{"id":1269,"date":"2026-09-21T15:38:40","date_gmt":"2026-09-21T15:38:40","guid":{"rendered":"https:\/\/ritoks.com\/?p=1269"},"modified":"2026-10-09T01:15:07","modified_gmt":"2026-10-09T01:15:07","slug":"mpcb-selection-guide","status":"publish","type":"post","link":"https:\/\/ritoks.com\/cs\/mpcb-selection-guide\/","title":{"rendered":"Pr\u016fvodce v\u00fdb\u011brem MPCB: proud motoru, rozsah vyp\u00edn\u00e1n\u00ed a vyp\u00ednac\u00ed schopnost"},"content":{"rendered":"<p class=\"wp-block-paragraph\">Jisti\u010d pro ochranu motoru se pro dan\u00fd motorov\u00fd obvod nevyb\u00edr\u00e1 podle nejbli\u017e\u0161\u00edho ozna\u010den\u00ed proudu v amp\u00e9rech. Kupuj\u00edc\u00ed mus\u00ed specifikovat motor, nap\u00e1jen\u00ed, spou\u0161t\u011bc\u00ed charakteristiky, p\u0159edpokl\u00e1dan\u00fd poruchov\u00fd proud a p\u0159esn\u00e9 funkce, kter\u00e9 se od za\u0159\u00edzen\u00ed o\u010dek\u00e1vaj\u00ed. Navrhovan\u00fd jisti\u010d pro ochranu motoru je pak nutn\u00e9 ov\u011b\u0159it v tabulk\u00e1ch jeho v\u00fdrobce.<\/p>\n\n<p class=\"wp-block-paragraph\">Tento \u010dl\u00e1nek obsahuje informace pro v\u00fdb\u011br MPCB. Nenahrazuje v\u0161ak ji\u017e zve\u0159ejn\u011bn\u00e9 srovn\u00e1n\u00ed MPCB, tepeln\u00fdch p\u0159et\u00ed\u017eovac\u00edch rel\u00e9 a MCB a neprezentuje koordinovanou kombinaci spou\u0161t\u011b\u010d\u016f pro GYMP7.<\/p>\n\n\n<figure data-spectra-id=\"spectra-8877cf15-8c07-4019-931e-195b735f1625\" class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/ritoks.com\/wp-content\/uploads\/2026\/09\/MT-037-HERO-01-r2.webp\" alt=\"Redak\u010dn\u00ed vizu\u00e1ln\u00ed zn\u00e1zorn\u011bn\u00ed v\u00fdb\u011bru MPCB pro proud, rozsah vyp\u00edn\u00e1n\u00ed a poruchov\u00fd provoz\" class=\"wp-image-1270\" width=\"1600\" height=\"900\" srcset=\"https:\/\/ritoks.com\/wp-content\/uploads\/2026\/09\/MT-037-HERO-01-r2.webp 1600w, https:\/\/ritoks.com\/wp-content\/uploads\/2026\/09\/MT-037-HERO-01-r2-600x338.webp 600w, https:\/\/ritoks.com\/wp-content\/uploads\/2026\/09\/MT-037-HERO-01-r2-300x169.webp 300w, https:\/\/ritoks.com\/wp-content\/uploads\/2026\/09\/MT-037-HERO-01-r2-1024x576.webp 1024w, https:\/\/ritoks.com\/wp-content\/uploads\/2026\/09\/MT-037-HERO-01-r2-768x432.webp 768w, https:\/\/ritoks.com\/wp-content\/uploads\/2026\/09\/MT-037-HERO-01-r2-1536x864.webp 1536w\" sizes=\"auto, (max-width: 1600px) 100vw, 1600px\" \/><\/figure>\n\n\n<h2 class=\"wp-block-heading\">Rozhodov\u00e1n\u00ed o n\u00e1kupu v kostce<\/h2>\n\n<figure class=\"wp-block-table\"><table><thead><tr><th>Vstupn\u00ed \u00fadaje pro rozhodnut\u00ed<\/th><th>Kupuj\u00edc\u00ed mus\u00ed potvrdit<\/th><th>Po\u017eadovan\u00e9 doklady<\/th><\/tr><\/thead><tbody><tr><td>Z\u00e1znam o motoru<\/td><td>Jmenovit\u00e9 nap\u011bt\u00ed, proud p\u0159i pln\u00e9m zat\u00ed\u017een\u00ed, f\u00e1ze a zp\u016fsob spou\u0161t\u011bn\u00ed<\/td><td>\u00dadaje o rozsahu p\u0159esn\u00e9ho nastaven\u00ed a provozn\u00edch podm\u00ednk\u00e1ch motoru<\/td><\/tr><tr><td>Slu\u017eba p\u0159i poruch\u00e1ch<\/td><td>P\u0159edpokl\u00e1dan\u00fd zkratov\u00fd proud v m\u00edst\u011b instalace za\u0159\u00edzen\u00ed<\/td><td>Spor ohledn\u011b p\u0159et\u00ed\u017een\u00ed p\u0159i stejn\u00e9m nap\u011bt\u00ed<\/td><\/tr><tr><td>Chov\u00e1n\u00ed b\u011bhem cesty<\/td><td>Po\u017eadovan\u00e9 p\u0159et\u00ed\u017een\u00ed a magnetick\u00e1 odezva<\/td><td>P\u0159esn\u00e9 \u00fadaje o cest\u011b a tolerance<\/td><\/tr><tr><td>Rozsah kontroly<\/td><td>Ru\u010dn\u00ed ovl\u00e1d\u00e1n\u00ed, odpojen\u00ed a po\u017eadavky na pomocn\u00e1 za\u0159\u00edzen\u00ed<\/td><td>Dokumentovan\u00e9 funkce a podporovan\u00e9 p\u0159\u00edslu\u0161enstv\u00ed<\/td><\/tr><tr><td>Koordinace<\/td><td>Identifik\u00e1tory styka\u010de, za\u0159\u00edzen\u00ed p\u0159ed n\u00edm a za n\u00edm<\/td><td>Tabulka p\u0159esn\u00fdch kombinac\u00ed v\u00fdrobc\u016f v p\u0159\u00edpad\u011b uplatn\u011bn\u00ed n\u00e1roku<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n<figure data-spectra-id=\"spectra-371eb72d-1fc1-4d4d-9e39-8bcd531b0b74\" class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/ritoks.com\/wp-content\/uploads\/2026\/09\/MT-037-BODY-01-r2.webp\" alt=\"Vztah p\u0159i v\u00fdb\u011bru MPCB mezi proudem motoru, rozsahem vyp\u00edn\u00e1n\u00ed, poruchovou z\u00e1t\u011b\u017e\u00ed a d\u016fkazy zalo\u017een\u00fdmi na p\u0159esn\u00e9m modelu\" class=\"wp-image-1271\" width=\"1400\" height=\"1050\" srcset=\"https:\/\/ritoks.com\/wp-content\/uploads\/2026\/09\/MT-037-BODY-01-r2.webp 1400w, https:\/\/ritoks.com\/wp-content\/uploads\/2026\/09\/MT-037-BODY-01-r2-600x450.webp 600w, https:\/\/ritoks.com\/wp-content\/uploads\/2026\/09\/MT-037-BODY-01-r2-300x225.webp 300w, https:\/\/ritoks.com\/wp-content\/uploads\/2026\/09\/MT-037-BODY-01-r2-1024x768.webp 1024w, https:\/\/ritoks.com\/wp-content\/uploads\/2026\/09\/MT-037-BODY-01-r2-768x576.webp 768w\" sizes=\"auto, (max-width: 1400px) 100vw, 1400px\" \/><figcaption class=\"wp-element-caption\">Proud motoru, rozsah vyp\u00edn\u00e1n\u00ed a provozn\u00ed zat\u00ed\u017een\u00ed p\u0159i poru\u0161e mus\u00ed v\u0161echny splnit po\u017eadavky na ov\u011b\u0159en\u00ed p\u0159esn\u00e9ho modelu.<\/figcaption><\/figure>\n\n\n<h2 class=\"wp-block-heading\">Za\u010dn\u011bte s motorem a obvodem<\/h2>\n\n<p class=\"wp-block-paragraph\">Zaznamenejte \u00fadaje z typov\u00e9ho \u0161t\u00edtku motoru, nap\u00e1jec\u00ed nap\u011bt\u00ed a frekvenci, proud p\u0159i pln\u00e9m zat\u00ed\u017een\u00ed, uspo\u0159\u00e1d\u00e1n\u00ed f\u00e1z\u00ed a zp\u016fsob spou\u0161t\u011bn\u00ed. Uve\u010fte tak\u00e9 p\u0159edpokl\u00e1danou spou\u0161t\u011bc\u00ed frekvenci, podm\u00ednky zrychlov\u00e1n\u00ed a jak\u00fdkoli provozn\u00ed re\u017eim, kter\u00fd m\u016f\u017ee zp\u016fsobit prodlou\u017een\u00fd proud. Tyto \u00fadaje vysv\u011btluj\u00ed, pro\u010d nelze nastavit rozsah nastaven\u00ed pouze na z\u00e1klad\u011b v\u00fdkonu motoru.<\/p>\n\n<p class=\"wp-block-paragraph\">Zaznamenejte p\u0159edpokl\u00e1dan\u00fd zkratov\u00fd proud v m\u00edst\u011b, kde m\u00e1 b\u00fdt um\u00edst\u011bn jisti\u010d MPCB, odd\u011blen\u011b od b\u011b\u017en\u00e9ho proudu motoru. Jisti\u010d mus\u00ed m\u00edt zdokumentovanou vyp\u00ednac\u00ed schopnost p\u0159i projektov\u00e9m nap\u011bt\u00ed. Pokud nen\u00ed \u00farove\u0148 poruchy zn\u00e1ma, v\u00fdb\u011br p\u0159eru\u0161te a po\u017e\u00e1dejte o v\u00fdpo\u010det, m\u00edsto abyste jako n\u00e1hradu pou\u017eili nastaven\u00ed magnetick\u00e9 spou\u0161t\u011b.<\/p>\n\n<h2 class=\"wp-block-heading\">Spr\u00e1vn\u011b si p\u0159e\u010dt\u011bte nastaviteln\u00fd p\u00e1sek<\/h2>\n\n<p class=\"wp-block-paragraph\">The motor current should fall within the exact model adjustment range, but range inclusion is only the first gate. Ask how the manufacturer instructs the setting to be established and which ambient or enclosure conditions apply. Do not transfer a setting rule from another series. For the separate checks on overload curves, magnetic response and reference conditions, use the <a href=\"https:\/\/ritoks.com\/cs\/mpcb-trip-characteristics\/\">MPCB trip characteristics guide<\/a>.<\/p>\n\n<p class=\"wp-block-paragraph\">GYMP7 je uv\u00e1d\u011bn jako n\u011bkolik zdokumentovan\u00fdch proudov\u00fdch p\u00e1sem nap\u0159\u00ed\u010d dv\u011bma skupinami r\u00e1mc\u016f. Kupuj\u00edc\u00ed by m\u011bl zjistit navrhovan\u00fd objednac\u00ed k\u00f3d a p\u00e1smo a pot\u00e9 ov\u011b\u0159it odpov\u00eddaj\u00edc\u00ed \u00fadaje o nap\u011bt\u00ed a vyp\u00ednac\u00edm proudu. Maxim\u00e1ln\u00ed hodnota pro celou \u0159adu nepopisuje ka\u017ed\u00e9 p\u00e1smo p\u0159i ka\u017ed\u00e9m nap\u011bt\u00ed.<\/p>\n\n<h2 class=\"wp-block-heading\">Samostatn\u00e9 ochrann\u00e9 funkce<\/h2>\n\n<p class=\"wp-block-paragraph\">MPCB m\u016f\u017ee kombinovat funkce ochrany proti p\u0159et\u00ed\u017een\u00ed a zkratu, pokud jsou tyto funkce pro konkr\u00e9tn\u00ed za\u0159\u00edzen\u00ed zdokumentov\u00e1ny. To v\u0161ak neznamen\u00e1, \u017ee jsou zahrnuty v\u0161echny po\u017eadavky na \u0159\u00edzen\u00ed motoru. \u0158\u00eddic\u00ed c\u00edvky, d\u00e1lkov\u00e9 ovl\u00e1d\u00e1n\u00ed, sp\u00edn\u00e1n\u00ed styka\u010d\u016f, chov\u00e1n\u00ed p\u0159i podp\u011bt\u00ed a procesn\u00ed blokov\u00e1n\u00ed z\u016fst\u00e1vaj\u00ed samostatn\u00fdmi funkcemi, pokud konkr\u00e9tn\u00ed konfigurace nestanov\u00ed jinak.<\/p>\n\n<p class=\"wp-block-paragraph\">Pokud dodavatel hovo\u0159\u00ed o ru\u010dn\u00edm sp\u00edna\u010di motoru, zeptejte se, zda se tento pojem vztahuje pouze na samotn\u00fd jisti\u010d, nebo na zdokumentovanou kombinaci. Katalogy spole\u010dnosti ABB uv\u00e1d\u011bj\u00ed ru\u010dn\u00ed sp\u00edna\u010de motoru, styka\u010de a p\u0159et\u00ed\u017eovac\u00ed komponenty jako samostatn\u00e9 polo\u017eky a zve\u0159ej\u0148uj\u00ed \u00fadaje o kompatibilit\u011b pro konkr\u00e9tn\u00ed kombinace. Jde zde o d\u016fsledn\u00e9 dodr\u017eov\u00e1n\u00ed z\u00e1sad, nikoli o kompatibilitu s normou GYMP7.<\/p>\n\n<h2 class=\"wp-block-heading\">Porovnejte nab\u00eddky na stejn\u00e9m z\u00e1klad\u011b<\/h2>\n\n<p class=\"wp-block-paragraph\">Ka\u017edou nab\u00eddku p\u0159izp\u016fsobte tak, aby obsahovala stejn\u00fd typ motoru, nap\u011bt\u00ed a \u00fadaje o poruchov\u00e9m proudu. Porovnejte rozsah nastaven\u00ed, p\u0159esnou hodnotu jmenovit\u00e9ho vyp\u00ednac\u00edho v\u00fdkonu, informace o vypnut\u00ed, ovl\u00e1dac\u00ed a odpojovac\u00ed funkce, zp\u016fsob mont\u00e1\u017ee, svorky a p\u0159\u00edslu\u0161enstv\u00ed. Ni\u017e\u0161\u00ed cena nab\u00eddky zahrnuj\u00edc\u00ed pouze jisti\u010d nen\u00ed srovnateln\u00e1 s cenou nab\u00eddky na kompletn\u00ed spou\u0161t\u011b\u010d.<\/p>\n\n<p class=\"wp-block-paragraph\">Odm\u00edtn\u011bte kombinovan\u00e1 srovn\u00e1n\u00ed zalo\u017een\u00e1 na nejlep\u0161\u00edch mo\u017en\u00fdch sc\u00e9n\u00e1\u0159\u00edch. Nevyb\u00edrejte nej\u0161ir\u0161\u00ed rozsah proudu z jedn\u00e9 varianty, nejvy\u0161\u0161\u00ed vyp\u00ednac\u00ed hodnotu z jin\u00e9ho nap\u011bt\u00ed a obr\u00e1zek p\u0159\u00edslu\u0161enstv\u00ed ze t\u0159et\u00ed varianty. Projektov\u00e1 dokumentace mus\u00ed b\u00fdt spln\u011bna jedn\u00edm objednac\u00edm k\u00f3dem a jeho doprovodn\u00fdmi dokumenty.<\/p>\n\n<h2 class=\"wp-block-heading\">P\u0159ed schv\u00e1len\u00edm si p\u0159ipravte dokumentaci s podklady<\/h2>\n\n<p class=\"wp-block-paragraph\">Vytvo\u0159te jeden kontroln\u00ed list pro navrhovan\u00fd k\u00f3d objedn\u00e1vky MPCB. Do lev\u00e9ho sloupce uve\u010fte vstupn\u00ed \u00fadaje z \u017e\u00e1dosti a do prav\u00e9ho sloupce podklady od dodavatele. Zachovejte alespo\u0148 z\u00e1znamy o motoru, provozn\u00edch podm\u00ednk\u00e1ch p\u0159i poru\u0161e, chov\u00e1n\u00ed p\u0159i vypnut\u00ed a rozsahu \u0159\u00edzen\u00ed a koordinaci. Tak bude jasn\u00e9, kter\u00e9 informace poch\u00e1zej\u00ed z projektu a kter\u00e9 \u00fadaje poch\u00e1zej\u00ed od v\u00fdrobce.<\/p>\n\n<p class=\"wp-block-paragraph\">P\u0159ilo\u017ete p\u0159esn\u011b ty str\u00e1nky z technick\u00e9ho listu, v\u00fdkresy a tabulky, kter\u00e9 byly p\u0159i rozhodov\u00e1n\u00ed pou\u017eity. Zaznamenejte datum jejich revize nebo sta\u017een\u00ed a zv\u00fdrazn\u011bte \u0159\u00e1dek s uveden\u00fdm modelem. E-mail od prodejn\u00edho odd\u011blen\u00ed m\u016f\u017ee objasnit rozsah pou\u017eit\u00ed, nem\u011bl by v\u0161ak bez dal\u0161\u00edho nahrazovat technickou dokumentaci, pokud rozhodnut\u00ed z\u00e1vis\u00ed na v\u00fdkonu, p\u0159ipojen\u00ed, charakteristice vyp\u00edn\u00e1n\u00ed, tepeln\u00e9 meze nebo testovan\u00e9 kombinaci.<\/p>\n\n<p class=\"wp-block-paragraph\">Zkontrolujte, zda ka\u017ed\u00e1 propojen\u00e1 hodnota popisuje stejnou konfiguraci, kterou lze objednat. Podobn\u00e9 n\u00e1zvy model\u016f \u010dasto pou\u017e\u00edvaj\u00ed stejnou sk\u0159\u00ed\u0148, li\u0161\u00ed se v\u0161ak nap\u00e1jen\u00edm \u0159\u00edzen\u00ed, proudov\u00fdm rozsahem, po\u010dtem p\u00f3l\u016f, svorkami, p\u0159\u00edslu\u0161enstv\u00edm nebo provozn\u00edmi podm\u00ednkami. Pokud se dokument vztahuje na n\u011bkolik variant, ozna\u010dte vybran\u00fd \u0159\u00e1dek, m\u00edsto abyste nej\u0161ir\u0161\u00ed rozsah uveden\u00fd na str\u00e1nce pova\u017eovali za specifikaci ka\u017ed\u00e9 varianty.<\/p>\n\n<h2 class=\"wp-block-heading\">Zm\u011bny v \u0159\u00edzen\u00ed b\u011bhem zaji\u0161\u0165ov\u00e1n\u00ed zdroj\u016f<\/h2>\n\n<p class=\"wp-block-paragraph\">Z\u00e1znam o \u017e\u00e1dosti ponechte zmrazen\u00fd, dokud dodavatel\u00e9 p\u0159ipravuj\u00ed nab\u00eddky. Dojde-li ke zm\u011bn\u00e1m nap\u011bt\u00ed, zat\u00ed\u017een\u00ed, provozn\u00edho re\u017eimu, \u00farovn\u011b poruch, krytu nebo zp\u016fsobu provozu, vystavte revidovan\u00fd z\u00e1znam a po\u017e\u00e1dejte ka\u017ed\u00e9ho dodavatele o op\u011btovn\u00e9 potvrzen\u00ed navrhovan\u00e9ho produktu. V opa\u010dn\u00e9m p\u0159\u00edpad\u011b by odd\u011blen\u00ed n\u00e1kupu mohlo porovn\u00e1vat odpov\u011bdi, kter\u00e9 byly p\u0159ipraveny pro odli\u0161n\u00e9 po\u017eadavky, i kdy\u017e p\u0159edm\u011bt e-mailu a produktov\u00e1 \u0159ada z\u016fstaly beze zm\u011bny.<\/p>\n\n<p class=\"wp-block-paragraph\">Stejn\u00e9 pravidlo plat\u00ed i pro n\u00e1hradn\u00ed d\u00edly. N\u00e1hradn\u00ed d\u00edl navr\u017een\u00fd z d\u016fvodu ceny nebo dostupnosti se vrac\u00ed k technick\u00e9mu posouzen\u00ed s vlastn\u00edm objednac\u00edm k\u00f3dem a doklady. Neschvalujte jej pouze proto, \u017ee se jmenovit\u00fd proud, tvar v\u00fdrobku nebo zp\u016fsob mont\u00e1\u017ee podobaj\u00ed p\u016fvodn\u00edmu kandid\u00e1tovi. N\u00e1hrada je dokon\u010dena teprve po op\u011btovn\u00e9 kontrole po\u017eadovan\u00fdch funkc\u00ed a podm\u00ednek.<\/p>\n\n<h2 class=\"wp-block-heading\">\u010cast\u00e9 chyby p\u0159i zad\u00e1v\u00e1n\u00ed ve\u0159ejn\u00fdch zak\u00e1zek<\/h2>\n\n<ul class=\"wp-block-list\"><li>V\u00fdb\u011br MPCB na z\u00e1klad\u011b jedin\u00e9ho hlavn\u00edho hodnocen\u00ed, p\u0159i\u010dem\u017e kontext pou\u017eit\u00ed z\u016fst\u00e1v\u00e1 nedefinov\u00e1n.<\/li><li>Pou\u017eit\u00ed sch\u00e9matu, k\u0159ivky nebo tabulky p\u0159\u00edslu\u0161enstv\u00ed z p\u0159\u00edbuzn\u00e9ho modelu bez potvrzen\u00ed rozsahu.<\/li><li>Pova\u017eov\u00e1n\u00ed str\u00e1nky s kategori\u00ed produkt\u016f nebo marketingov\u00e9ho obr\u00e1zku za d\u016fkaz o konkr\u00e9tn\u00edm modelu.<\/li><li>Porovn\u00e1n\u00ed cenov\u00e9 nab\u00eddky pouze na za\u0159\u00edzen\u00ed s cenovou nab\u00eddkou zahrnuj\u00edc\u00ed mont\u00e1\u017e nebo p\u0159\u00edslu\u0161enstv\u00ed.<\/li><li>Umo\u017enit, aby p\u0159i revizi obchodn\u00ed nab\u00eddky zmizela nevy\u0159e\u0161en\u00e1 technick\u00e1 oblast.<\/li><\/ul>\n\n<p class=\"wp-block-paragraph\">Tyto chyby je t\u0159eba odstranit je\u0161t\u011b p\u0159ed komer\u010dn\u00edm srovn\u00e1n\u00edm. Technick\u00fd revizor by m\u011bl b\u00fdt schopen ka\u017ed\u00e9 schv\u00e1len\u00e9 tvrzen\u00ed dohledat v projektov\u00e9 dokumentaci nebo v konkr\u00e9tn\u00edm navrhovan\u00e9m dokumentu, ani\u017e by se musel spol\u00e9hat na pam\u011b\u0165. Odd\u011blen\u00ed n\u00e1kupu pak m\u016f\u017ee porovnat cenu, mno\u017estv\u00ed, m\u00edsto ur\u010den\u00ed a dodac\u00ed lh\u016ftu s pevn\u011b stanovenou technickou z\u00e1kladnou, m\u00edsto aby po zad\u00e1n\u00ed objedn\u00e1vky muselo v\u00fdb\u011brov\u00e9 \u0159\u00edzen\u00ed znovu otev\u00edrat.<\/p>\n\n<h2 class=\"wp-block-heading\">Jak porovnat nab\u00eddky dodavatel\u016f<\/h2>\n\n<p class=\"wp-block-paragraph\">Porovnejte ka\u017edou nab\u00eddku MPCB s jedn\u00edm zmrazen\u00fdm z\u00e1znamem o \u017e\u00e1dosti. Nekombinujte nejlep\u0161\u00ed hodnoty z n\u011bkolika variant a nep\u0159ij\u00edmejte maxim\u00e1ln\u00ed hodnotu pro danou skupinu jako hodnotu uvedenou v k\u00f3du objedn\u00e1vky. U ka\u017ed\u00e9 hodnoty uve\u010fte revizi dokumentu, zku\u0161ebn\u00ed podm\u00ednky a nevypln\u011bn\u00e1 pole, aby odd\u011blen\u00ed n\u00e1kupu mohlo posoudit, zda jsou dv\u011b nab\u00eddky skute\u010dn\u011b rovnocenn\u00e9.<\/p>\n\n<figure class=\"wp-block-table\"><table><thead><tr><th>Srovn\u00e1vac\u00ed bod<\/th><th>Po\u017eadovan\u00e9 d\u016fkazy<\/th><th>Nep\u0159ij\u00edmejte<\/th><\/tr><\/thead><tbody><tr><td>\u00daprava<\/td><td>P\u00e1smo \u201eExact\u201c zahrnuje proud motoru; zp\u016fsob nastaven\u00ed je uveden v dod\u00e1vce<\/td><td>Pouze aktu\u00e1ln\u00ed \u0159ada pro dom\u00e1cnosti<\/td><\/tr><tr><td>P\u0159eru\u0161en\u00ed<\/td><td>Maksim\u00e1ln\u00ed proud p\u0159i projektov\u00e9m nap\u011bt\u00ed a konfiguraci<\/td><td>Jednotn\u00e1 hodnota v kA bez podm\u00ednek<\/td><\/tr><tr><td>Funkce<\/td><td>Dokumentace funkc\u00ed v\u00fdlet\u016f a provozovatel\u016f<\/td><td>Jak vypl\u00fdv\u00e1 z n\u00e1zvu MPCB<\/td><\/tr><tr><td>Kombinace<\/td><td>P\u0159esn\u00fd z\u00e1znam o otestovan\u00e9 kombinaci v p\u0159\u00edpad\u011b uplatn\u011bn\u00ed n\u00e1roku<\/td><td>Spole\u010dn\u00e1 zna\u010dka nebo shodn\u00fd rozsah proudu<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n<figure data-spectra-id=\"spectra-12afac6a-930d-40cb-bdfe-5384dc32ae7b\" class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/ritoks.com\/wp-content\/uploads\/2026\/09\/MT-037-BODY-02-r2.webp\" alt=\"Vztah mezi z\u00e1znamy o MPCB, styka\u010di a p\u0159ed\u0159azen\u00fdch ochrann\u00fdch za\u0159\u00edzen\u00edch a p\u0159esnou koordina\u010dn\u00ed tabulkou\" class=\"wp-image-1272\" width=\"1400\" height=\"1050\" srcset=\"https:\/\/ritoks.com\/wp-content\/uploads\/2026\/09\/MT-037-BODY-02-r2.webp 1400w, https:\/\/ritoks.com\/wp-content\/uploads\/2026\/09\/MT-037-BODY-02-r2-600x450.webp 600w, https:\/\/ritoks.com\/wp-content\/uploads\/2026\/09\/MT-037-BODY-02-r2-300x225.webp 300w, https:\/\/ritoks.com\/wp-content\/uploads\/2026\/09\/MT-037-BODY-02-r2-1024x768.webp 1024w, https:\/\/ritoks.com\/wp-content\/uploads\/2026\/09\/MT-037-BODY-02-r2-768x576.webp 768w\" sizes=\"auto, (max-width: 1400px) 100vw, 1400px\" \/><figcaption class=\"wp-element-caption\">Koordina\u010dn\u00ed \u017e\u00e1dost vy\u017eaduje jeden dokument, v n\u011bm\u017e jsou uvedeny p\u0159esn\u00e9 k\u00f3dy v\u0161ech jednotliv\u00fdch komponent.<\/figcaption><\/figure>\n\n\n<p class=\"wp-block-paragraph\">Nab\u00eddka m\u016f\u017ee b\u00fdt z obchodn\u00edho hlediska zaj\u00edmav\u00e1, i kdy\u017e je z technick\u00e9ho hlediska ne\u00fapln\u00e1. Chyb\u011bj\u00edc\u00ed \u00fadaje ozna\u010dte jako otev\u0159enou polo\u017eku a po\u017e\u00e1dejte dodavatele o p\u0159esnou str\u00e1nku, v\u00fdkres nebo kombinovanou tabulku. Cenu a dodac\u00ed lh\u016ftu je t\u0159eba porovn\u00e1vat a\u017e po up\u0159esn\u011bn\u00ed technick\u00e9ho rozsahu. T\u00edm se zabr\u00e1n\u00ed tomu, aby se levn\u011bj\u0161\u00ed, ale u\u017e\u0161\u00ed nab\u00eddka jevila jako rovnocenn\u00e1 s kompletn\u00edm, \u0159\u00e1dn\u011b zdokumentovan\u00fdm \u0159e\u0161en\u00edm.<\/p>\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 \u00fadaje z typov\u00e9ho \u0161t\u00edtku motoru a informace o provozn\u00edch podm\u00ednk\u00e1ch.<\/li><li>Zjist\u011bte p\u0159edpokl\u00e1dan\u00fd poruchov\u00fd proud v m\u00edst\u011b, kde je um\u00edst\u011bn MPCB.<\/li><li>Vyberte p\u00e1smo pro \u00fapravu kandid\u00e1ta tak, aby nedo\u0161lo k p\u0159ekro\u010den\u00ed hranic modelu.<\/li><li>Ov\u011b\u0159te nap\u011bt\u00ed, vyp\u00ednac\u00ed schopnost a chov\u00e1n\u00ed p\u0159i vypnut\u00ed pro konkr\u00e9tn\u00ed objednac\u00ed k\u00f3d.<\/li><li>Zkontrolujte svorky, upevn\u011bn\u00ed, p\u0159\u00edslu\u0161enstv\u00ed a mezn\u00ed hodnoty prost\u0159ed\u00ed.<\/li><li>Vy\u017e\u00e1dejte si p\u0159esn\u00e9 \u00fadaje o koordinaci pro jakoukoli navrhovanou kombinaci styka\u010de a spou\u0161t\u011b\u010de.<\/li><\/ul>\n\n<p class=\"wp-block-paragraph\">V ka\u017ed\u00e9m kroku je t\u0159eba zachovat hranici mezi vstupy projektu a podklady dodavatele. Projektov\u00fd t\u00fdm definuje aplikaci a po\u017eadovan\u00e9 funkce; dodavatel ur\u010d\u00ed konkr\u00e9tn\u00ed produkt a poskytne k n\u011bmu p\u0159\u00edslu\u0161nou dokumentaci. \u017d\u00e1dn\u00e1 ze stran by nem\u011bla vypl\u0148ovat mezery v podkladech na z\u00e1klad\u011b domn\u011bnek vych\u00e1zej\u00edc\u00edch z vn\u011bj\u0161\u00edho vzhledu, podobn\u00e9ho modelu nebo spole\u010dn\u00e9ho celkov\u00e9ho hodnocen\u00ed.<\/p>\n\n<h2 class=\"wp-block-heading\">Kontroln\u00ed seznam pro p\u0159\u00edpravu \u017e\u00e1dosti o nab\u00eddku<\/h2>\n\n<p class=\"wp-block-paragraph\">U\u017eite\u010dn\u00e1 popt\u00e1vka slou\u017e\u00edc\u00ed jako pr\u016fvodce pro v\u00fdb\u011br jisti\u010d\u016f pro ochranu motor\u016f by m\u011bla b\u00fdt dostate\u010dn\u011b stru\u010dn\u00e1, aby na ni bylo mo\u017en\u00e9 odpov\u011bd\u011bt, ale z\u00e1rove\u0148 dostate\u010dn\u011b \u00fapln\u00e1, aby se p\u0159ede\u0161lo skryt\u00fdm p\u0159edpoklad\u016fm. P\u0159ilo\u017ete dostupnou projektovou dokumentaci a nezn\u00e1m\u00e9 hodnoty uve\u010fte ve form\u011b ot\u00e1zek. Po\u017e\u00e1dejte dodavatele, aby ve sv\u00e9 odpov\u011bdi uvedl p\u0159esn\u00fd objednac\u00ed k\u00f3d, nikoli pouze obecn\u00e9 doporu\u010den\u00ed t\u00fdkaj\u00edc\u00ed se produktov\u00e9 \u0159ady.<\/p>\n\n<ul class=\"wp-block-list\"><li>V\u00fdkon motoru a jmenovit\u00e9 nap\u011bt\u00ed\/proud<\/li><li>Nap\u00e1jec\u00ed frekvence, f\u00e1ze a zp\u016fsob spou\u0161t\u011bn\u00ed<\/li><li>P\u0159edpokl\u00e1dan\u00fd zkratov\u00fd proud<\/li><li>Po\u017eadovan\u00fd rozsah nastaven\u00ed a ochrann\u00e9 funkce<\/li><li>Mont\u00e1\u017e, kryt a provozn\u00ed podm\u00ednky<\/li><li>P\u0159esn\u00fd k\u00f3d modelu a revize dokumentace<\/li><li>Mno\u017estv\u00ed a m\u00edsto ur\u010den\u00ed<\/li><\/ul>\n\n<p class=\"wp-block-paragraph\">Vy\u017e\u00e1dejte si aktu\u00e1ln\u00ed verzi technick\u00e9ho listu a ov\u011b\u0159te rozsah p\u0159\u00edpadn\u00fdch certifikac\u00ed, koordinace nebo prohl\u00e1\u0161en\u00ed o kompatibilit\u011b. Pokud bude v odpov\u011bdi navr\u017eena n\u00e1hrada, vy\u017e\u00e1dejte si stejnou sadu doklad\u016f i pro tuto n\u00e1hradu. Zaznamenejte mno\u017estv\u00ed a m\u00edsto ur\u010den\u00ed a\u017e po technick\u00fdch \u00fadaj\u00edch, aby obchodn\u00ed podm\u00ednky nezast\u00ednily nevy\u0159e\u0161en\u00e9 technick\u00e9 ot\u00e1zky.<\/p>\n\n<h2 class=\"wp-block-heading\">Podm\u00ednky zastaven\u00ed p\u0159ed vyd\u00e1n\u00edm objedn\u00e1vky<\/h2>\n\n<p class=\"wp-block-paragraph\">Objedn\u00e1vku nevyd\u00e1vejte, pokud nen\u00ed zn\u00e1m \u00fadaj z\u00e1sadn\u00ed pro zve\u0159ejn\u011bn\u00ed, pokud je uveden\u00fd model nejednozna\u010dn\u00fd nebo pokud je po\u017eadovan\u00e9 hodnocen\u00ed podlo\u017eeno pouze dokumentem jin\u00e9ho v\u00fdrobce. Zastavte proces tak\u00e9 v p\u0159\u00edpad\u011b, \u017ee v popisu kombinace chyb\u00ed p\u0159esn\u00e9 k\u00f3dy komponent nebo pokud je sch\u00e9ma opakovan\u011b pou\u017e\u00edv\u00e1no nap\u0159\u00ed\u010d produktov\u00fdmi \u0159adami. Jedn\u00e1 se o mezery v podkladech, nikoli o redak\u010dn\u00ed detaily.<\/p>\n\n<p class=\"wp-block-paragraph\">Z\u00e1znam o kone\u010dn\u00e9m schv\u00e1len\u00ed by m\u011bl uv\u00e1d\u011bt, k \u010demu vybran\u00e1 polo\u017eka slou\u017e\u00ed, co nespad\u00e1 do jej\u00edho rozsahu a kter\u00e9 konkr\u00e9tn\u00ed dokumenty toto rozhodnut\u00ed podkl\u00e1daj\u00ed. Dojde-li ke zm\u011bn\u00e1m v oblasti pou\u017eit\u00ed, \u00fa\u010delu, prost\u0159ed\u00ed nebo navrhovan\u00e9ho modelu, je t\u0159eba p\u0159\u00edslu\u0161n\u00e9 kontroly prov\u00e9st znovu, m\u00edsto aby se p\u0159eb\u00edral p\u0159edchoz\u00ed z\u00e1v\u011br.<\/p>\n\n<h2 class=\"wp-block-heading\">\u010casto kladen\u00e9 ot\u00e1zky<\/h2>\n\n<h3 class=\"wp-block-heading\">Mohu ur\u010dit velikost MPCB pouze na z\u00e1klad\u011b v\u00fdkonu motoru v kW?<\/h3>\n\n<p class=\"wp-block-paragraph\">Ne. Je t\u0159eba uv\u00e9st tak\u00e9 nap\u011bt\u00ed, proud, spou\u0161t\u011bc\u00ed zat\u00ed\u017een\u00ed, \u00farove\u0148 poruchy a p\u0159esn\u00e9 \u00fadaje v\u00fdrobce.<\/p>\n\n<h3 class=\"wp-block-heading\">Odstra\u0148uje MPCB pot\u0159ebu styka\u010de?<\/h3>\n\n<p class=\"wp-block-paragraph\">Ne automaticky. Rozsah sp\u00edn\u00e1n\u00ed a \u0159\u00edzen\u00ed mus\u00ed b\u00fdt definov\u00e1n odd\u011blen\u011b od ochrann\u00fdch funkc\u00ed.<\/p>\n\n<h3 class=\"wp-block-heading\">M\u016f\u017ee shoda rozsah\u016f proudu dok\u00e1zat koordinaci?<\/h3>\n\n<p class=\"wp-block-paragraph\">Ne. U n\u00e1rok\u016f na koordinaci je zapot\u0159eb\u00ed p\u0159esn\u00fd z\u00e1znam o kombinaci, kter\u00fd pro\u0161el v\u00fdrobcem prov\u011b\u0159en\u00fdmi testy.<\/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 odkazy pou\u017eijte jako samostatn\u00e9 z\u00e1znamy o kategori\u00edch, produktech a vzd\u011bl\u00e1vac\u00edch materi\u00e1lech. Kontextov\u00fd odkaz neimplikuje zam\u011bnitelnost, kompatibilitu ani koordinovanou kombinaci.<\/p>\n\n<p class=\"wp-block-paragraph\"><a href=\"https:\/\/ritoks.com\/cs\/product-category\/ac-power-protection\/motor-protection-circuit-breakers\/\">Produktov\u00e1 kategorie MPCB<\/a><\/p>\n\n<p class=\"wp-block-paragraph\"><a href=\"https:\/\/ritoks.com\/cs\/products\/gymp7-three-phase-motor-protection-circuit-breakers\/\">Jisti\u010de pro ochranu motor\u016f GYMP7<\/a><\/p>\n\n<p class=\"wp-block-paragraph\"><a href=\"https:\/\/ritoks.com\/cs\/mpcb-vs-overload-relay-vs-mcb\/\">MPCB vs. tepeln\u00e9 p\u0159et\u00ed\u017ekov\u00e9 rel\u00e9 vs. MCB<\/a><\/p>\n\n<h2 class=\"wp-block-heading\">Technick\u00e9 odkazy<\/h2>\n\n<p class=\"wp-block-paragraph\">N\u00e1sleduj\u00edc\u00ed autoritativn\u00ed zdroje potvrzuj\u00ed pouze obecn\u00e9 principy uveden\u00e9 n\u00ed\u017ee. \u00dadaje o vlastnostech produkt\u016f, sch\u00e9mata, kombinace a schv\u00e1len\u00ed z t\u011bchto zdroj\u016f se nevztahuj\u00ed na v\u00fdrobky spole\u010dnosti RITOKS.<\/p>\n\n<p class=\"wp-block-paragraph\"><a href=\"https:\/\/electrification.us.abb.com\/control_pdf\" target=\"_blank\" rel=\"noopener\">ABB, Katalog \u0159\u00eddic\u00edch za\u0159\u00edzen\u00ed: Ru\u010dn\u00ed spou\u0161t\u011b\u010de motor\u016f podle normy IEC<\/a><\/p>\n\n<p class=\"wp-block-paragraph\">Podporuje rozli\u0161en\u00ed mezi ru\u010dn\u00edmi spou\u0161t\u011b\u010di motor\u016f, styka\u010di a rel\u00e9mi proti p\u0159et\u00ed\u017een\u00ed a zd\u016fraz\u0148uje nutnost pou\u017e\u00edvat p\u0159esn\u00e9 koordina\u010dn\u00ed tabulky. \u00dadaje o modelech ABB se do GYMP7 nep\u0159en\u00e1\u0161ej\u00ed.<\/p>\n\n<p class=\"wp-block-paragraph\"><a href=\"https:\/\/library.e.abb.com\/public\/5e32edbf30254c17b51cf5dd9ba841ab\/1SAC200017M0002_en_C_Contactors%20and%20Overload%20relays%20guide.pdf\" target=\"_blank\" rel=\"noopener\">ABB, Pr\u016fvodce styka\u010di a rel\u00e9mi proti p\u0159et\u00ed\u017een\u00ed<\/a><\/p>\n\n<p class=\"wp-block-paragraph\">Podporuje samostatn\u00e1 rozhodnut\u00ed ohledn\u011b ochrany proti p\u0159et\u00ed\u017een\u00ed a zkratu a rozhodnut\u00ed o koordinaci. Jejich kombinace jsou k dispozici pouze u spole\u010dnosti ABB.<\/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, konkr\u00e9tn\u00ed dotazy t\u00fdkaj\u00edc\u00ed se dokumentace, mno\u017estv\u00ed a m\u00edsto ur\u010den\u00ed prost\u0159ednictv\u00edm kontaktn\u00edho formul\u00e1\u0159e RITOKS. \u017d\u00e1dost o cenovou nab\u00eddku vy\u017eaduje posouzen\u00ed konkr\u00e9tn\u00edho modelu; tento pr\u016fvodce neschvaluje n\u00e1vrh zapojen\u00ed, instalaci ani 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>Vyberte MPCB podle proudu motoru, rozsahu vyp\u00edn\u00e1n\u00ed, \u00farovn\u011b poruchy a p\u0159esn\u00fdch \u00fadaj\u016f o koordinaci. 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