{"id":18853,"date":"2025-07-23T20:49:52","date_gmt":"2025-07-23T12:49:52","guid":{"rendered":"https:\/\/viox.com\/?p=18853"},"modified":"2025-07-23T20:49:57","modified_gmt":"2025-07-23T12:49:57","slug":"iec-60898-1-vs-iec-60947-2","status":"publish","type":"post","link":"https:\/\/test.viox.com\/cs\/iec-60898-1-vs-iec-60947-2\/","title":{"rendered":"IEC 60898-1 vs. IEC 60947-2: Kompletn\u00ed pr\u016fvodce normami pro elektrick\u00e9 jisti\u010de"},"content":{"rendered":"<div class=\"product-intro\">\n<p><strong>Normy IEC 60898-1 a IEC 60947-2 jsou dv\u011b hlavn\u00ed mezin\u00e1rodn\u00ed normy upravuj\u00edc\u00ed konstrukci a v\u00fdkon jisti\u010d\u016f.<\/strong> Norma IEC 60898-1 zahrnuje <a href=\"https:\/\/test.viox.com\/cs\/mcb\/\">miniaturn\u00ed jisti\u010de (MCB)<\/a> pro reziden\u010dn\u00ed a lehk\u00e9 komer\u010dn\u00ed pou\u017eit\u00ed, zat\u00edmco IEC 60947-2 se zab\u00fdv\u00e1 <a href=\"https:\/\/test.viox.com\/cs\/mccb\/\">jisti\u010de v lisovan\u00e9m pouzd\u0159e (MCCB)<\/a> pro pr\u016fmyslov\u00e9 a t\u011b\u017ek\u00e9 komer\u010dn\u00ed aplikace. Pochopen\u00ed t\u011bchto norem zaji\u0161\u0165uje spr\u00e1vn\u00fd v\u00fdb\u011br ochrany obvodu a shodu s p\u0159edpisy.<\/p>\n<h2>Co jsou normy IEC 60898-1 a IEC 60947-2?<\/h2>\n<p><img fetchpriority=\"high\" decoding=\"async\" class=\"alignnone size-full wp-image-17468\" src=\"https:\/\/test.viox.com\/wp-content\/uploads\/2025\/06\/VIOX-MCB-MCCB-Factory-workshop06.webp\" alt=\"\" width=\"800\" height=\"450\" srcset=\"https:\/\/test.viox.com\/wp-content\/uploads\/2025\/06\/VIOX-MCB-MCCB-Factory-workshop06.webp 800w, https:\/\/test.viox.com\/wp-content\/uploads\/2025\/06\/VIOX-MCB-MCCB-Factory-workshop06-300x169.webp 300w, https:\/\/test.viox.com\/wp-content\/uploads\/2025\/06\/VIOX-MCB-MCCB-Factory-workshop06-768x432.webp 768w, https:\/\/test.viox.com\/wp-content\/uploads\/2025\/06\/VIOX-MCB-MCCB-Factory-workshop06-18x10.webp 18w, https:\/\/test.viox.com\/wp-content\/uploads\/2025\/06\/VIOX-MCB-MCCB-Factory-workshop06-600x338.webp 600w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/><\/p>\n<h3>Definice IEC 60898-1<\/h3>\n<p>IEC 60898-1 je mezin\u00e1rodn\u00ed norma s n\u00e1zvem \u201eElektrick\u00e9 p\u0159\u00edslu\u0161enstv\u00ed \u2013 Jisti\u010de pro nadproudovou ochranu pro domovn\u00ed a podobn\u00e9 instalace\u201c. Tato norma konkr\u00e9tn\u011b upravuje <strong>miniaturn\u00ed jisti\u010de (MCB)<\/strong> Jmenovit\u00fd proud a\u017e 125 A a navr\u017een\u00fd p\u0159edev\u0161\u00edm pro reziden\u010dn\u00ed, kancel\u00e1\u0159sk\u00e9 a lehk\u00e9 komer\u010dn\u00ed aplikace.<\/p>\n<h3>Definice IEC 60947-2<\/h3>\n<p>Norma IEC 60947-2 spad\u00e1 do \u0161ir\u0161\u00ed \u0159ady norem IEC 60947, kter\u00e1 zahrnuje \u201en\u00edzkonap\u011b\u0165ov\u00e9 rozv\u00e1d\u011b\u010de a \u0159\u00eddic\u00ed p\u0159\u00edstroje\u201c. \u010c\u00e1st 2 se konkr\u00e9tn\u011b zab\u00fdv\u00e1... <strong>jisti\u010de pro aplikace v za\u0159\u00edzen\u00edch<\/strong>, zahrnuj\u00edc\u00ed jisti\u010de v lisovan\u00e9m pouzd\u0159e (MCCB) a dal\u0161\u00ed pr\u016fmyslov\u00e1 ochrann\u00e1 za\u0159\u00edzen\u00ed s jmenovit\u00fdm proudem od 125 A do n\u011bkolika tis\u00edc amp\u00e9r\u016f.<\/p>\n<h2>Kl\u00ed\u010dov\u00e9 rozd\u00edly mezi normami IEC 60898-1 a IEC 60947-2<\/h2>\n<p>Zde je tabulka, kter\u00e1 ukazuje z\u00e1kladn\u00ed rozd\u00edly mezi t\u011bmito dv\u011bma kl\u00ed\u010dov\u00fdmi elektrick\u00fdmi normami:<\/p>\n<table>\n<tbody>\n<tr>\n<th>Funkce<\/th>\n<th>IEC 60898-1 (jisti\u010de)<\/th>\n<th>IEC 60947-2 (jisti\u010de)<\/th>\n<\/tr>\n<tr>\n<td><strong>Rozsah jmenovit\u00e9ho proudu<\/strong><\/td>\n<td>A\u017e 125 A<\/td>\n<td>125 A a\u017e 6 300 A+<\/td>\n<\/tr>\n<tr>\n<td><strong>Prim\u00e1rn\u00ed aplikace<\/strong><\/td>\n<td>Reziden\u010dn\u00ed, kancel\u00e1\u0159sk\u00e9, lehk\u00e9 komer\u010dn\u00ed<\/td>\n<td>Pr\u016fmyslov\u00e9, t\u011b\u017ek\u00e9 komer\u010dn\u00ed, distribu\u010dn\u00ed<\/td>\n<\/tr>\n<tr>\n<td><strong>P\u0159eru\u0161ovac\u00ed kapacita<\/strong><\/td>\n<td>A\u017e 25 kA (typicky: 6\u201310 kA)<\/td>\n<td>A\u017e 200 kA+<\/td>\n<\/tr>\n<tr>\n<td><strong>Fyzick\u00e1 Velikost<\/strong><\/td>\n<td>Kompaktn\u00ed modul\u00e1rn\u00ed design<\/td>\n<td>V\u011bt\u0161\u00ed lisovan\u00e1 konstrukce pouzdra<\/td>\n<\/tr>\n<tr>\n<td><strong>Zp\u016fsob instalace<\/strong><\/td>\n<td><a href=\"https:\/\/test.viox.com\/cs\/din-rail\/\">Li\u0161ta DIN<\/a> mont\u00e1\u017e<\/td>\n<td>Mont\u00e1\u017e do panelu\/\u0161asi<\/td>\n<\/tr>\n<tr>\n<td><strong>Koordina\u010dn\u00ed t\u0159\u00edda<\/strong><\/td>\n<td>Typ 1 a typ 2<\/td>\n<td>Komplexn\u00ed po\u017eadavky na koordinaci<\/td>\n<\/tr>\n<tr>\n<td><strong>Po\u017eadavky na testov\u00e1n\u00ed<\/strong><\/td>\n<td>Zjednodu\u0161en\u00e9 testov\u00e1n\u00ed v obytn\u00fdch prostor\u00e1ch<\/td>\n<td>Rozs\u00e1hl\u00e9 protokoly pr\u016fmyslov\u00e9ho testov\u00e1n\u00ed<\/td>\n<\/tr>\n<tr>\n<td><strong>Selektivn\u00ed funkce<\/strong><\/td>\n<td>Z\u00e1kladn\u00ed k\u0159ivky \u010das-proud<\/td>\n<td>Pokro\u010dil\u00e1 selektivn\u00ed koordinace<\/td>\n<\/tr>\n<tr>\n<td><strong>Hodnocen\u00ed \u017eivotn\u00edho prost\u0159ed\u00ed<\/strong><\/td>\n<td>Standardn\u00ed vnit\u0159n\u00ed podm\u00ednky<\/td>\n<td>N\u00e1ro\u010dn\u00e9 pr\u016fmyslov\u00e9 prost\u0159ed\u00ed<\/td>\n<\/tr>\n<tr>\n<td><strong>N\u00e1klady Rozsah<\/strong><\/td>\n<td>$10-100 na p\u00f3l<\/td>\n<td>$100\u201310 000+ na za\u0159\u00edzen\u00ed<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h2>Aplikace a p\u0159\u00edpady pou\u017eit\u00ed<\/h2>\n<h3>Aplikace dle IEC 60898-1<\/h3>\n<p><strong>Miniaturn\u00ed jisti\u010de dle normy IEC 60898-1 jsou ur\u010deny pro:<\/strong><\/p>\n<ul>\n<li>Elektrick\u00e9 rozvad\u011b\u010de a rozvad\u011b\u010de pro dom\u00e1cnosti<\/li>\n<li>Kancel\u00e1\u0159sk\u00e9 budovy a komer\u010dn\u00ed osv\u011btlovac\u00ed okruhy<\/li>\n<li>Ochrana mal\u00e9ho motoru (obvykle do 32 A)<\/li>\n<li>Za\u0159\u00edzen\u00ed HVAC v komer\u010dn\u00edch budov\u00e1ch<\/li>\n<li>Elektrick\u00e9 z\u00e1suvky a univerz\u00e1ln\u00ed obvody<\/li>\n<li>Ochrana instalace sol\u00e1rn\u00edch panel\u016f<\/li>\n<\/ul>\n<h3>Aplikace podle IEC 60947-2<\/h3>\n<p><strong>Kompaktn\u00ed jisti\u010de podle normy IEC 60947-2 slou\u017e\u00ed:<\/strong><\/p>\n<ul>\n<li>\u0158\u00eddic\u00ed centra pr\u016fmyslov\u00fdch motor\u016f (MCC)<\/li>\n<li>Hlavn\u00ed odpojova\u010de velk\u00fdch komer\u010dn\u00edch budov<\/li>\n<li>Ochrana v\u00fdrobn\u00edho za\u0159\u00edzen\u00ed<\/li>\n<li>Rozvodny energie<\/li>\n<li>Ochrana gener\u00e1toru a transform\u00e1toru<\/li>\n<li>Kritick\u00e1 infrastruktura a datov\u00e1 centra<\/li>\n<\/ul>\n<blockquote><p><strong>\u26a0\ufe0f Bezpe\u010dnostn\u00ed upozorn\u011bn\u00ed:<\/strong> P\u0159i v\u00fdb\u011bru jisti\u010d\u016f pro pr\u016fmyslov\u00e9 aplikace se v\u017edy pora\u010fte s kvalifikovan\u00fdm elektrotechnikem. Nespr\u00e1vn\u00fd v\u00fdb\u011br m\u016f\u017ee v\u00e9st k po\u0161kozen\u00ed za\u0159\u00edzen\u00ed, nebezpe\u010d\u00ed po\u017e\u00e1ru nebo \u00farazu elektrick\u00fdm proudem.<\/p><\/blockquote>\n<h2>Porovn\u00e1n\u00ed technick\u00fdch specifikac\u00ed<\/h2>\n<h3>Po\u017eadavky na vyp\u00ednac\u00ed schopnost<\/h3>\n<p><strong>Kategorie vyp\u00ednac\u00ed schopnosti dle IEC 60898-1:<\/strong><\/p>\n<ul>\n<li><strong>6kA:<\/strong> Standardn\u00ed reziden\u010dn\u00ed aplikace<\/li>\n<li><strong>10kA:<\/strong> Vylep\u0161en\u00e9 reziden\u010dn\u00ed a lehk\u00e9 komer\u010dn\u00ed prostory<\/li>\n<li><strong>25 kA:<\/strong> Reziden\u010dn\u00ed syst\u00e9my s vysok\u00fdm poruchov\u00fdm proudem<\/li>\n<\/ul>\n<p><strong>Kategorie vyp\u00ednac\u00ed schopnosti dle IEC 60947-2:<\/strong><\/p>\n<ul>\n<li><strong>Kategorie slu\u017eeb A:<\/strong> 25 kA a\u017e 50 kA pro v\u0161eobecn\u00e9 pr\u016fmyslov\u00e9 pou\u017eit\u00ed<\/li>\n<li><strong>Kategorie slu\u017eeb B:<\/strong> 65 kA a\u017e 200 kA+ pro energetick\u00e9 a t\u011b\u017ek\u00fd pr\u016fmysl<\/li>\n<\/ul>\n<h3>Koordina\u010dn\u00ed po\u017eadavky<\/h3>\n<p>Norma IEC 60898-1 definuje dva typy koordinace:<\/p>\n<ul>\n<li><strong>Typ 1:<\/strong> Z\u00e1kladn\u00ed ochrana umo\u017e\u0148uj\u00edc\u00ed ur\u010dit\u00e9 kontaktn\u00ed sva\u0159ov\u00e1n\u00ed<\/li>\n<li><strong>Typ 2:<\/strong> Zv\u00fd\u0161en\u00e1 ochrana zabra\u0148uj\u00edc\u00ed po\u0161kozen\u00ed kontakt\u016f<\/li>\n<\/ul>\n<p>Norma IEC 60947-2 vy\u017eaduje komplexn\u00ed studie selektivn\u00ed koordinace, kter\u00e9 zaji\u0161\u0165uj\u00ed spr\u00e1vnou diskriminaci poruchov\u00e9ho proudu v cel\u00e9m elektrick\u00e9m syst\u00e9mu.<\/p>\n<h2>Jak si vybrat mezi IEC 60898-1 a IEC 60947-2<\/h2>\n<h3>R\u00e1mec krit\u00e9ri\u00ed v\u00fdb\u011bru<\/h3>\n<p><strong>Zvolte normu IEC 60898-1 (jisti\u010de), pokud:<\/strong><\/p>\n<ol>\n<li>Jmenovit\u00fd proud je 125 A nebo m\u00e9n\u011b<\/li>\n<li>Pou\u017eit\u00ed je reziden\u010dn\u00ed nebo lehk\u00e9 komer\u010dn\u00ed<\/li>\n<li>Mont\u00e1\u017e na DIN li\u0161tu je preferov\u00e1na<\/li>\n<li>Prostorov\u00e1 omezen\u00ed vy\u017eaduj\u00ed kompaktn\u00ed design<\/li>\n<li>Rozpo\u010dtov\u00e9 aspekty up\u0159ednost\u0148uj\u00ed levn\u011bj\u0161\u00ed \u0159e\u0161en\u00ed<\/li>\n<li>Posta\u010duje jednoduch\u00e1 koordinace \u010dasu a proudu<\/li>\n<\/ol>\n<p><strong>Zvolte normu IEC 60947-2 (jisti\u010de), pokud:<\/strong><\/p>\n<ol>\n<li>Jmenovit\u00fd proud p\u0159esahuje 125 A<\/li>\n<li>Pr\u016fmyslov\u00e9 nebo t\u011b\u017ek\u00e9 komer\u010dn\u00ed aplikace<\/li>\n<li>O\u010dek\u00e1vaj\u00ed se vysok\u00e9 \u00farovn\u011b poruchov\u00e9ho proudu (&gt;25 kA)<\/li>\n<li>Vy\u017eaduje se pokro\u010dil\u00e1 selektivn\u00ed koordinace<\/li>\n<li>P\u0159\u00edtomn\u00e9 drsn\u00e9 podm\u00ednky prost\u0159ed\u00ed<\/li>\n<li>Nutn\u00e1 integrace s \u0159\u00eddic\u00edmi centry motor\u016f<\/li>\n<\/ol>\n<h3>Tipy pro experty p\u0159i v\u00fdb\u011bru<\/h3>\n<blockquote><p><strong>\ud83d\udca1 Tip pro profesion\u00e1ly:<\/strong> Pokud studie poruchov\u00fdch proud\u016f nazna\u010duj\u00ed, \u017ee v reziden\u010dn\u00edch aplikac\u00edch je k dispozici poruchov\u00fd proud nad 10 kA, zva\u017ete sp\u00ed\u0161e p\u0159echod na jisti\u010de s vy\u0161\u0161\u00ed vyp\u00ednac\u00ed schopnost\u00ed podle normy IEC 60898-1 ne\u017e p\u0159echod na p\u0159\u00edstroje podle normy IEC 60947-2.<\/p>\n<p><strong>\ud83d\udca1 Tip pro profesion\u00e1ly:<\/strong> Pro komer\u010dn\u00ed budovy se sm\u00ed\u0161en\u00fdm zat\u00ed\u017een\u00edm vytvo\u0159te koordina\u010dn\u00ed studii s pou\u017eit\u00edm obou norem \u2013 jisti\u010d\u016f pro odbo\u010dn\u00e9 obvody a jisti\u010d\u016f pro nap\u00e1jec\u00ed a hlavn\u00ed veden\u00ed.<\/p><\/blockquote>\n<h2>Pokyny k instalaci a dodr\u017eov\u00e1n\u00ed p\u0159edpis\u016f<\/h2>\n<h3>Po\u017eadavky na instalaci podle IEC 60898-1<\/h3>\n<ol>\n<li><strong>Mont\u00e1\u017e:<\/strong> Instalace na DIN li\u0161tu dle IEC 60715<\/li>\n<li><strong>Vzd\u00e1lenost:<\/strong> Minim\u00e1ln\u00ed vzd\u00e1lenosti dle specifikac\u00ed v\u00fdrobce<\/li>\n<li><strong>Dimenzov\u00e1n\u00ed dr\u00e1tu:<\/strong> Proudov\u00e1 zat\u00ed\u017eitelnost vodi\u010de dle m\u00edstn\u00edch elektrotechnick\u00fdch p\u0159edpis\u016f<\/li>\n<li><strong>Testov\u00e1n\u00ed:<\/strong> Standardn\u00ed testy izolace a kontinuity<\/li>\n<li><strong>Ozna\u010dov\u00e1n\u00ed:<\/strong> Identifikace obvodu a ozna\u010den\u00ed jmenovit\u00fdch hodnot<\/li>\n<\/ol>\n<h3>Po\u017eadavky na instalaci podle IEC 60947-2<\/h3>\n<ol>\n<li><strong>Mont\u00e1\u017e:<\/strong> Bezpe\u010dn\u00e1 mont\u00e1\u017e na \u0161asi nebo panel<\/li>\n<li><strong>Koordinace:<\/strong> Dokon\u010den\u00ed studie selektivn\u00ed koordinace<\/li>\n<li><strong>Uveden\u00ed do provozu:<\/strong> Pln\u00e9 protokoly funk\u010dn\u00edho testov\u00e1n\u00ed<\/li>\n<li><strong>Dokumentace:<\/strong> Kompletn\u00ed z\u00e1znamy o testov\u00e1n\u00ed a kalibraci<\/li>\n<li><strong>\u00dadr\u017eba:<\/strong> Pl\u00e1novan\u00e9 inspek\u010dn\u00ed a testovac\u00ed programy<\/li>\n<\/ol>\n<blockquote><p><strong>\u26a0\ufe0f Dodr\u017eov\u00e1n\u00ed p\u0159edpis\u016f:<\/strong> Ob\u011b normy mus\u00ed b\u00fdt aplikov\u00e1ny ve spojen\u00ed s m\u00edstn\u00edmi elektrotechnick\u00fdmi p\u0159edpisy, jako nap\u0159\u00edklad <a href=\"https:\/\/www.necanet.org\/topics\/codesandstandards\/the-nec\" rel=\"nofollow noopener\" target=\"_blank\">NEC<\/a> (N\u00c1S), <a href=\"https:\/\/www.csagroup.org\/store\/canadian-electrical-code-products\/?srsltid=AfmBOopllxmSegbWSk9UMRCO-es3XulhMHdqRvzR8URan2R02_DiUd5R\" rel=\"nofollow noopener\" target=\"_blank\">CEC<\/a> (Kanada) nebo p\u0159\u00edslu\u0161n\u00e9 n\u00e1rodn\u00ed normy. V\u017edy si ov\u011b\u0159te po\u017eadavky m\u00edstn\u00ed jurisdikce.<\/p><\/blockquote>\n<h2>\u0158e\u0161en\u00ed b\u011b\u017en\u00fdch probl\u00e9m\u016f<\/h2>\n<h3>Probl\u00e9my s jisti\u010di IEC 60898-1<\/h3>\n<p><strong>\u0158e\u0161en\u00ed pro ru\u0161iv\u00e9 vypnut\u00ed:<\/strong><\/p>\n<ul>\n<li>Ov\u011b\u0159te, zda v\u00fdpo\u010dty zat\u00ed\u017een\u00ed nep\u0159ekra\u010duj\u00ed jmenovit\u00fd v\u00fdkon jisti\u010de 80%.<\/li>\n<li>Zkontrolujte uvoln\u011bn\u00e9 spoje, kter\u00e9 zp\u016fsobuj\u00ed poklesy nap\u011bt\u00ed<\/li>\n<li>Zajist\u011bte spr\u00e1vn\u00e9 sn\u00ed\u017een\u00ed v\u00fdkonu p\u0159i okoln\u00ed teplot\u011b<\/li>\n<li>Zva\u017ete charakteristiky \u010dasov\u00e9ho zpo\u017ed\u011bn\u00ed pro motorov\u00e9 z\u00e1t\u011b\u017ee<\/li>\n<\/ul>\n<h3>Probl\u00e9my s jisti\u010di IEC 60947-2<\/h3>\n<p><strong>Poruchy koordinace:<\/strong><\/p>\n<ul>\n<li>Zkontrolujte pom\u011bry selektivity mezi za\u0159\u00edzen\u00edmi p\u0159ed a po proudu<\/li>\n<li>Studie koordinace ov\u011b\u0159en\u00ed nastaven\u00ed spou\u0161t\u00ed<\/li>\n<li>Zkontrolujte konflikty citlivosti zemn\u00edho spojen\u00ed<\/li>\n<li>Zajist\u011bte spr\u00e1vnou \u00fadr\u017ebu elektronick\u00fdch spou\u0161t\u00ed<\/li>\n<\/ul>\n<h2>Profesion\u00e1ln\u00ed doporu\u010den\u00ed<\/h2>\n<h3>Kdy se obr\u00e1tit na elektrotechnika<\/h3>\n<p><strong>Povinn\u00e1 odborn\u00e1 konzultace pro:<\/strong><\/p>\n<ul>\n<li>V\u00fdpo\u010dty poruchov\u00e9ho proudu p\u0159esahuj\u00edc\u00edho 10 kA<\/li>\n<li>Studie selektivn\u00ed koordinace zahrnuj\u00edc\u00ed sm\u00ed\u0161en\u00e9 typy za\u0159\u00edzen\u00ed<\/li>\n<li>Syst\u00e9my ochrany kritick\u00e9 infrastruktury<\/li>\n<li>Integrace se st\u00e1vaj\u00edc\u00edmi pr\u016fmyslov\u00fdmi \u0159\u00eddic\u00edmi syst\u00e9my<\/li>\n<li>Dodr\u017eov\u00e1n\u00ed specifick\u00fdch pr\u016fmyslov\u00fdch norem (zdravotnictv\u00ed, petrochemie atd.)<\/li>\n<\/ul>\n<h3>Po\u017eadavky na certifikaci a \u0161kolen\u00ed<\/h3>\n<p>Elektroinstalat\u00e9\u0159i pracuj\u00edc\u00ed se syst\u00e9my dle IEC 60947-2 obvykle vy\u017eaduj\u00ed:<\/p>\n<ul>\n<li>Certifikace NECA pro pr\u016fmyslov\u00e9 instalace<\/li>\n<li>\u0160kolen\u00ed v\u00fdrobce o elektronick\u00fdch spou\u0161t\u00edch<\/li>\n<li>\u0160kolen\u00ed o bezpe\u010dnosti p\u0159i obloukov\u00e9m v\u00fdboji dle NFPA 70E<\/li>\n<li>Certifikace uveden\u00ed kritick\u00fdch syst\u00e9m\u016f do provozu<\/li>\n<\/ul>\n<h2>Stru\u010dn\u00fd referen\u010dn\u00ed pr\u016fvodce<\/h2>\n<h3>Stru\u010dn\u00e9 specifikace IEC 60898-1<\/h3>\n<ul>\n<li><strong><a href=\"https:\/\/test.viox.com\/cs\/understanding-the-ka-rating-on-circuit-breakers\/\">Hodnocen\u00ed<\/a> Rozsah:<\/strong> 0,5A a\u017e 125A<\/li>\n<li><strong><a href=\"https:\/\/test.viox.com\/cs\/how-circuit-breaker-poles-affect-voltage-current-protection\/\">Pol\u00e1ci<\/a>:<\/strong> Konfigurace s 1, 2, 3 a 4 p\u00f3ly<\/li>\n<li><strong><a href=\"https:\/\/test.viox.com\/cs\/understanding-trip-curves\/\">K\u0159ivky<\/a>:<\/strong> Dostupn\u00e9 charakteristiky B, C, D<\/li>\n<li><strong>Mont\u00e1\u017e:<\/strong> Standardn\u00ed DIN li\u0161ta 35 mm<\/li>\n<li><strong>D\u00e9lka \u017eivota:<\/strong> V\u00edce ne\u017e 10 000 mechanick\u00fdch operac\u00ed<\/li>\n<\/ul>\n<h3>Stru\u010dn\u00e9 specifikace IEC 60947-2<\/h3>\n<ul>\n<li><strong>Rozsah hodnocen\u00ed:<\/strong> 125 A a\u017e 6 300 A<\/li>\n<li><strong>P\u0159eru\u0161ovac\u00ed kapacita:<\/strong> A\u017e 200 kA+<\/li>\n<li><strong>Typy v\u00fdlet\u016f:<\/strong> Tepeln\u011b-magnetick\u00e1, elektronick\u00e1, ochrana motoru<\/li>\n<li><strong>Sd\u011blen\u00ed:<\/strong> Voliteln\u00e9 mo\u017enosti digit\u00e1ln\u00edho monitorov\u00e1n\u00ed<\/li>\n<li><strong>D\u00e9lka \u017eivota:<\/strong> v\u00edce ne\u017e 25 000 mechanick\u00fdch operac\u00ed<\/li>\n<\/ul>\n<h2>\u010casto Kladen\u00e9 Ot\u00e1zky<\/h2>\n<h3>\u010c\u00edm se li\u0161\u00ed norma IEC 60898-1 od normy IEC 60947-2?<\/h3>\n<p>Norma IEC 60898-1 upravuje miniaturn\u00ed jisti\u010de pro reziden\u010dn\u00ed pou\u017eit\u00ed do 125 A, zat\u00edmco norma IEC 60947-2 se vztahuje na v\u011bt\u0161\u00ed jisti\u010de v lisovan\u00e9m pouzd\u0159e pro pr\u016fmyslov\u00e9 aplikace nad 125 A s vy\u0161\u0161\u00ed vyp\u00ednac\u00ed schopnost\u00ed a pokro\u010dil\u00fdmi koordina\u010dn\u00edmi funkcemi.<\/p>\n<h3>Mohu pou\u017e\u00edvat jisti\u010de dle IEC 60898-1 v komer\u010dn\u00edch aplikac\u00edch?<\/h3>\n<p>Ano, jisti\u010de podle normy IEC 60898-1 jsou vhodn\u00e9 pro lehk\u00e9 komer\u010dn\u00ed aplikace, jako jsou kancel\u00e1\u0159e, maloobchodn\u00ed prostory a mal\u00e9 komer\u010dn\u00ed budovy, za p\u0159edpokladu, \u017ee jmenovit\u00e9 proudy a \u00farovn\u011b poruchov\u00fdch proud\u016f jsou v mez\u00edch specifikac\u00ed.<\/p>\n<h3>Jakou vyp\u00ednac\u00ed schopnost bych m\u011bl\/a zvolit pro reziden\u010dn\u00ed aplikace?<\/h3>\n<p>Pro typick\u00e9 reziden\u010dn\u00ed aplikace je standardn\u00ed vyp\u00ednac\u00ed schopnost 6 kA, zat\u00edmco pro zv\u00fd\u0161en\u00e1 za\u0159\u00edzen\u00ed nebo oblasti s vy\u0161\u0161\u00ed \u00farovn\u00ed poruchov\u00e9ho proudu v rozvodn\u00e9 s\u00edti se doporu\u010duje 10 kA.<\/p>\n<h3>Jak zjist\u00edm, zda pot\u0159ebuji selektivn\u00ed koordinaci?<\/h3>\n<p>Selektivn\u00ed koordinace je obvykle vy\u017eadov\u00e1na pro kritick\u00e9 syst\u00e9my, nouzov\u00e9 nap\u00e1jen\u00ed a pr\u016fmyslov\u00e9 aplikace. Prostudujte si m\u00edstn\u00ed elektrotechnick\u00e9 p\u0159edpisy \u2013 mnoho jurisdikc\u00ed na\u0159izuje koordina\u010dn\u00ed studie pro zdravotnictv\u00ed, v\u00fd\u0161kov\u00e9 budovy a pr\u016fmyslov\u00e1 za\u0159\u00edzen\u00ed.<\/p>\n<h3>Jak\u00fd je rozd\u00edl mezi koordinac\u00ed typu 1 a typu 2?<\/h3>\n<p>Koordinace typu 1 (IEC 60898-1) umo\u017e\u0148uje drobn\u00e9 sva\u0159ov\u00e1n\u00ed kontakt\u016f b\u011bhem poruchov\u00fdch stav\u016f, ale zachov\u00e1v\u00e1 integritu obvodu. Typ 2 poskytuje zv\u00fd\u0161enou ochranu, kter\u00e1 zabra\u0148uje po\u0161kozen\u00ed kontakt\u016f a zaji\u0161\u0165uje tak nep\u0159etr\u017eitou provozn\u00ed schopnost.<\/p>\n<h3>Mohu kombinovat za\u0159\u00edzen\u00ed dle IEC 60898-1 a IEC 60947-2 ve stejn\u00e9m syst\u00e9mu?<\/h3>\n<p>Ano, to je b\u011b\u017en\u00e9 v komer\u010dn\u00edch instalac\u00edch, kde jisti\u010de slou\u017e\u00ed jako hlavn\u00ed jisti\u010de a nap\u00e1jec\u00ed zdroje, zat\u00edmco jisti\u010de chr\u00e1n\u00ed jednotliv\u00e9 odbo\u010dn\u00e9 obvody. Spr\u00e1vn\u00e9 koordina\u010dn\u00ed studie zaji\u0161\u0165uj\u00ed selektivn\u00ed provoz.<\/p>\n<h3>Jak\u00e1 \u00fadr\u017eba je pro tyto jisti\u010de nutn\u00e1?<\/h3>\n<p>Jisti\u010de dle IEC 60898-1 obvykle vy\u017eaduj\u00ed minim\u00e1ln\u00ed \u00fadr\u017ebu krom\u011b vizu\u00e1ln\u00ed kontroly a testov\u00e1n\u00ed. Jisti\u010de dle IEC 60947-2 vy\u017eaduj\u00ed pl\u00e1novanou \u00fadr\u017ebu, v\u010detn\u011b kontroly kontakt\u016f, ov\u011b\u0159en\u00ed kalibrace a testov\u00e1n\u00ed spou\u0161t\u00ed dle doporu\u010den\u00ed v\u00fdrobce.<\/p>\n<h3>Jak podm\u00ednky prost\u0159ed\u00ed ovliv\u0148uj\u00ed v\u00fdb\u011br jisti\u010de?<\/h3>\n<p>Ob\u011b normy zahrnuj\u00ed faktory sn\u00ed\u017een\u00ed v\u00fdkonu v z\u00e1vislosti na teplot\u011b, nadmo\u0159sk\u00e9 v\u00fd\u0161ce a podm\u00ednk\u00e1ch prost\u0159ed\u00ed. Za\u0159\u00edzen\u00ed dle normy IEC 60947-2 obecn\u011b nab\u00edzej\u00ed lep\u0161\u00ed v\u00fdkon v n\u00e1ro\u010dn\u00fdch pr\u016fmyslov\u00fdch prost\u0159ed\u00edch s vy\u0161\u0161\u00edmi teplotn\u00edmi a stup\u0148ov\u00fdmi klasifikacemi zne\u010di\u0161t\u011bn\u00ed.<\/p>\n<p><strong>Doporu\u010den\u00ed odborn\u00edka:<\/strong> P\u0159i specifikaci syst\u00e9m\u016f ochrany obvod\u016f v\u017edy za\u010dn\u011bte komplexn\u00ed studi\u00ed poruchov\u00e9ho proudu a anal\u00fdzou z\u00e1t\u011b\u017ee. To zajist\u00ed spr\u00e1vn\u00fd v\u00fdb\u011br za\u0159\u00edzen\u00ed podle norem IEC 60898-1 a IEC 60947-2 a z\u00e1rove\u0148 zachov\u00e1 shodu s p\u0159edpisy a optim\u00e1ln\u00ed ochranu syst\u00e9mu. Pro slo\u017eit\u00e9 pr\u016fmyslov\u00e9 aplikace si najm\u011bte kvalifikovan\u00e9ho elektrotechnika, kter\u00fd provede selektivn\u00ed koordina\u010dn\u00ed studie a specifikuje vhodn\u00e9 ochrann\u00e9 sch\u00e9mata.<\/p>\n<\/div>","protected":false},"excerpt":{"rendered":"<p>IEC 60898-1 and IEC 60947-2 are the two primary international standards governing circuit breaker design and performance. IEC 60898-1 covers miniature circuit breakers (MCBs) for residential and light commercial use, while IEC 60947-2 addresses molded case circuit breakers (MCCBs) for industrial and heavy commercial applications. Understanding these standards ensures proper circuit protection selection and regulatory [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":18854,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"inline_featured_image":false,"site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"default","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","ast-disable-related-posts":"","theme-transparent-header-meta":"","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"set","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"ast-content-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"footnotes":""},"categories":[1],"tags":[],"class_list":["post-18853","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-blog"],"_links":{"self":[{"href":"https:\/\/test.viox.com\/cs\/wp-json\/wp\/v2\/posts\/18853","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/test.viox.com\/cs\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/test.viox.com\/cs\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/test.viox.com\/cs\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/test.viox.com\/cs\/wp-json\/wp\/v2\/comments?post=18853"}],"version-history":[{"count":0,"href":"https:\/\/test.viox.com\/cs\/wp-json\/wp\/v2\/posts\/18853\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/test.viox.com\/cs\/wp-json\/wp\/v2\/media\/18854"}],"wp:attachment":[{"href":"https:\/\/test.viox.com\/cs\/wp-json\/wp\/v2\/media?parent=18853"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/test.viox.com\/cs\/wp-json\/wp\/v2\/categories?post=18853"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/test.viox.com\/cs\/wp-json\/wp\/v2\/tags?post=18853"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}