{"id":1195,"date":"2026-09-21T01:26:43","date_gmt":"2026-09-21T01:26:43","guid":{"rendered":"https:\/\/ritoks.com\/?p=1195"},"modified":"2026-09-21T01:26:43","modified_gmt":"2026-09-21T01:26:43","slug":"dc-mccb-selection-guide","status":"publish","type":"post","link":"https:\/\/ritoks.com\/cs\/dc-mccb-selection-guide\/","title":{"rendered":"Pr\u016fvodce v\u00fdb\u011brem jisti\u010d\u016f DC MCCB: nap\u011bt\u00ed, proud, po\u010det p\u00f3l\u016f a indikace vypnut\u00ed"},"content":{"rendered":"<p class=\"wp-block-paragraph\">Kupuj\u00edc\u00ed m\u016f\u017ee identifikovat jisti\u010d v lisovan\u00e9m pouzd\u0159e podle jeho krytu, nem\u016f\u017ee v\u0161ak vybrat jisti\u010d MCCB pro stejnosm\u011brn\u00fd proud pouze na z\u00e1klad\u011b velikosti pouzdra nebo hodnoty proudu v amp\u00e9rech. Je nutn\u00e9 zn\u00e1t sou\u010dasn\u011b p\u0159esn\u00e9 stejnosm\u011brn\u00e9 nap\u011bt\u00ed, dostupn\u00fd zkratov\u00fd proud, zapojen\u00ed p\u00f3l\u016f a chov\u00e1n\u00ed p\u0159i vypnut\u00ed. \u00da\u010delem t\u00e9to p\u0159\u00edru\u010dky je umo\u017enit srovn\u00e1n\u00ed konkuren\u010dn\u00edch nab\u00eddek jisti\u010d\u016f MCCB pro dan\u00fd stejnosm\u011brn\u00fd obvod, nikoli volit mezi miniaturn\u00ed a lisovanou konstrukc\u00ed.<\/p>\n\n<p class=\"wp-block-paragraph\">Ka\u017ed\u00fd navrhovan\u00fd objednac\u00ed k\u00f3d pova\u017eujte za samostatn\u00e9ho kandid\u00e1ta. Ozna\u010den\u00ed AC, maxim\u00e1ln\u00ed hodnota v s\u00e9rii ani sch\u00e9ma sousedn\u00ed varianty neur\u010duj\u00ed hodnocen\u00ed produktu v nab\u00eddce. Pokud projekt dosud neobsahuje posouzen\u00ed poruchov\u00e9ho proudu ani definovanou topologii zdroje, lze v \u017e\u00e1dosti o nab\u00eddku (RFQ) o tyto informace po\u017e\u00e1dat, nelze v\u0161ak na jejich z\u00e1klad\u011b uzav\u0159\u00edt technick\u00e9 schv\u00e1len\u00ed.<\/p>\n\n\n<figure data-spectra-id=\"spectra-3bc16c5f-3211-4b98-95f9-ed4cfc27b2ee\" class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/ritoks.com\/wp-content\/uploads\/2026\/09\/MT-007-HERO-01.webp\" alt=\"Obecn\u00fd typ jisti\u010de v lisovan\u00e9m pouzd\u0159e v kontextu projektov\u00e1n\u00ed rozvad\u011b\u010d\u016f stejnosm\u011brn\u00e9ho proudu\" class=\"wp-image-1229\" width=\"1600\" height=\"900\" srcset=\"https:\/\/ritoks.com\/wp-content\/uploads\/2026\/09\/MT-007-HERO-01.webp 1600w, https:\/\/ritoks.com\/wp-content\/uploads\/2026\/09\/MT-007-HERO-01-600x338.webp 600w, https:\/\/ritoks.com\/wp-content\/uploads\/2026\/09\/MT-007-HERO-01-300x169.webp 300w, https:\/\/ritoks.com\/wp-content\/uploads\/2026\/09\/MT-007-HERO-01-1024x576.webp 1024w, https:\/\/ritoks.com\/wp-content\/uploads\/2026\/09\/MT-007-HERO-01-768x432.webp 768w, https:\/\/ritoks.com\/wp-content\/uploads\/2026\/09\/MT-007-HERO-01-1536x864.webp 1536w\" sizes=\"auto, (max-width: 1600px) 100vw, 1600px\" \/><\/figure>\n\n\n<h2 class=\"wp-block-heading\">P\u0159ehled nab\u00eddky<\/h2>\n\n<figure class=\"wp-block-table\"><table><thead><tr><th>Vstup<\/th><th>Z\u00e1znam o kupuj\u00edc\u00edm<\/th><th>D\u016fkazy od konkr\u00e9tn\u00edho kandid\u00e1ta<\/th><\/tr><\/thead><tbody><tr><td>Stejnosm\u011brn\u00e9 nap\u011bt\u00ed<\/td><td>Norm\u00e1ln\u00ed a maxim\u00e1ln\u00ed mo\u017en\u00e9 nap\u011bt\u00ed na za\u0159\u00edzen\u00ed<\/td><td>Jmenovit\u00e9 stejnosm\u011brn\u00e9 nap\u011bt\u00ed p\u0159i stanoven\u00e9m zapojen\u00ed p\u00f3l\u016f<\/td><\/tr><tr><td>Zat\u00ed\u017een\u00ed a provozn\u00ed podm\u00ednky<\/td><td>Trval\u00fd proud a p\u0159edpokl\u00e1dan\u00e9 provozn\u00ed podm\u00ednky<\/td><td>Jmenovit\u00fd proud, rozsah spou\u0161t\u011bc\u00ed jednotky a provozn\u00ed podm\u00ednky<\/td><\/tr><tr><td>\u00darove\u0148 poruchy<\/td><td>P\u0159edpokl\u00e1dan\u00fd zkratov\u00fd proud v m\u00edst\u011b instalace<\/td><td>Jmenovit\u00e1 p\u0159eru\u0161ovac\u00ed schopnost pro stejnosm\u011brn\u00fd proud p\u0159i stejn\u00e9m nap\u011bt\u00ed a konfiguraci<\/td><\/tr><tr><td>Sloupy a topologie<\/td><td>Zapojen\u00ed obvodu a pot\u0159ebn\u00e9 vodi\u010de<\/td><td>Sch\u00e9ma zapojen\u00ed od v\u00fdrobce a po\u017eadavky na polaritu<\/td><\/tr><tr><td>Ovl\u00e1dac\u00ed prvky a p\u0159\u00edslu\u0161enstv\u00ed<\/td><td>Po\u017eadovan\u00e9 funkce j\u00edzdy, indikace nebo dal\u0161\u00ed voliteln\u00e9 prvky<\/td><td>Dokumentovan\u00e1 kompatibilita s kompletn\u00edm objednateln\u00fdm k\u00f3dem<\/td><\/tr><\/tbody><\/table><\/figure>\n\n<h2 class=\"wp-block-heading\">Nejprve sestavte obvod a prove\u010fte z\u00e1znam<\/h2>\n\n<p class=\"wp-block-paragraph\">Zaznamenejte typ zdroje, maxim\u00e1ln\u00ed stejnosm\u011brn\u00e9 nap\u011bt\u00ed, provozn\u00ed proud a p\u0159edpokl\u00e1dan\u00e9 podm\u00ednky p\u0159i b\u011b\u017en\u00e9m provozu. Uve\u010fte navrhovanou polohu jisti\u010de a p\u0159edpokl\u00e1dan\u00fd zkratov\u00fd proud v t\u00e9to poloze. Hodnota nam\u011b\u0159en\u00e1 nebo odhadnut\u00e1 jinde v syst\u00e9mu by nem\u011bla b\u00fdt pro tuto polohu pou\u017eita bez uveden\u00ed zdroje. Uve\u010fte, kdo odhad poruchy poskytl; v r\u00e1mci nab\u00eddkov\u00e9ho \u0159\u00edzen\u00ed by nem\u011bl b\u00fdt odhad poruchy vymy\u0161len.<\/p>\n\n<p class=\"wp-block-paragraph\">Zjist\u011bte, zda aplikace vy\u017eaduje konkr\u00e9tn\u00ed provozn\u00ed funkci, charakteristiku vyp\u00edn\u00e1n\u00ed, signalizaci nebo proveden\u00ed krytu. Rozli\u0161ujte mezi povinn\u00fdmi funkcemi a preferencemi. Rozsah nastaven\u00ed nelze posoudit, dokud nen\u00ed zn\u00e1mo konkr\u00e9tn\u00ed vyp\u00ednac\u00ed za\u0159\u00edzen\u00ed; ne ka\u017ed\u00fd v\u00fdrobek v lisovan\u00e9m pouzd\u0159e m\u00e1 stejn\u00e9 nastaviteln\u00e9 prvky. Toto v\u010dasn\u00e9 rozli\u0161en\u00ed zabr\u00e1n\u00ed tomu, aby se porovn\u00e1vala kompletn\u00ed nab\u00eddka s jinou, kter\u00e1 uv\u00e1d\u00ed pouze r\u00e1movou velikost nebo jmenovit\u00fd proud.<\/p>\n\n<h2 class=\"wp-block-heading\">Sladit nap\u011bt\u00ed, po\u010det p\u00f3l\u016f a jmenovitou poruchovou z\u00e1t\u011b\u017e<\/h2>\n\n<p class=\"wp-block-paragraph\">Prostudujte si p\u0159esnou tabulku v\u00fdrobce pro stejnosm\u011brn\u00fd proud. P\u0159\u00edslu\u0161n\u00fd \u0159\u00e1dek m\u016f\u017ee uv\u00e1d\u011bt nap\u011bt\u00ed, po\u010det p\u00f3l\u016f, zp\u016fsob p\u0159ipojen\u00ed a vyp\u00ednac\u00ed schopnost najednou. Spole\u010dnost Schneider Electric vyd\u00e1v\u00e1 dokument o zapojen\u00ed stejnosm\u011brn\u00fdch obvod\u016f pro sv\u00e9 jisti\u010de LA\/LH MCCB a samostatn\u00fd dokument s \u010dasto kladen\u00fdmi dotazy (FAQ) pro jisti\u010de FA\/FH, jeho\u017e tabulka jmenovit\u00fdch hodnot se m\u011bn\u00ed v z\u00e1vislosti na nap\u011bt\u00ed a konfiguraci p\u00f3l\u016f. Tyto p\u0159\u00edklady dokl\u00e1daj\u00ed d\u016fle\u017eitost informac\u00ed specifick\u00fdch pro dan\u00fd model; neoprav\u0148uj\u00ed v\u0161ak k p\u0159enesen\u00ed \u017e\u00e1dn\u00e9ho z t\u011bchto zapojen\u00ed do produktu RITOKS.<\/p>\n\n<p class=\"wp-block-paragraph\">Pokud je navrhovan\u00fd kandid\u00e1t ozna\u010den jako \u201c2P\u201d, vy\u017e\u00e1dejte si sch\u00e9ma p\u0159esn\u011b t\u00e9to varianty. Neberte ozna\u010den\u00ed \u201e2P\u201c jako pokyn k zapojen\u00ed. Porovnejte udanou jmenovitou hodnotu vyp\u00ednac\u00edho v\u00fdkonu pro stejnosm\u011brn\u00fd proud s \u00farovn\u00ed poruchy v dan\u00e9m projektu p\u0159i p\u0159\u00edslu\u0161n\u00e9m nap\u011bt\u00ed. Pokud dodavatel uv\u00e1d\u00ed vy\u0161\u0161\u00ed jmenovitou hodnotu vyp\u00ednac\u00edho v\u00fdkonu p\u0159i jin\u00e9m nap\u011bt\u00ed, tato hodnota nen\u00ed pro dan\u00fd obvod dosta\u010duj\u00edc\u00ed.<\/p>\n\n<h2 class=\"wp-block-heading\">Odd\u011blte r\u00e1m od sp\u00ednac\u00ed jednotky<\/h2>\n\n<p class=\"wp-block-paragraph\">Sk\u0159\u00ed\u0148 s lisovan\u00fdm krytem m\u016f\u017ee b\u00fdt nab\u00edzena s r\u016fzn\u00fdmi spou\u0161t\u011bc\u00edmi mechanismy nebo nastaven\u00edmi. Zaznamenejte, zda je nab\u00edzen\u00e1 spou\u0161t\u011bc\u00ed jednotka pevn\u011b nastaven\u00e1 nebo nastaviteln\u00e1 a jak\u00e9 funkce obsahuje. V p\u0159\u00edpad\u011b pot\u0159eby si vy\u017e\u00e1dejte aktu\u00e1ln\u00ed nastaven\u00ed nebo p\u0159\u00edpustn\u00fd rozsah a tak\u00e9 p\u0159\u00edslu\u0161nou dokumentaci v\u00fdrobce. Nevyvozujte z\u00e1v\u011bry o elektronick\u00e9 ochran\u011b, komunikaci, funkc\u00edch ochrany proti zemn\u00edmu spojen\u00ed ani o rozhran\u00ed pro p\u0159\u00edslu\u0161enstv\u00ed pouze na z\u00e1klad\u011b tvaru nebo n\u00e1zvu \u0159ady.<\/p>\n\n<p class=\"wp-block-paragraph\">Zjist\u011bte si tak\u00e9, co je zahrnuto v k\u00f3du objedn\u00e1vky. Rukoje\u0165, termin\u00e1lov\u00e1 volba, pomocn\u00fd kontakt nebo uvol\u0148ovac\u00ed mechanismus mohou b\u00fdt prod\u00e1v\u00e1ny jako samostatn\u00e9 p\u0159\u00edslu\u0161enstv\u00ed, p\u0159\u00edpadn\u011b nemus\u00ed b\u00fdt podporov\u00e1ny. Porovn\u00e1vejte nab\u00eddky na z\u00e1klad\u011b srovnateln\u00fdch funkc\u00ed, nikoli pouze na z\u00e1klad\u011b katalogov\u00e9 ceny nebo ozna\u010den\u00ed r\u00e1mu. Jak\u00e9koli tvrzen\u00ed, \u017ee je s t\u00edmto jisti\u010dem MCCB kompatibiln\u00ed jin\u00e9 ochrann\u00e9 za\u0159\u00edzen\u00ed, mus\u00ed b\u00fdt podlo\u017eeno p\u0159esnou zdokumentovanou kombinac\u00ed.<\/p>\n\n\n\n\n<figure data-spectra-id=\"spectra-3e176644-c5df-4026-a7fe-05fa276d16ce\" class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/ritoks.com\/wp-content\/uploads\/2026\/09\/MT-007-BODY-01.webp\" alt=\"Koncep\u010dn\u00ed vrstvy konfigurace jisti\u010de MCCB: r\u00e1m, vyp\u00ednac\u00ed jednotka a p\u0159\u00edslu\u0161enstv\u00ed\" class=\"wp-image-1230\" width=\"1400\" height=\"1050\" srcset=\"https:\/\/ritoks.com\/wp-content\/uploads\/2026\/09\/MT-007-BODY-01.webp 1400w, https:\/\/ritoks.com\/wp-content\/uploads\/2026\/09\/MT-007-BODY-01-600x450.webp 600w, https:\/\/ritoks.com\/wp-content\/uploads\/2026\/09\/MT-007-BODY-01-300x225.webp 300w, https:\/\/ritoks.com\/wp-content\/uploads\/2026\/09\/MT-007-BODY-01-1024x768.webp 1024w, https:\/\/ritoks.com\/wp-content\/uploads\/2026\/09\/MT-007-BODY-01-768x576.webp 768w\" sizes=\"auto, (max-width: 1400px) 100vw, 1400px\" \/><figcaption class=\"wp-element-caption\">Nab\u00eddka na jisti\u010d MCCB je \u00fapln\u00e1 teprve tehdy, jsou-li v n\u00ed specifikov\u00e1ny jeho r\u00e1m, spou\u0161t\u011bc\u00ed jednotka a pot\u0159ebn\u00e9 p\u0159\u00edslu\u0161enstv\u00ed.<\/figcaption><\/figure>\n\n\n<h2 class=\"wp-block-heading\">Porovn\u00e1n\u00ed dvou nab\u00eddek na z\u00e1klad\u011b dokumentace<\/h2>\n\n<figure class=\"wp-block-table\"><table><thead><tr><th>Ot\u00e1zka<\/th><th>\u00dapln\u00e1 odpov\u011b\u010f<\/th><th>Ne\u00fapln\u00e1 odpov\u011b\u010f<\/th><\/tr><\/thead><tbody><tr><td>Nap\u011bt\u00ed a p\u00f3ly<\/td><td>Sou\u010d\u00e1st\u00ed dod\u00e1vky je p\u0159esn\u00fd dokument s rozlo\u017een\u00edm \u0159\u00e1dk\u016f v DC tabulce a sch\u00e9ma zapojen\u00ed<\/td><td>Uvedena je pouze maxim\u00e1ln\u00ed hodnota pro rodinu nebo hodnota AC<\/td><\/tr><tr><td>P\u0159eru\u0161en\u00ed poruchy<\/td><td>Jmenovit\u00fd stejnosm\u011brn\u00fd proud p\u0159i projektov\u00e9m nap\u011bt\u00ed a zadan\u00e9m po\u010dtu p\u00f3l\u016f<\/td><td>Hlavn\u00ed \u010d\u00edslo kA bez podm\u00ednek<\/td><\/tr><tr><td>Chov\u00e1n\u00ed b\u011bhem cesty<\/td><td>Uveden p\u0159esn\u00fd k\u00f3d spou\u0161t\u011bc\u00ed jednotky a jej\u00ed nastaven\u00ed\/funkce<\/td><td>Obecn\u00fd n\u00e1rok na nastavitelnost<\/td><\/tr><tr><td>P\u0159\u00edslu\u0161enstv\u00ed<\/td><td>Seznam p\u0159esn\u00fdch k\u00f3d\u016f podporovan\u00fdch d\u00edl\u016f<\/td><td>Varianta zobrazen\u00e1 na jin\u00e9m obr\u00e1zku produktu<\/td><\/tr><\/tbody><\/table><\/figure>\n\n<p class=\"wp-block-paragraph\">Ne\u00fapln\u00e1 nab\u00eddka nemus\u00ed nutn\u011b znamenat, \u017ee za\u0159\u00edzen\u00ed nen\u00ed vhodn\u00e9; zat\u00edm ji nelze porovnat. Vy\u017e\u00e1dejte si chyb\u011bj\u00edc\u00ed str\u00e1nku nebo objednac\u00ed k\u00f3d. Pokud n\u011bkter\u00fd z dodavatel\u016f navrhne odli\u0161nou konfiguraci p\u00f3l\u016f k dosa\u017een\u00ed jmenovit\u00e9ho nap\u011bt\u00ed, p\u0159edlo\u017ete tento n\u00e1vrh projektantovi, m\u00edsto abyste jej pova\u017eovali za redak\u010dn\u00ed zm\u011bnu.<\/p>\n\n<p class=\"wp-block-paragraph\">Zaznamen\u00e1vejte revize dokument\u016f i hodnoty. V opa\u010dn\u00e9m p\u0159\u00edpad\u011b by se mohla pozd\u011bj\u0161\u00ed nab\u00eddka jevit jako shodn\u00e1, i kdy\u017e odkazuje na nahrazenou jisti\u010dovou jednotku, p\u0159\u00edslu\u0161enstv\u00ed nebo p\u0159ipojovac\u00ed str\u00e1nku. Pokud projekt vy\u017eaduje d\u00e1lkovou signalizaci, bo\u010dn\u00ed spou\u0161t\u011b\u010d nebo jin\u00e9 p\u0159\u00edslu\u0161enstv\u00ed, zeptejte se, zda to m\u011bn\u00ed cel\u00fd k\u00f3d objedn\u00e1vky nebo provozn\u00ed limity. D\u00edky tomu bude mo\u017en\u00e9 nab\u00eddku porovnat, ani\u017e by se p\u0159edpokl\u00e1dalo, \u017ee ve\u0161ker\u00e9 p\u0159\u00edslu\u0161enstv\u00ed uveden\u00e9 pro r\u00e1m je k dispozici u vybran\u00e9 varianty stejnosm\u011brn\u00e9ho proudu.<\/p>\n\n\n\n\n<figure data-spectra-id=\"spectra-55f694f7-3dcc-471b-b743-1e46bfe52372\" class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/ritoks.com\/wp-content\/uploads\/2026\/09\/MT-007-BODY-02.webp\" alt=\"Sb\u011brn\u00e1 br\u00e1na pro z\u00e1znamy o nap\u011bt\u00ed, poruch\u00e1ch, vypnut\u00ed a p\u0159\u00edslu\u0161enstv\u00ed stejnosm\u011brn\u00fdch jisti\u010d\u016f MCCB\" class=\"wp-image-1231\" width=\"1400\" height=\"1050\" srcset=\"https:\/\/ritoks.com\/wp-content\/uploads\/2026\/09\/MT-007-BODY-02.webp 1400w, https:\/\/ritoks.com\/wp-content\/uploads\/2026\/09\/MT-007-BODY-02-600x450.webp 600w, https:\/\/ritoks.com\/wp-content\/uploads\/2026\/09\/MT-007-BODY-02-300x225.webp 300w, https:\/\/ritoks.com\/wp-content\/uploads\/2026\/09\/MT-007-BODY-02-1024x768.webp 1024w, https:\/\/ritoks.com\/wp-content\/uploads\/2026\/09\/MT-007-BODY-02-768x576.webp 768w\" sizes=\"auto, (max-width: 1400px) 100vw, 1400px\" \/><figcaption class=\"wp-element-caption\">Vzhledem k chyb\u011bj\u00edc\u00edm d\u016fkaz\u016fm specifick\u00fdm pro dan\u00fd model z\u016fst\u00e1v\u00e1 nab\u00eddka MCCB otev\u0159en\u00e1 k p\u0159ezkoum\u00e1n\u00ed.<\/figcaption><\/figure>\n\n\n<h2 class=\"wp-block-heading\">Pracovn\u00ed postup p\u0159i rozhodov\u00e1n\u00ed<\/h2>\n\n<ul class=\"wp-block-list\"><li>Zaznamenejte pr\u016fb\u011bh nap\u011bt\u00ed v obvodu, z\u00e1znam nep\u0159etr\u017eit\u00e9ho zat\u00ed\u017een\u00ed a odhad potenci\u00e1ln\u00ed poruchy v dan\u00e9 oblasti.<\/li><li>Uve\u010fte ochrann\u00e9 a sp\u00ednac\u00ed funkce, kter\u00e9 projekt od jisti\u010de MCCB o\u010dek\u00e1v\u00e1.<\/li><li>K ka\u017ed\u00e9 nab\u00eddce si vy\u017e\u00e1dejte p\u0159esn\u00fd k\u00f3d objedn\u00e1vky, tabulku jmenovit\u00fdch hodnot stejnosm\u011brn\u00e9ho proudu, sch\u00e9ma zapojen\u00ed a popis spou\u0161t\u011bc\u00ed jednotky.<\/li><li>Porovnejte nap\u011bt\u00ed, po\u010det p\u00f3l\u016f a p\u0159eru\u0161ovac\u00ed schopnost za stejn\u00fdch podm\u00ednek, pot\u00e9 po\u017eadavky na vyp\u00edn\u00e1n\u00ed a p\u0159\u00edslu\u0161enstv\u00ed.<\/li><li>V p\u0159\u00edpad\u011b, \u017ee p\u0159ed schv\u00e1len\u00edm zjist\u00edte chyb\u011bj\u00edc\u00ed \u00fadaje o z\u00e1vad\u00e1ch, zapojen\u00ed nebo koordinaci, informujte o tom projektov\u00e9ho in\u017een\u00fdra a v\u00fdrobce.<\/li><\/ul>\n\n<h2 class=\"wp-block-heading\">Zve\u0159ejn\u011bn\u00fd p\u0159\u00edklad RITOKS a popt\u00e1vka<\/h2>\n\n<p class=\"wp-block-paragraph\">Na zve\u0159ejn\u011bn\u00e9 str\u00e1nce v\u011bnovan\u00e9 jisti\u010d\u016fm RITOKS 2P DC MCCB jsou uvedeny varianty pro nap\u011bt\u00ed 500 V a 1000 V. Str\u00e1nka v\u011bnovan\u00e1 t\u00e9to \u0159ad\u011b slou\u017e\u00ed jako v\u00fdchoz\u00ed bod, nejedn\u00e1 se o obecn\u00e9 tvrzen\u00ed, \u017ee v\u0161echny \u0159\u00e1dky maj\u00ed stejnou vyp\u00ednac\u00ed schopnost, stejn\u00fd zp\u016fsob zapojen\u00ed p\u00f3l\u016f nebo stejnou vyp\u00ednac\u00ed jednotku. V popt\u00e1vce uve\u010fte zam\u00fd\u0161lenou variantu a zeptejte se, kter\u00fd konkr\u00e9tn\u00ed \u0159\u00e1dek v datov\u00e9m listu odpov\u00edd\u00e1 jej\u00edmu jmenovit\u00e9mu v\u00fdkonu. N\u00e1hradn\u00ed variantu je nutn\u00e9 ov\u011b\u0159it v jej\u00edm vlastn\u00edm dokumentu.<\/p>\n\n<ul class=\"wp-block-list\"><li>Typ zdroje, maxim\u00e1ln\u00ed stejnosm\u011brn\u00e9 nap\u011bt\u00ed, b\u011b\u017en\u00fd proud a p\u0159edpokl\u00e1dan\u00fd poruchov\u00fd proud na jisti\u010di.<\/li><li>Po\u017eadovan\u00e9 uspo\u0159\u00e1d\u00e1n\u00ed sloup\u016f a p\u0159ipojen\u00ed, ochrann\u00e9 funkce a informace o vypnut\u00ed.<\/li><li>Po\u017eadavky na um\u00edst\u011bn\u00ed panelu, kryt, mont\u00e1\u017e a p\u0159\u00edpadn\u00e9 p\u0159\u00edslu\u0161enstv\u00ed.<\/li><li>K\u00f3d objedn\u00e1vky kandid\u00e1ta, p\u0159esn\u00e1 tabulka stejnosm\u011brn\u00e9ho proudu, sch\u00e9ma zapojen\u00ed a doklady o p\u0159\u00edpadn\u00e9 po\u017eadovan\u00e9 koordinaci.<\/li><li>Pro vypracov\u00e1n\u00ed technick\u00e9 odpov\u011bdi je t\u0159eba uv\u00e9st mno\u017estv\u00ed, m\u00edsto ur\u010den\u00ed a datum.<\/li><\/ul>\n\n<h2 class=\"wp-block-heading\">Vytvo\u0159te kompletn\u00ed konfiguraci k objedn\u00e1n\u00ed<\/h2>\n\n<p class=\"wp-block-paragraph\">Nab\u00eddka na jisti\u010d MCCB m\u016f\u017ee popisovat r\u00e1m, p\u0159i\u010dem\u017e spou\u0161t\u011bc\u00ed jednotka, svorky, ovl\u00e1dac\u00ed mechanismus a pomocn\u00e9 funkce mohou z\u016fstat nespecifikov\u00e1ny. Tento popis p\u0159evedete do kusovn\u00edku, kter\u00fd identifikuje z\u00e1kladn\u00ed jisti\u010d, vyp\u00ednac\u00ed jednotku a ve\u0161ker\u00e9 po\u017eadovan\u00e9 p\u0159\u00edslu\u0161enstv\u00ed. U ka\u017ed\u00e9 polo\u017eky si ov\u011b\u0159te, zda se jedn\u00e1 o sou\u010d\u00e1st namontovanou z v\u00fdroby, namontovanou na m\u00edst\u011b nebo pouze volitelnou. To je obzvl\u00e1\u0161t\u011b d\u016fle\u017eit\u00e9 v p\u0159\u00edpad\u011b, \u017ee dv\u011b nab\u00eddky pou\u017e\u00edvaj\u00ed stejn\u00fd proud r\u00e1mu, ale poskytuj\u00ed odli\u0161n\u00e9 ochrann\u00e9 funkce nebo opom\u00edjej\u00ed sou\u010d\u00e1sti pot\u0159ebn\u00e9 pro konstrukci rozvad\u011b\u010de.<\/p>\n\n<p class=\"wp-block-paragraph\">Pova\u017eujte nastaviteln\u00e9 parametry za technick\u00e9 vstupn\u00ed \u00fadaje, nikoli za prodejn\u00ed argumenty. V nab\u00eddce by m\u011bly b\u00fdt uvedeny dostupn\u00e9 funkce nastaven\u00ed a rozsahy pro konkr\u00e9tn\u00ed spou\u0161t\u011bc\u00ed jednotku, p\u0159i\u010dem\u017e kone\u010dn\u00e9 nastaven\u00ed se stanov\u00ed p\u0159i posouzen\u00ed projektu. Nezve\u0159ej\u0148ujte ani neobjedn\u00e1vejte nastaven\u00ed zkop\u00edrovan\u00e9 z jin\u00e9 instalace. Pokud uvol\u0148ovac\u00ed mechanismus, sp\u00edna\u010d nebo pohon zm\u011bn\u00ed kompletn\u00ed k\u00f3d produktu, zachovejte tento k\u00f3d v porovn\u00e1n\u00ed beze zm\u011bny, aby se kone\u010dn\u00e1 objedn\u00e1vka nemohla nepozorovan\u011b vr\u00e1tit k hol\u00e9mu r\u00e1mu.<\/p>\n\n<h2 class=\"wp-block-heading\">Podm\u00ednky, kter\u00e9 je t\u0159eba splnit p\u0159ed n\u00e1kupem<\/h2>\n\n<p class=\"wp-block-paragraph\">V\u00fdb\u011br pozastavte, pokud chyb\u00ed \u00fadaj o maxim\u00e1ln\u00edm nap\u011bt\u00ed v obvodu, m\u00edstn\u00edm p\u0159edpokl\u00e1dan\u00e9m poruchov\u00e9m proudu nebo po\u017eadovan\u00e9m sch\u00e9matu zapojen\u00ed. Pozastavte v\u00fdb\u011br tak\u00e9 v p\u0159\u00edpad\u011b, \u017ee prodejce poskytne bro\u017euru o produktov\u00e9 \u0159ad\u011b, ale nedok\u00e1\u017ee ur\u010dit p\u0159\u00edslu\u0161n\u00fd \u0159\u00e1dek v tabulce, nebo pokud navrhovan\u00e1 vyp\u00ednac\u00ed jednotka nen\u00ed uvedena v objednac\u00edm k\u00f3du. Jedn\u00e1 se o mezery kritick\u00e9 z hlediska publikace i n\u00e1kupu, proto\u017ee br\u00e1n\u00ed p\u0159\u00edm\u00e9mu srovn\u00e1n\u00ed. Ni\u017e\u0161\u00ed cena ani krat\u0161\u00ed dodac\u00ed lh\u016fta tyto mezery nevypln\u00ed.<\/p>\n\n<p class=\"wp-block-paragraph\">V kone\u010dn\u00e9m z\u00e1znamu o \u017e\u00e1dosti o nab\u00eddku odd\u011blte ov\u011b\u0159en\u00e9 skute\u010dnosti od po\u017eadovan\u00fdch potvrzen\u00ed. Nejprve uve\u010fte podm\u00ednky projektu, pot\u00e9 navrhovanou konfiguraci a nakonec p\u0159esn\u00fd seznam dokument\u016f, kter\u00e9 jsou je\u0161t\u011b zapot\u0159eb\u00ed. Uve\u010fte, zda jsou v cen\u011b zahrnuty dopl\u0148ky a mont\u00e1\u017e do sk\u0159\u00edn\u011b a zda je uplat\u0148ov\u00e1n n\u00e1rok na koordinaci. Pokud je koordinace po\u017eadov\u00e1na, vy\u017e\u00e1dejte si z\u00e1znam o kombinaci schv\u00e1len\u00fd v\u00fdrobcem; nevyvozujte jej pouze na z\u00e1klad\u011b shody zna\u010dek nebo aktu\u00e1ln\u00edch produktov\u00fdch \u0159ad.<\/p>\n\n<p class=\"wp-block-paragraph\">Uchovejte kone\u010dn\u00e9 srovn\u00e1n\u00ed s vybran\u00fdm objednac\u00edm k\u00f3dem a revizemi dokumentace. Pozd\u011bj\u0161\u00ed nab\u00eddka, kter\u00e1 m\u011bn\u00ed konfiguraci jisti\u010de, p\u0159\u00edslu\u0161enstv\u00ed nebo sloupu, by m\u011bla b\u00fdt pova\u017eov\u00e1na za revidovanou konfiguraci, i kdy\u017e ozna\u010den\u00ed r\u00e1mu z\u016fst\u00e1v\u00e1 stejn\u00e9. To poskytuje odd\u011blen\u00ed n\u00e1kupu opakovan\u011b pou\u017eiteln\u00fd z\u00e1znam o p\u0159ej\u00edmce, ani\u017e by se tvrdilo, \u017ee dan\u00fd v\u00fdrobek vybral nebo nastavil ochrann\u00e9 za\u0159\u00edzen\u00ed. Zaznamenejte jm\u00e9no revizora a datum revize, aby byla zaji\u0161t\u011bna trval\u00e1 sledovatelnost.<\/p>\n\n<h2 class=\"wp-block-heading\">\u010casto kladen\u00e9 ot\u00e1zky<\/h2>\n\n<h3 class=\"wp-block-heading\">Mohu porovn\u00e1vat jisti\u010de MCCB pouze na z\u00e1klad\u011b r\u00e1mov\u00e9ho proudu?<\/h3>\n\n<p class=\"wp-block-paragraph\">Ne. Hodnota v \u201eframe\u201c nebo \u201eampere\u201c neur\u010duje stejnosm\u011brn\u00e9 nap\u011bt\u00ed, vyp\u00ednac\u00ed schopnost, zapojen\u00ed p\u00f3l\u016f ani vyp\u00ednac\u00ed funkce. Porovnejte kompletn\u00ed objednatelnou konfiguraci se stejn\u00fdm z\u00e1znamem o obvodu.<\/p>\n\n<h3 class=\"wp-block-heading\">Lze znovu pou\u017e\u00edt sch\u00e9ma jin\u00e9ho v\u00fdrobce?<\/h3>\n\n<p class=\"wp-block-paragraph\">Ne. Tyto dokumenty spole\u010dnosti Schneider ukazuj\u00ed, pro\u010d je p\u0159esn\u00fd sch\u00e9ma zapojen\u00ed nezbytn\u00e9; nejedn\u00e1 se o n\u00e1vod na zapojen\u00ed pro za\u0159\u00edzen\u00ed zna\u010dky RITOKS ani \u017e\u00e1dn\u00e9 jin\u00e9 zna\u010dky.<\/p>\n\n<h3 class=\"wp-block-heading\">Co kdy\u017e nen\u00ed v nab\u00eddce uvedena sp\u00ednac\u00ed jednotka?<\/h3>\n\n<p class=\"wp-block-paragraph\">Ne\u017e za\u010dnete porovn\u00e1vat nastaven\u00ed nebo p\u0159\u00edslu\u0161enstv\u00ed, vy\u017e\u00e1dejte si p\u0159esn\u00fd k\u00f3d a p\u0159ehled podporovan\u00fdch funkc\u00ed. Pojem \u201cnastaviteln\u00fd\u201d je p\u0159\u00edli\u0161 neur\u010dit\u00fd na to, aby spl\u0148oval po\u017eadavky na bezpe\u010dnost.<\/p>\n\n<h2 class=\"wp-block-heading\">Souvisej\u00edc\u00ed produkty a pokyny spole\u010dnosti RITOKS<\/h2>\n\n<p class=\"wp-block-paragraph\">Tyto str\u00e1nky pou\u017eijte jako samostatn\u00e9 z\u00e1znamy o produktech a produktov\u00fdch \u0159ad\u00e1ch. Odkaz neznamen\u00e1, \u017ee jsou ob\u011b za\u0159\u00edzen\u00ed zam\u011bniteln\u00e1 nebo vz\u00e1jemn\u011b kompatibiln\u00ed.<\/p>\n\n<p class=\"wp-block-paragraph\"><a href=\"https:\/\/ritoks.com\/cs\/product-category\/dc-power-protection\/dc-circuit-breakers\/dc-molded-case-circuit-breakers\/\">Kategorie jisti\u010d\u016f v lisovan\u00e9m pouzd\u0159e DC<\/a><\/p>\n\n<p class=\"wp-block-paragraph\"><a href=\"https:\/\/ritoks.com\/cs\/products\/2p-dc-molded-case-circuit-breaker-500-1000v-125-250a\/\">Produktov\u00e1 \u0159ada 2P DC MCCB<\/a><\/p>\n\n<p class=\"wp-block-paragraph\"><a href=\"https:\/\/ritoks.com\/cs\/how-to-choose-dc-circuit-breaker-mcb-vs-mccb\/\">Srovn\u00e1n\u00ed architektury MCB a MCCB<\/a><\/p>\n\n<h2 class=\"wp-block-heading\">Technick\u00e9 odkazy<\/h2>\n\n<p class=\"wp-block-paragraph\">N\u00e1sleduj\u00edc\u00ed zdroje od v\u00fdrobc\u016f potvrzuj\u00ed n\u00ed\u017ee uveden\u00e9 obecn\u00e9 principy. Jejich technick\u00e9 parametry model\u016f, sch\u00e9mata a schv\u00e1len\u00ed se nevztahuj\u00ed na v\u00fdrobky spole\u010dnosti RITOKS.<\/p>\n\n<p class=\"wp-block-paragraph\"><a href=\"https:\/\/www.se.com\/us\/en\/download\/document\/GEX56604\/\" target=\"_blank\" rel=\"noopener\">Schneider Electric, sch\u00e9ma zapojen\u00ed stejnosm\u011brn\u00e9ho proudu, jisti\u010d MCCB LA-LH<\/a><\/p>\n\n<p class=\"wp-block-paragraph\">Podporuje pot\u0159ebu dokumentace s p\u0159esn\u00fdm modelem p\u0159ipojen\u00ed k stejnosm\u011brn\u00e9mu nap\u00e1jen\u00ed; tento sch\u00e9ma LA\/LH nepopisuje produkt RITOKS.<\/p>\n\n<p class=\"wp-block-paragraph\"><a href=\"https:\/\/www.se.com\/us\/en\/faqs\/FA126148\/\" target=\"_blank\" rel=\"noopener\">Schneider Electric, \u010casto kladen\u00e9 ot\u00e1zky k jmenovit\u00fdm hodnot\u00e1m FA\/FH pro stejnosm\u011brn\u00fd proud<\/a><\/p>\n\n<p class=\"wp-block-paragraph\">Z p\u0159\u00edklad\u016f uveden\u00fdch v tabulce vypl\u00fdv\u00e1, \u017ee jmenovit\u00e9 stejnosm\u011brn\u00e9 nap\u011bt\u00ed a p\u0159eru\u0161ovac\u00ed schopnost z\u00e1vis\u00ed na konkr\u00e9tn\u00edm jisti\u010di a konfiguraci p\u00f3l\u016f; uveden\u00e9 hodnoty plat\u00ed pouze pro v\u00fdrobky spole\u010dnosti Schneider.<\/p>\n\n<h2 class=\"wp-block-heading\">Po\u017e\u00e1dat o posouzen\u00ed konkr\u00e9tn\u00edho modelu<\/h2>\n\n<p class=\"wp-block-paragraph\">Zas\u00edlejte zaznamenan\u00e9 po\u017eadavky na pou\u017eit\u00ed, p\u0159esn\u00e9 dotazy t\u00fdkaj\u00edc\u00ed se dokumentace, mno\u017estv\u00ed a m\u00edsto ur\u010den\u00ed prost\u0159ednictv\u00edm kontaktn\u00edho formul\u00e1\u0159e spole\u010dnosti RITOKS. \u017d\u00e1dost o cenovou nab\u00eddku vy\u017eaduje posouzen\u00ed konkr\u00e9tn\u00edho modelu; tento pr\u016fvodce neschvaluje n\u00e1vrh zapojen\u00ed ani nedoporu\u010duje automatickou n\u00e1hradu.<\/p>\n\n<p class=\"wp-block-paragraph\"><a href=\"https:\/\/ritoks.com\/cs\/contact-us\/\">Kontaktujte spole\u010dnost RITOKS<\/a><\/p>","protected":false},"excerpt":{"rendered":"<p>A buyer can identify a molded-case breaker by its housing but cannot approve a DC MCCB from the case size [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":1229,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"site-sidebar-layout":"no-sidebar","site-content-layout":"page-builder","ast-site-content-layout":"full-width-container","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"disabled","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"disabled","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","ast-disable-related-posts":"","theme-transparent-header-meta":"disabled","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"default","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center 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