CE chimalandira kuvomerezedwa kofanana. Sizili choncho. Ku North America, makina amafakitale a 480V ndi okhazikika. Ma code amagetsi am'deralo amafuna kuti zigawo zilembedwe kapena kuzindikirike ndi Nationally Recognised Testing Laboratory (NRTL), makamaka UL kapena CSA. Block ya ma terminal ya CE yokha idzakanidwa ndi Authority Having Jurisdiction (AHJ) panthawi yowunikira. Womanga mapanelo ayenera kusintha ma block a ma terminal kapena kufunsa kuwunika kwa munda, komwe kumawononga ndalama zambiri kuposa chitsimikizo choyambirira ndipo kumayambitsa kuchedwa kwa ntchito. Ndawona cholakwika ichi chikuwononga wopanga waku Europe mgwirizano wa $2 miliyoni chifukwa ma block a ma terminal adafika pamalopo ndipo woyang'anira adakana kuwalandira. Chizindikiro cha CE si pasipoti yapadziko lonse lapansi. Ndi chiganizo chogwirizana ndi chigawo chokhala ndi gawo linalake. Ogula ma terminal block omwe amagwira ntchito padziko lonse lapansi ayenera kutsimikizira mbiri ya chizindikirocho asanayike oda.

Kugwedezeka ndi Kuzungulira kwa Kutentha: Kuyesa kwa Moyo Wofulumira

Kuyesa kwa labotale sikubwereza zenizeni, koma kumatha kulosera njira zolephera ngati njira zoyesera zasankhidwa mwanzeru. Pa ma terminal blocks pakugawa mphamvu zamafakitale, mayeso awiri ofunikira kwambiri ndi kugwedezeka ndi kutentha. Kuyesa kugwedezeka kumatsatira IEC 60068-2-6, yomwe imafotokoza kugwedezeka kwa sinusoidal kuyambira 5 Hz mpaka 150 Hz pamlingo wodziwikiratu wofulumira. Mayeso a kutentha amasinthasintha pakati pa kutentha kwakukulu ndi kotsika, nthawi zambiri -40°C mpaka +85°C pazinthu zamafakitale, ndi nthawi yokhazikika yomwe imalola kuti zinthuzo zifike pamlingo wofanana wa kutentha. Kuphatikiza kwa mayesowa kukuwonetsa njira zolephera zomwe mayeso a single-stress amaphonya. Terminal block yomwe imadutsa kugwedezeka kutentha kwa chipinda ingalephereke pamene kugwedezeka komweko kumagwiritsidwa ntchito pa 85°C chifukwa pulasitiki imafewa ndipo ulusi umamasuka.

IEC 60068-2-6 Vibration Test Protocol ndi Deta ya Chipinda cha Compressor Real-World

Njira yoyesera ya IEC 60068-2-6 ndi yoyambira, osati denga. Zipinda zenizeni za compressor nthawi zambiri zimaposa mikhalidwe yoyesera. Compressor yobwerezabwereza mu chomera choziziritsira imatha kupanga ma vibration peaks pa 10g pa panel yoyikira, yolumikizidwa pafupipafupi yomwe imadalira liwiro la compressor ndi kapangidwe ka silinda. Ma terminal blocks omwe ali pa chitsulo chomangidwa chomwecho amamva kugwedezeka uku kudzera mu chimango cha panel. Deta yamunda kuchokera ku mafakitale oziziritsira ikuwonetsa kuti ma screw terminal blocks okhala ndi 5.0mm pitch ndi waya woyenera wothandiza kuchepetsa kupsinjika amakumana ndi kulephera kosakwana 1% pazaka zisanu. Ma spring terminal blocks omwe ali pamalo omwewo akuwonetsa kulephera kwa 8% mpaka 12% panthawi yomweyi. Kusiyana si mayeso wamba. Kusiyana ndi malire pakati pa mayeso wamba ndi malo enieni. Kukanikiza ma screw kumapereka malire amenewo. Ma spring terminals sachita.

Njira Zolephera Kuyenda ndi Kutentha: Kuyambira Kutsegula Zomangira Mpaka Kukana Kukhudza

Kuzungulira kwa kutentha kumayambitsa kulephera kudzera mu kukula kwa kutentha kosiyanasiyana. Skurufu yachitsulo, bala lamagetsi la mkuwa, ndi conductor wamkuwa zonse zimakula pamlingo wosiyana kutentha kukasintha. Mu cholumikizira cholimba bwino, kupsinjika kwa elastic kwa zinthuzo kumathandizira kukula kosiyanaku. Cholumikizira chikagwedezeka pang'ono, kuzungulira kwa kutentha kumayambitsa kuyenda pang'onopang'ono pakati pa conductor ndi bala lamagetsi. Malo olumikizirana amasungunuka. Kukana kwa kukhudzana kumawonjezeka. Cholumikizira chimatentha kwambiri panthawi yotsatira. Njirayi imathamanga. Mu mayeso a kutentha, cholumikizira cholimba bwino chimatha kufika 150% ya kukana kwake koyamba kolumikizana mkati mwa ma cycle 500. Cholumikizira cholimba bwino chikuwonetsa kuwonjezeka kosakwana 10% pambuyo pa ma cycle 1000. Njira yolephera ndi yodziwikiratu. Kupewa ndikodziwikiratu: mphamvu yoyenera komanso kukonzekera bwino waya. Vuto ndilakuti kulosera sikutsimikizira kuti zinthuzo zikuchitika pafakitale.

Momwe Mungatchulire Ma Terminal Blocks a Motor Control Panel Retrofit

Mapulojekiti okonzanso zinthu amaika zoletsa zomwe mapangidwe atsopano sachita. Kutalika kwa waya komwe kulipo kumakhazikika. Ma cutouts a panel amakhazikika. Nthawi yogwira ntchito imayesedwa m'maola, osati masiku. Mukasankha ma terminal blocks a retrofit ya motor control panel, choletsa choyamba ndi kuyenderana kwa dimensional. Ngati ma terminal blocks omwe alipo ndi 5.0mm pitch, chosinthiracho chiyenera kufanana kapena kapangidwe ka PCB kasintha. Choletsa chachiwiri ndi waya gauge. Ma conductors omwe alipo akhoza kukhala 10AWG kapena 12AWG, ndipo chosinthiracho chiyenera kuwalandira popanda kuthetsedwanso. Choletsa chachitatu ndi mphamvu yamagetsi. Chosinthira sichingachepetse mlingo. Ngati gulu loyambirira lidagwiritsa ntchito ma terminal blocks a 150A pama feeder circuits, chosinthiracho chiyenera kufanana ndi mphamvu imeneyo. Choletsa chachinayi ndi chitsimikizo. Ngati gululo lili pamalo olamulidwa, ma terminal blocks okonzanso zinthu ayenera kukhala ndi zizindikiro zomwezo monga zoyambirira. Omanga ma panel ayeneranso kutsimikizira kuti PCB assembly ikukwaniritsa IPC-A-610 miyezo yovomerezeka ya zolumikizira zosokera ndi zoyikapo zigawo, popeza chipika cha terminal chimakhala chodalirika monga PCB chomwe chimayikidwa. Chipila cha terminal cha PCB cha 5.0mm pitch chokhala ndi 150A rating ndi satifiketi iwiri nthawi zambiri ndiye njira yokhayo yomwe imakwaniritsa zoletsa zonse zinayi nthawi imodzi. Ichi ndichifukwa chake ndi chinthu chodziwika bwino cha zinthu zomwe zimagulitsidwa kwa ogulitsa omwe akutumikira msika wokonza mafakitale.

FAQ

Kodi chiŵerengero chachikulu cha waya choyezera 5.0mm pitch terminal block ndi chiyani?

Ma block ambiri a PCB screw terminal blocks ambiri amalandira ma conductors okwana 10AWG (6mm²). Ma series ena okhala ndi ma housings otalikira amatha kukhala ndi 8AWG (10mm²), koma standard range ndi 14AWG mpaka 10AWG. Chongani deta yeniyeni ya waya.

Kodi ndingagwiritse ntchito ma ferrules okhala ndi ma screw terminal blocks?

Inde. Ma ferrule amathandiza kuti ma stranded conductors asamayende bwino komanso amaletsa kuti stranded clamp isayende bwino. Makina olumikizira ma screw mu ma 5.0mm pitch blocks ambiri apangidwa kuti alandire ma ferrule conductors popanda kusintha. Dayamita ya ferrule iyenera kufanana ndi waya wa terminal block.

Nchifukwa chiyani block yanga ya terminal imagwira ntchito bwino pa 80A pomwe ili ndi 150A?

Chiyerekezo cha 150A chimatengera mikhalidwe yeniyeni: 40°C ambient, single-layer mounting, ndi torque yoyenera. Ngati gululo lili lodzaza, ambience ili yokwera, kapena torque si yolondola, mphamvu yeniyeni imatsika. Yesani kutentha ndi thermocouple pamalo olumikizirana. Ngati ikupitirira 45°C kukwera pamwamba pa ambience, fufuzani mikhalidwe yoyikira musananene kuti chinthucho chili ndi vuto.

Kodi ndikufunika satifiketi ziwiri kuti nditumize ku Mexico?

Mexico imavomereza miyezo ya NOM komanso yapadziko lonse lapansi. Pazida zamafakitale, satifiketi ya NOM imafunika, koma block yomaliza yokhala ndi chizindikiritso cha UL nthawi zambiri ingagwiritsidwe ntchito ngati gawo lodziwika bwino mu msonkhano wovomerezeka wa NOM. Chofunikira chenichenicho chimadalira gulu la zinthu zomaliza. Funsani bungwe la satifiketi yakomweko kuti mudziwe malangizo enieni.

Kodi ndi screwdriver iti ya torque yomwe ndiyenera kugwiritsa ntchito pa ma block a terminal a 5.0mm pitch?

Skrugula yokhazikika yokhala ndi mphamvu ya torque yokhala ndi 0.1 mpaka 1.0 Nm ndiyoyenera. Mafotokozedwe wamba ndi 0.5 mpaka 0.8 Nm. Musagwiritse ntchito power driver yokhala ndi slip clutch pokhapokha ngati clutch yakhazikika bwino ndipo yatsimikiziridwa, chifukwa kugwedezeka kuchokera ku driver kumatha kumasula ma terminals apafupi.

Zolemba za Zamalonda

Ma block a terminal omwe afotokozedwa m'nkhaniyi akupezeka ku Ningbo J-Guang Electronics. Chophimba cha PCB screw terminal block 301-5.0 Mndandandawu uli ndi pitch ya 5.0mm, mphamvu ya 150A current, ndi screw clamp termination yoyenera kugwiritsidwa ntchito pogawa mphamvu zamafakitale. Kuti mudziwe zambiri za zinthu zonse, kuphatikizapo ma pitch ena ndi ma rating a current, pitani ku kabukhu ka zinthu.