{"id":21286,"date":"2026-01-15T11:42:09","date_gmt":"2026-01-15T03:42:09","guid":{"rendered":"https:\/\/viox.com\/?p=21286"},"modified":"2026-01-15T11:42:12","modified_gmt":"2026-01-15T03:42:12","slug":"circuit-protection-selection-framework-a-5-step-guide-for-panel-builders-iec-60947","status":"publish","type":"post","link":"https:\/\/test.viox.com\/cs\/circuit-protection-selection-framework-a-5-step-guide-for-panel-builders-iec-60947\/","title":{"rendered":"R\u00e1mec pro v\u00fdb\u011br ochrany obvod\u016f: Pr\u016fvodce v 5 kroc\u00edch pro v\u00fdrobce rozv\u00e1d\u011b\u010d\u016f (IEC 60947)"},"content":{"rendered":"<div class=\"product-intro\">\n<h2>\u00davod: Za hranice \u0161t\u00edtkov\u00fdch hodnot<\/h2>\n<p>Ve sv\u011bt\u011b pr\u016fmyslov\u00e9 v\u00fdroby rozvad\u011b\u010d\u016f p\u0159etrv\u00e1v\u00e1 nebezpe\u010dn\u00fd myln\u00fd n\u00e1zor: v\u00fdb\u011br jisti\u010de za\u010d\u00edn\u00e1 a kon\u010d\u00ed jmenovit\u00fdm proudem (<em>I<sub>n<\/sub><\/em>). Toto zjednodu\u0161en\u00ed je hlavn\u00ed p\u0159\u00ed\u010dinou \u201cobt\u011b\u017euj\u00edc\u00edho vyp\u00edn\u00e1n\u00ed\u201d b\u011bhem uv\u00e1d\u011bn\u00ed do provozu a, co\u017e je je\u0161t\u011b katastrof\u00e1ln\u011bj\u0161\u00ed, selh\u00e1n\u00ed rozv\u00e1d\u011b\u010de b\u011bhem skute\u010dn\u00fdch poruchov\u00fdch stav\u016f.<\/p>\n<p>Jisti\u010d 100A nen\u00ed v\u017edy jisti\u010d 100A. Um\u00edst\u011bte jej do sk\u0159\u00edn\u011b IP54 p\u0159i 50 \u00b0C, vedle frekven\u010dn\u00edho m\u011bni\u010de (VFD), a toto za\u0159\u00edzen\u00ed m\u016f\u017ee bezpe\u010dn\u011b v\u00e9st pouze 85A. P\u0159ipojte jej k motoru s vysokou induk\u010dnost\u00ed a m\u016f\u017ee vypnout ihned po spu\u0161t\u011bn\u00ed, p\u0159esto\u017ee je \u201cspr\u00e1vn\u011b dimenzov\u00e1n\u201d.\u201d<\/p>\n<p>Na adrese <strong>VIOX Electric<\/strong>, navrhujeme na\u0161e ochrann\u00e9 prvky tak, aby <strong>IEC 60947-2<\/strong> norm\u00e1m, navr\u017een\u00fdm pro n\u00e1ro\u010dn\u00e9 po\u017eadavky pr\u016fmyslov\u00fdch aplikac\u00ed. Tato p\u0159\u00edru\u010dka poskytuje standardizovan\u00fd 5-krokov\u00fd r\u00e1mec pro posun za hranice z\u00e1kladn\u00edch hodnot proudu a zaji\u0161t\u011bn\u00ed bezpe\u010dnosti, shody a trvanlivosti va\u0161ich n\u00e1vrh\u016f.<\/p>\n<hr \/>\n<h2>Krok 1: Definujte kategorii aplikace (kvalitativn\u00ed anal\u00fdza)<\/h2>\n<p>P\u0159ed pohledem do datov\u00e9ho listu mus\u00edte definovat profil z\u00e1t\u011b\u017ee. R\u016fzn\u00e9 aplikace vyv\u00edjej\u00ed na ochrann\u00e9 prvky r\u016fzn\u00e9 tepeln\u00e9 a magnetick\u00e9 nam\u00e1h\u00e1n\u00ed.<\/p>\n<h3>1. Motorov\u00e9 z\u00e1t\u011b\u017ee (vysok\u00fd z\u00e1b\u011brov\u00fd proud)<\/h3>\n<p>Motory jsou induktivn\u00ed z\u00e1t\u011b\u017ee s vysok\u00fdmi spou\u0161t\u011bc\u00edmi proudy (typicky 6\u201310kr\u00e1t <em>I<sub>n<\/sub><\/em>). Standardn\u00ed termomagnetick\u00fd jisti\u010d s obecnou vyp\u00ednac\u00ed charakteristikou pravd\u011bpodobn\u011b vypne b\u011bhem n\u00e1b\u011bhov\u00e9 f\u00e1ze motoru.<\/p>\n<ul>\n<li><strong>\u0158e\u0161en\u00ed:<\/strong> Pou\u017eijte <strong>Motorov\u00e9 jisti\u010de (MPCB)<\/strong> nebo MCB s <strong>charakteristikami typu D<\/strong> (10\u201314x magnetick\u00e9 vypnut\u00ed).<\/li>\n<li><strong>VIOX Insight:<\/strong> Pro komplexn\u00ed bezpe\u010dnost motoru si p\u0159e\u010dt\u011bte na\u0161i p\u0159\u00edru\u010dku o <a href=\"https:\/\/test.viox.com\/cs\/motor-protection-circuit-breakers-the-ultimate-guide-to-safeguarding-your-electrical-motors\/\">Motorov\u00e9 jisti\u010de: Kompletn\u00ed pr\u016fvodce<\/a>.<\/li>\n<\/ul>\n<h3>2. Infrastruktura nab\u00edjen\u00ed EV (trval\u00e1 z\u00e1t\u011b\u017e)<\/h3>\n<p>Nab\u00edje\u010dky EV jsou klasifikov\u00e1ny jako \u201ctrval\u00e9 z\u00e1t\u011b\u017ee\u201d. Na rozd\u00edl od sva\u0159ovac\u00edho stroje, kter\u00fd se cyklicky zap\u00edn\u00e1 a vyp\u00edn\u00e1, m\u016f\u017ee nab\u00edje\u010dka EV b\u011b\u017eet na pln\u00fd v\u00fdkon po cel\u00e9 hodiny.<\/p>\n<ul>\n<li><strong>Pravidlo sn\u00ed\u017een\u00ed jmenovit\u00e9ho proudu:<\/strong> Podle bezpe\u010dnostn\u00edch norem obecn\u011b nem\u016f\u017eete zat\u00ed\u017eit jisti\u010d trvalou z\u00e1t\u011b\u017e\u00ed v\u00edce ne\u017e 80 % jeho jmenovit\u00e9ho proudu. Nab\u00edje\u010dka 40A vy\u017eaduje jisti\u010d 50A.<\/li>\n<li><strong>Ochrana proti \u00faniku proudu:<\/strong> Standardn\u00ed AC RCD typu RCD jsou oslepeny DC \u00fanikem z bateri\u00ed EV. Mus\u00edte pou\u017e\u00edt <strong>Typ B<\/strong> nebo <strong>Typ EV<\/strong> ochranu.<\/li>\n<li><strong>Zdroj:<\/strong> Pod\u00edvejte se na n\u00e1\u0161 <a href=\"https:\/\/test.viox.com\/cs\/commercial-ev-charging-protection-guide-acb-mccb-rcbo\/\">Pr\u016fvodce ochranou komer\u010dn\u00edho nab\u00edjen\u00ed EV<\/a>.<\/li>\n<\/ul>\n<h3>3. Akumulace energie (BESS) a DC syst\u00e9my<\/h3>\n<p>Syst\u00e9my akumulace energie z bateri\u00ed (BESS) p\u0159edstavuj\u00ed dv\u011b jedine\u010dn\u00e9 v\u00fdzvy: vysok\u00e9 DC zkratov\u00e9 proudy a n\u00edzkou impedanci syst\u00e9mu. Standardn\u00ed AC jisti\u010de nemohou \u00fa\u010dinn\u011b uhasit DC oblouky, co\u017e vede ke sva\u0159ov\u00e1n\u00ed kontakt\u016f a po\u017e\u00e1ru.<\/p>\n<ul>\n<li><strong>Po\u017eadavek:<\/strong> Pou\u017e\u00edvejte speci\u00e1ln\u011b navr\u017een\u00e9 DC MCCB nebo vzduchov\u00e9 jisti\u010de (ACB) s nepolarizovan\u00fdmi zh\u00e1\u0161ec\u00edmi komorami, pokud je tok proudu obousm\u011brn\u00fd.<\/li>\n<li><strong>Hlubok\u00fd ponor:<\/strong> Pochopte rizika v <a href=\"https:\/\/test.viox.com\/cs\/why-standard-dc-breakers-fail-in-bess-high-breaking-capacity\/\">Pro\u010d standardn\u00ed DC jisti\u010de selh\u00e1vaj\u00ed v BESS<\/a>.<\/li>\n<\/ul>\n<h3>Tabulka 1: Matice v\u00fdb\u011bru profilu z\u00e1t\u011b\u017ee<\/h3>\n<table style=\"border-collapse: collapse; width: 100%; border: 1px solid #ddd; text-align: left;\" border=\"1\" cellspacing=\"0\" cellpadding=\"8\">\n<thead style=\"background-color: #f2f2f2;\">\n<tr>\n<th>Typ zat\u00ed\u017een\u00ed<\/th>\n<th>Zap\u00ednac\u00ed Proud<\/th>\n<th>Tepeln\u00e9 nam\u00e1h\u00e1n\u00ed<\/th>\n<th>Doporu\u010den\u00e1 charakteristika\/za\u0159\u00edzen\u00ed<\/th>\n<th>Kritick\u00fd po\u017eadavek<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td><strong>Odporov\u00e9 (oh\u0159\u00edva\u010de)<\/strong><\/td>\n<td>1x <em>I<sub>n<\/sub><\/em><\/td>\n<td>M\u00edrn\u00e1<\/td>\n<td>Charakteristika B nebo C<\/td>\n<td>Zam\u011b\u0159en\u00ed na ochranu kabel\u016f<\/td>\n<\/tr>\n<tr>\n<td><strong>Induktivn\u00ed (motory)<\/strong><\/td>\n<td>8-12x <em>I<sub>n<\/sub><\/em><\/td>\n<td>Vysok\u00fd (spu\u0161t\u011bn\u00ed)<\/td>\n<td>Charakteristika D \/ MPCB<\/td>\n<td>Pot\u0159eba citlivosti na ztr\u00e1tu f\u00e1ze<\/td>\n<\/tr>\n<tr>\n<td><strong>Nab\u00edjen\u00ed EV<\/strong><\/td>\n<td>1x <em>I<sub>n<\/sub><\/em><\/td>\n<td>Extr\u00e9mn\u00ed (trval\u00e9)<\/td>\n<td>Charakteristika C<\/td>\n<td><strong>Faktor sn\u00ed\u017een\u00ed jmenovit\u00e9ho proudu 80 %<\/strong> aplikov\u00e1na<\/td>\n<\/tr>\n<tr>\n<td><strong>Elektronika\/PLC<\/strong><\/td>\n<td>N\u00edzk\u00e1<\/td>\n<td>N\u00edzk\u00e1<\/td>\n<td>Charakteristika B<\/td>\n<td>Rychl\u00e9 magnetick\u00e9 vypnut\u00ed pro ochranu citliv\u00fdch PCB<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>&nbsp;<\/p>\n<figure style=\"text-align: center; margin: 20px 0;\"><img decoding=\"async\" style=\"max-width: 100%; height: auto; border: 1px solid #eee;\" src=\"https:\/\/img.viox.com\/3D-blueprint-of-VIOX-circuit-breaker-internals-showing-arc-suppression.webp\" alt=\"3D technical blueprint cutaway of VIOX circuit breaker showing arc splitter plates and suppression technology\" \/><figcaption style=\"font-style: italic; text-align: center; color: #555; margin-top: 8px;\">Obr\u00e1zek 1: Vnit\u0159n\u00ed \u0159ez zobrazuj\u00edc\u00ed d\u011blic\u00ed desky oblouku VIOX a p\u0159esnou vyp\u00ednac\u00ed jednotku.<\/figcaption><\/figure>\n<hr \/>\n<h2>Krok 2: Ur\u010dete syst\u00e9mov\u00e9 nap\u011bt\u00ed a p\u00f3ly (architektura)<\/h2>\n<p>Jakmile je definov\u00e1na z\u00e1t\u011b\u017e, architektura syst\u00e9mu ur\u010duje fyzickou konfiguraci za\u0159\u00edzen\u00ed.<\/p>\n<h3>AC vs. DC jmenovit\u00e9 nap\u011bt\u00ed<\/h3>\n<p>V\u00fdrobci rozvad\u011b\u010d\u016f \u010dasto zam\u011b\u0148uj\u00ed izola\u010dn\u00ed nap\u011bt\u00ed (<em>U<sub>i<\/sub><\/em>) s provozn\u00edm nap\u011bt\u00edm (<em>U<sub>e<\/sub><\/em>).<\/p>\n<ul>\n<li><strong>Sol\u00e1rn\u00ed\/FV:<\/strong> Syst\u00e9my se posunuly z 600V na 1000V a nyn\u00ed 1500V DC. Jisti\u010d dimenzovan\u00fd na 1000V p\u0159esko\u010d\u00ed v syst\u00e9mu 1500V.<\/li>\n<li><strong>Zdroj:<\/strong> Zkontrolujte na\u0161i anal\u00fdzu na <a href=\"https:\/\/test.viox.com\/cs\/solar-combiner-box-voltage-ratings-600v-vs-1000v-vs-1500v\/\">Jmenovit\u00e9 nap\u011bt\u00ed sol\u00e1rn\u00edch slu\u010dovac\u00edch box\u016f<\/a>.<\/li>\n<\/ul>\n<h3>Uzem\u0148ovac\u00ed syst\u00e9my (3P vs. 3P+N vs. 4P)<\/h3>\n<p>Rozhodnut\u00ed o p\u0159eru\u0161en\u00ed nulov\u00e9ho vodi\u010de z\u00e1vis\u00ed na va\u0161em sch\u00e9matu uzemn\u011bn\u00ed (TN-S, TN-C, TT).<\/p>\n<ul>\n<li><strong>TN-C:<\/strong> Nikdy nep\u0159ep\u00ednejte vodi\u010d PEN (pou\u017eijte 3P).<\/li>\n<li><strong>TN-S \/ TT:<\/strong> Nulov\u00fd vodi\u010d mus\u00ed b\u00fdt \u010dasto p\u0159ep\u00edn\u00e1n\/izolov\u00e1n, aby se zabr\u00e1nilo potenci\u00e1ln\u00edm smy\u010dk\u00e1m nebo nebezpe\u010d\u00edm b\u011bhem \u00fadr\u017eby (pou\u017eijte 4P).<\/li>\n<li><strong>Zdroj:<\/strong> Spr\u00e1vn\u00fd v\u00fdb\u011br p\u00f3l\u016f u p\u0159ep\u00edna\u010d\u016f viz <a href=\"https:\/\/test.viox.com\/cs\/where-to-use-sp-tp-tpn-and-4p-circuit-breakers\/\">Kde pou\u017e\u00edt jisti\u010de SP, TP, TPN a 4P<\/a>.<\/li>\n<\/ul>\n<hr \/>\n<h2>Krok 3: V\u00fdpo\u010det skute\u010dn\u00e9ho provozn\u00edho proudu (kvantitativn\u00ed sn\u00ed\u017een\u00ed jmenovit\u00e9ho proudu)<\/h2>\n<p>Zde doch\u00e1z\u00ed k 80% konstruk\u010dn\u00edch chyb. <strong>Jmenovit\u00fd proud (<em>I<sub>n<\/sub><\/em>)<\/strong> ) je testov\u00e1n na voln\u00e9m vzduchu p\u0159i 30 \u00b0C nebo 40 \u00b0C. V\u00e1\u0161 jisti\u010d je v\u0161ak pravd\u011bpodobn\u011b uvnit\u0159 p\u0159epln\u011bn\u00e9 sk\u0159\u00edn\u011b p\u0159i 55 \u00b0C.<\/p>\n<h3>Vzorec pro skute\u010dn\u00fd proud<\/h3>\n<p>Mus\u00edte vypo\u010d\u00edtat p\u0159\u00edpustn\u00fd proud (<em>I<sub>real<\/sub><\/em>) pomoc\u00ed koeficient\u016f sn\u00ed\u017een\u00ed jmenovit\u00e9ho proudu:<\/p>\n<p style=\"background-color: #f9f9f9; padding: 15px; border-left: 4px solid #0056b3;\"><em>I<sub>real<\/sub> = I<sub>n<\/sub> \u00d7 K<sub>t<\/sub> (Teplota) \u00d7 K<sub>a<\/sub> (Nadmo\u0159sk\u00e1 v\u00fd\u0161ka) \u00d7 K<sub>g<\/sub> (Seskupen\u00ed)<\/em><\/p>\n<ol>\n<li><strong>Teplota (<em>K<sub>t<\/sub><\/em>):<\/strong> S rostouc\u00ed teplotou okol\u00ed se bimetalov\u00fd p\u00e1sek oh\u00fdb\u00e1 d\u0159\u00edve. Jisti\u010d 100 A p\u0159i 60 \u00b0C se m\u016f\u017ee typicky chovat jako jisti\u010d 80 A.<\/li>\n<li><strong>Seskupen\u00ed (<em>K<sub>g<\/sub><\/em>):<\/strong> Kdy\u017e jsou jisti\u010de namontov\u00e1ny vedle sebe na DIN li\u0161tu, vz\u00e1jemn\u011b se zah\u0159\u00edvaj\u00ed.\n<ul>\n<li><em>N=2-3 jisti\u010de:<\/em> <em>K<sub>g<\/sub><\/em> \u2248 0.9<\/li>\n<li><em>N=6-9 jisti\u010de:<\/em> <em>K<sub>g<\/sub><\/em> \u2248 0.7<\/li>\n<\/ul>\n<\/li>\n<li><strong>Nadmo\u0159sk\u00e1 v\u00fd\u0161ka (<em>K<sub>a<\/sub><\/em>):<\/strong> Nad 2000 m kles\u00e1 hustota vzduchu, co\u017e sni\u017euje chlazen\u00ed a dielektrickou pevnost.<\/li>\n<\/ol>\n<p><strong>V\u00fdhoda VIOX:<\/strong> Jisti\u010de VIOX jsou kalibrov\u00e1ny tak, aby minimalizovaly ztr\u00e1ty zp\u016fsoben\u00e9 sn\u00ed\u017een\u00edm jmenovit\u00e9ho proudu. Fyzika v\u0161ak st\u00e1le plat\u00ed.<br \/>\n<strong>Zdroj:<\/strong> Pou\u017eijte na\u0161e data k v\u00fdpo\u010dtu koeficient\u016f: <a href=\"https:\/\/test.viox.com\/cs\/electrical-derating-temperature-altitude-grouping-factors\/\">Elektrick\u00e9 sn\u00ed\u017een\u00ed jmenovit\u00e9ho proudu: Teplota, nadmo\u0159sk\u00e1 v\u00fd\u0161ka a faktory seskupen\u00ed<\/a>.<\/p>\n<p>Pro jmenovit\u00e9 hodnoty rozv\u00e1d\u011b\u010d\u016f tak\u00e9 pochopte rozd\u00edl mezi jmenovit\u00fdm proudem a jmenovitou hodnotou sestavy v na\u0161\u00ed p\u0159\u00edru\u010dce: <a href=\"https:\/\/test.viox.com\/cs\/switchgear-current-ratings-ina-inc-rdf-guide\/\">Proudov\u00e9 zat\u00ed\u017eitelnosti rozv\u00e1d\u011b\u010d\u016f: InA vs Inc vs RDF<\/a>.<\/p>\n<figure style=\"text-align: center; margin: 20px 0;\"><img decoding=\"async\" style=\"max-width: 100%; height: auto; border: 1px solid #eee;\" src=\"https:\/\/img.viox.com\/VIOX-MCBs-in-a-control-panel-with-a-thermal-heat-map-effect.webp\" alt=\"Thermal heat map showing temperature rise and grouping factor in high-density VIOX MCB installation\" \/><figcaption style=\"font-style: italic; text-align: center; color: #555; margin-top: 8px;\">Obr\u00e1zek 2: Termovizn\u00ed vizualizace efektu \u2018faktoru seskupen\u00ed\u2019 v panelech s vysokou hustotou.<\/figcaption><\/figure>\n<hr \/>\n<h2>Krok 4: Zvl\u00e1dnut\u00ed zkratov\u00e9ho proudu (bezpe\u010dnost a vyp\u00ednac\u00ed schopnost)<\/h2>\n<p>Zaji\u0161t\u011bn\u00ed, \u017ee jisti\u010d p\u0159en\u00e1\u0161\u00ed z\u00e1t\u011b\u017e, je krok 3; zaji\u0161t\u011bn\u00ed, \u017ee bezpe\u010dn\u011b exploduje b\u011bhem zkratu, je krok 4.<\/p>\n<h3><em>I<sub>Icu vs Ics<\/sub><\/em> vs. <em>I<sub>cs<\/sub><\/em>: Z\u00e1sadn\u00ed rozd\u00edl<\/h3>\n<ul>\n<li><strong><em>I<sub>Icu vs Ics<\/sub><\/em> (Mezn\u00ed vyp\u00ednac\u00ed schopnost):<\/strong> Maxim\u00e1ln\u00ed proud, kter\u00fd m\u016f\u017ee jisti\u010d p\u0159eru\u0161it <em>jednou<\/em>. Pot\u00e9 nemus\u00ed b\u00fdt pou\u017eiteln\u00fd.<\/li>\n<li><strong><em>I<sub>cs<\/sub><\/em> (Provozn\u00ed vyp\u00ednac\u00ed schopnost):<\/strong> Proud, kter\u00fd m\u016f\u017ee jisti\u010d opakovan\u011b p\u0159eru\u0161it a z\u016fstat v provozu.<\/li>\n<\/ul>\n<p>Pro pr\u016fmyslov\u00e9 panely kritick\u00e9 pro provoz (nemocnice, datov\u00e1 centra, n\u00e1mo\u0159n\u00ed aplikace), <strong>VIOX doporu\u010duje specifikovat <em>I<sub>cs<\/sub><\/em> = 100% <em>I<sub>Icu vs Ics<\/sub><\/em><\/strong>. Nechcete vym\u011b\u0148ovat hlavn\u00ed jisti\u010d po jedin\u00e9 poru\u0161e.<\/p>\n<h3>Z\u00e1lo\u017en\u00ed ochrana<\/h3>\n<p>Pokud je p\u0159edpokl\u00e1dan\u00fd zkratov\u00fd proud (<em>I<sub>Isc<\/sub><\/em>) v m\u00edst\u011b instalace 50 kA, ale pou\u017eit\u00ed MCCB 50 kA je p\u0159\u00edli\u0161 drah\u00e9, m\u016f\u017eete pou\u017e\u00edt <strong>Z\u00e1lo\u017en\u00ed ochrana<\/strong> strategii. To zahrnuje um\u00edst\u011bn\u00ed pojistky s vysokou vyp\u00ednac\u00ed schopnost\u00ed proti proudu.<\/p>\n<ul>\n<li><strong>Zdroj:<\/strong> Zjist\u011bte, kdy pou\u017e\u00edt pojistky pro vysok\u00e9 zkratov\u00e9 proudy v na\u0161\u00ed <a href=\"https:\/\/test.viox.com\/cs\/high-breaking-capacity-fuse-300ka-protection-guide\/\">P\u0159\u00edru\u010dce pro pojistky s vysokou vyp\u00ednac\u00ed schopnost\u00ed<\/a>.<\/li>\n<\/ul>\n<h3>Tabulka 2: Doporu\u010den\u00ed pro vyp\u00ednac\u00ed schopnost podle IEC 60947-2<\/h3>\n<table style=\"border-collapse: collapse; width: 100%; border: 1px solid #ddd; text-align: left;\" border=\"1\" cellspacing=\"0\" cellpadding=\"8\">\n<thead style=\"background-color: #f2f2f2;\">\n<tr>\n<th>Aplikace<\/th>\n<th>Doporu\u010deno <em>I<sub>Icu vs Ics<\/sub><\/em> (Typick\u00e9)<\/th>\n<th>Doporu\u010deno <em>I<sub>cs<\/sub><\/em> Pom\u011br<\/th>\n<th>Pro\u010d?<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td><strong>Reziden\u010dn\u00ed (Kone\u010dn\u00e9)<\/strong><\/td>\n<td>Lehk\u00e9 komer\u010dn\u00ed obvody<\/td>\n<td>50-75%<\/td>\n<td>Poruchy jsou vz\u00e1cn\u00e9 a maj\u00ed n\u00edzkou energii.<\/td>\n<\/tr>\n<tr>\n<td><strong>Komer\u010dn\u00ed budova<\/strong><\/td>\n<td>10 \u2013 25 kA<\/td>\n<td>75%<\/td>\n<td>Rovnov\u00e1ha mezi n\u00e1klady a kontinuitou.<\/td>\n<\/tr>\n<tr>\n<td><strong>Pr\u016fmyslov\u00e9 \/ N\u00e1mo\u0159n\u00ed<\/strong><\/td>\n<td>35 \u2013 100 kA<\/td>\n<td><strong>100%<\/strong><\/td>\n<td>Prostoje jsou nep\u0159\u00edpustn\u00e9; jisti\u010d mus\u00ed vydr\u017eet.<\/td>\n<\/tr>\n<tr>\n<td><strong>BESS \/ DC \u00falo\u017ei\u0161t\u011b<\/strong><\/td>\n<td>25 \u2013 50 kA<\/td>\n<td>100%<\/td>\n<td>Vysok\u00e9 riziko po\u017e\u00e1ru, pokud oblouk nen\u00ed omezen.<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p><strong>Hlubok\u00fd ponor:<\/strong> Pochopen\u00ed jmenovit\u00fdch hodnot je z\u00e1sadn\u00ed. \u010ct\u011bte <a href=\"https:\/\/test.viox.com\/cs\/circuit-breaker-ratings-icu-ics-icw-icm\/\">Jmenovit\u00e9 hodnoty jisti\u010d\u016f: Icu, Ics, Icw, Icm<\/a>.<\/p>\n<figure style=\"text-align: center; margin: 20px 0;\"><img decoding=\"async\" style=\"max-width: 100%; height: auto; border: 1px solid #eee;\" src=\"https:\/\/img.viox.com\/VIOX-infographic-comparing-Icu-and-Ics-ratings-depicting-Icu-as-a-one-time-maximum-stop-requiring-repair-and-Ics-as-a-repeatable-service-stop.webp\" alt=\"VIOX technical comparison between Icu (Ultimate) and Ics (Service) breaking capacities\" \/><figcaption style=\"font-style: italic; text-align: center; color: #555; margin-top: 8px;\">Obr\u00e1zek 3: Vizu\u00e1ln\u00ed srovn\u00e1n\u00ed mezi mezn\u00ed vyp\u00ednac\u00ed schopnost\u00ed (Icu) a provozn\u00ed vyp\u00ednac\u00ed schopnost\u00ed (Ics).<\/figcaption><\/figure>\n<hr \/>\n<h2>Krok 5: Koordinace a selektivita (spolehlivost syst\u00e9mu)<\/h2>\n<p>C\u00edlem dob\u0159e navr\u017een\u00e9ho rozvad\u011b\u010de je <strong>Selektivita<\/strong>: kdy\u017e dojde k poru\u0161e, m\u011bl by vypnout pouze p\u0159\u00edstroj bezprost\u0159edn\u011b p\u0159ed poruchou. Hlavn\u00ed p\u0159\u00edvod mus\u00ed z\u016fstat sepnut\u00fd, aby byla zachov\u00e1na dod\u00e1vka energie do zbytku za\u0159\u00edzen\u00ed.<\/p>\n<h3>Techniky pro selektivitu<\/h3>\n<ol>\n<li><strong>Proudov\u00e1 diskriminace:<\/strong> Jmenovit\u00fd proud jisti\u010de na vstupu &gt; 2x jmenovit\u00fd proud jisti\u010de na v\u00fdstupu (z\u00e1kladn\u00ed).<\/li>\n<li><strong>\u010casov\u00e1 diskriminace:<\/strong> Pou\u017eit\u00ed jisti\u010d\u016f kategorie B (ACBs nebo \u0161pi\u010dkov\u00e9 MCCB) s kr\u00e1tkodob\u00fdm v\u00fddr\u017en\u00fdm proudem (<em>I<sub>cw<\/sub><\/em>). Efektivn\u011b \u0159\u00edk\u00e1te hlavn\u00edmu jisti\u010di: <em>\u201cPo\u010dkejte 300 ms p\u0159ed vypnut\u00edm, abyste zjistili, zda to ten mal\u00fd zvl\u00e1dne jako prvn\u00ed.\u201d<\/em><\/li>\n<\/ol>\n<h3>Tabulka 3: Srovn\u00e1n\u00ed metod selektivity<\/h3>\n<table style=\"border-collapse: collapse; width: 100%; border: 1px solid #ddd; text-align: left;\" border=\"1\" cellspacing=\"0\" cellpadding=\"8\">\n<thead style=\"background-color: #f2f2f2;\">\n<tr>\n<th>Metoda<\/th>\n<th>Mechanismus<\/th>\n<th>Klady<\/th>\n<th>Nev\u00fdhody<\/th>\n<th>Nejlep\u0161\u00ed pro\u2026<\/th>\n<th>Implementace<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td><strong>Proud (Amper\u00e1\u017e)<\/strong><\/td>\n<td>Rozd\u00edl v prahov\u00fdch hodnot\u00e1ch vypnut\u00ed (<em>I<sub>r<\/sub><\/em>)<\/td>\n<td>Jednoduch\u00e9, n\u00edzk\u00e9 n\u00e1klady<\/td>\n<td>\u0160patn\u00e1 selektivita p\u0159i vysok\u00fdch poruchov\u00fdch proudech<\/td>\n<td>Koncov\u00e9 distribu\u010dn\u00ed obvody<\/td>\n<td>N\u00edzk\u00e1<\/td>\n<\/tr>\n<tr>\n<td><strong>\u010cas (Chronometrick\u00e1)<\/strong><\/td>\n<td>Nastaven\u00ed \u010dasov\u00e9ho zpo\u017ed\u011bn\u00ed (<em>t_{sd}<\/em>)<\/td>\n<td>Dobr\u00e1 spolehlivost pro jisti\u010de kategorie B<\/td>\n<td>Vysok\u00e9 tepeln\u00e9 nam\u00e1h\u00e1n\u00ed syst\u00e9mu b\u011bhem zpo\u017ed\u011bn\u00ed<\/td>\n<td>Hlavn\u00ed distribuce \/ Nap\u00e1je\u010de<\/td>\n<td>St\u0159edn\u00ed<\/td>\n<\/tr>\n<tr>\n<td><strong>Logika (Z\u00f3nov\u011b selektivn\u00ed)<\/strong><\/td>\n<td>Komunika\u010dn\u00ed vodi\u010dov\u00fd sign\u00e1l<\/td>\n<td>Nejrychlej\u0161\u00ed; Tot\u00e1ln\u00ed selektivita; N\u00edzk\u00e9 nam\u00e1h\u00e1n\u00ed<\/td>\n<td>Slo\u017eit\u00e9 zapojen\u00ed; Vy\u0161\u0161\u00ed cena<\/td>\n<td>Kritick\u00e9 nap\u00e1jen\u00ed \/ Datov\u00e1 centra<\/td>\n<td>Vysok\u00e1<\/td>\n<\/tr>\n<tr>\n<td><strong>Energie<\/strong><\/td>\n<td>Omezen\u00ed energie oblouku (<em>I<sup>2<\/sup>t<\/em>)<\/td>\n<td>Efektivn\u00ed pro kompaktn\u00ed jisti\u010de<\/td>\n<td>Vy\u017eadov\u00e1ny tabulky specifick\u00e9 pro v\u00fdrobce<\/td>\n<td>Panely s vysokou hustotou<\/td>\n<td>St\u0159edn\u00ed<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p><strong>Testov\u00e1n\u00ed syst\u00e9mu VIOX:<\/strong> Poskytujeme tabulky selektivity, kter\u00e9 zaji\u0161\u0165uj\u00ed dokonalou koordinaci VIOX ACB a MCCB.<br \/>\n<strong>Zdroj:<\/strong> Osvojte si toto slo\u017eit\u00e9 t\u00e9ma s na\u0161\u00edm <a href=\"https:\/\/test.viox.com\/cs\/ats-circuit-breaker-coordination-guide-icw-selectivity\/\">Pr\u016fvodce koordinac\u00ed ATS a jisti\u010d\u016f<\/a>.<\/p>\n<figure style=\"text-align: center; margin: 20px 0;\"><img decoding=\"async\" style=\"max-width: 100%; height: auto; border: 1px solid #eee;\" src=\"https:\/\/img.viox.com\/Time-Current-Curve-TCC-illustrating-the-separation-and-selectivity-between-VIOX-main-and-branch-circuit-breakers.webp\" alt=\"Time-Current Curve (TCC) graph illustrating selectivity between VIOX main ACB and branch MCCB\" \/><figcaption style=\"font-style: italic; text-align: center; color: #555; margin-top: 8px;\">Obr\u00e1zek 4: Studie koordinace VIOX ukazuj\u00edc\u00ed z\u00f3nu tot\u00e1ln\u00ed selektivity mezi hlavn\u00edm p\u0159\u00edvodem a odbo\u010dkov\u00fdm jisti\u010dem.<\/figcaption><\/figure>\n<hr \/>\n<h2>Z\u00e1v\u011br: Rozd\u00edl VIOX<\/h2>\n<p>Standardizovan\u00fd v\u00fdb\u011br nen\u00ed jen o dodr\u017eov\u00e1n\u00ed pravidel \u2013 je o odpov\u011bdnosti a bezpe\u010dnosti. Dodr\u017eov\u00e1n\u00edm <strong>r\u00e1mce IEC 60947-2<\/strong> (Aplikace \u2192 Nap\u011bt\u00ed \u2192 Skute\u010dn\u00fd proud \u2192 Poruchov\u00e1 kapacita \u2192 Koordinace) mohou v\u00fdrobci rozvad\u011b\u010d\u016f eliminovat nej\u010dast\u011bj\u0161\u00ed p\u0159\u00ed\u010diny elektrick\u00fdch poruch.<\/p>\n<p>Na adrese <strong>VIOX Electric<\/strong>, neprod\u00e1v\u00e1me jen komponenty; poskytujeme validovan\u00e9 syst\u00e9my. Na\u0161e jisti\u010de jsou testov\u00e1ny v seskupen\u00fdch konfigurac\u00edch a drsn\u00fdch prost\u0159ed\u00edch, aby bylo zaji\u0161t\u011bno, \u017ee datov\u00e9 listy odpov\u00eddaj\u00ed realit\u011b.<\/p>\n<p>Jste p\u0159ipraveni specifikovat sv\u016fj dal\u0161\u00ed rozvad\u011b\u010d?<\/p>\n<ul>\n<li>Pod\u00edvejte se na na\u0161eho <a href=\"https:\/\/test.viox.com\/cs\/industrial-electrical-enclosures-manufacturing-guide\/\">Pr\u016fvodce v\u00fdrobou pr\u016fmyslov\u00fdch elektrick\u00fdch rozvad\u011b\u010d\u016f<\/a> pro um\u00edst\u011bn\u00ed va\u0161\u00ed ochrany.<\/li>\n<li>Zajist\u011bte, aby va\u0161e svorky odpov\u00eddaly va\u0161\u00ed ochran\u011b pomoc\u00ed na\u0161eho <a href=\"https:\/\/test.viox.com\/cs\/terminal-block-selection-guide-types-uses\/\">Pr\u016fvodce v\u00fdb\u011brem svorkovnic<\/a>.<\/li>\n<\/ul>\n<figure style=\"text-align: center; margin: 20px 0;\"><img decoding=\"async\" style=\"max-width: 100%; height: auto; border: 1px solid #eee;\" src=\"https:\/\/img.viox.com\/Professional-photo-of-an-engineer-testing-a-VIOX-circuit-breaker-in-a-clean-lab-setting.webp\" alt=\"Engineer performing quality assurance testing on VIOX circuit breakers in a lab environment\" \/><figcaption style=\"font-style: italic; text-align: center; color: #555; margin-top: 8px;\">Obr\u00e1zek 5: D\u016fkladn\u00e9 testov\u00e1n\u00ed zaji\u0161t\u011bn\u00ed kvality v laborato\u0159i VIOX.<\/figcaption><\/figure>\n<hr \/>\n<h2>FAQ: V\u00fdb\u011br ochrany obvod\u016f<\/h2>\n<h3>Ot\u00e1zka: Mohu pou\u017e\u00edt IEC 60898 (reziden\u010dn\u00ed) MCB v pr\u016fmyslov\u00e9m rozvad\u011b\u010di?<\/h3>\n<p>Odpov\u011b\u010f: Obecn\u011b ne. Jisti\u010de IEC 60898 jsou navr\u017eeny pro nekvalifikovanou obsluhu a ni\u017e\u0161\u00ed vyp\u00ednac\u00ed schopnosti (obvykle 6 kA). Jisti\u010de IEC 60947-2 jsou navr\u017eeny pro stupn\u011b pr\u016fmyslov\u00e9ho zne\u010di\u0161t\u011bn\u00ed, vy\u0161\u0161\u00ed nap\u011bt\u00ed a nastaviteln\u00e9 vyp\u00ednac\u00ed charakteristiky po\u017eadovan\u00e9 pro stroje.<\/p>\n<h3>Ot\u00e1zka: Jak ovliv\u0148uje nadmo\u0159sk\u00e1 v\u00fd\u0161ka v\u00fdb\u011br jisti\u010de?<\/h3>\n<p>Odpov\u011b\u010f: Nad 2 000 metr\u016f tenk\u00fd vzduch m\u00e9n\u011b \u00fa\u010dinn\u011b chlad\u00ed a \u0161patn\u011b izoluje. Obvykle sni\u017eujete proud zhruba o 4 % a nap\u011bt\u00ed o 1 % na ka\u017ed\u00fdch 500 m zv\u00fd\u0161en\u00ed. Pod\u00edvejte se na na\u0161eho <a href=\"https:\/\/test.viox.com\/cs\/circuit-breaker-altitude-derating-guide\/\">Pr\u016fvodce sn\u00ed\u017een\u00edm v\u00fdkonu v z\u00e1vislosti na nadmo\u0159sk\u00e9 v\u00fd\u0161ce<\/a> pro p\u0159esn\u00e9 tabulky.<\/p>\n<h3>Ot\u00e1zka: Pro\u010d m\u016fj jisti\u010d vyp\u00edn\u00e1, i kdy\u017e je z\u00e1t\u011b\u017e pod <em>I<sub>n<\/sub><\/em>?<\/h3>\n<p>A: To je pravd\u011bpodobn\u011b zp\u016fsobeno tepeln\u00fdm seskupov\u00e1n\u00edm. Pokud m\u00e1te 10 jisti\u010d\u016f t\u011bsn\u011b vedle sebe, kter\u00e9 vedou vysok\u00fd proud, okoln\u00ed teplota uvnit\u0159 shluku stoup\u00e1, co\u017e zp\u016fsobuje p\u0159ed\u010dasn\u00e9 vypnut\u00ed tepeln\u00fdch prvk\u016f. Mus\u00edte pou\u017e\u00edt koeficient seskupen\u00ed (<em>K<sub>g<\/sub><\/em>) nebo p\u0159idat distan\u010dn\u00ed vlo\u017eky.<\/p>\n<h3>Q: Pot\u0159ebuji specifick\u00fd jisti\u010d pro sol\u00e1rn\u00ed\/fotovoltaick\u00e9 aplikace?<\/h3>\n<p>A: Ano. Mus\u00edte pou\u017e\u00edt jisti\u010de dimenzovan\u00e9 pro DC (\u010dasto polarizovan\u00e9). Pou\u017eit\u00ed AC jisti\u010de pro DC nap\u011bt\u00ed nad 48 V je nebezpe\u010dn\u00e9, proto\u017ee AC jisti\u010de spol\u00e9haj\u00ed na pr\u016fchod nulou sinusov\u00e9 vlny k uha\u0161en\u00ed oblouku. DC nem\u00e1 pr\u016fchod nulou.<\/p>\n<h3>Q: Jak\u00fd je rozd\u00edl mezi specifickou propu\u0161t\u011bnou energi\u00ed (<em>I<sup>2<\/sup>t<\/em>) a vyp\u00ednac\u00ed schopnost\u00ed?<\/h3>\n<p>A: Vyp\u00ednac\u00ed schopnost (<em>I<sub>Icu vs Ics<\/sub><\/em>) je maxim\u00e1ln\u00ed proud, kter\u00fd za\u0159\u00edzen\u00ed zvl\u00e1dne. Propu\u0161t\u011bn\u00e1 energie (<em>I<sup>2<\/sup>t<\/em>) je mno\u017estv\u00ed tepeln\u00e9 energie, kter\u00e9 projde do kabel\u016f <em>d\u0159\u00edve ne\u017e<\/em> ne\u017e jisti\u010d vypne. Tato hodnota je kritick\u00e1 pro dimenzov\u00e1n\u00ed kabel\u016f, aby se zajistilo, \u017ee se neroztav\u00ed d\u0159\u00edve, ne\u017e jisti\u010d vypne.<\/p>\n<h3>Q: M\u00e1m pro ochranu motoru pou\u017e\u00edt RCBO m\u00edsto MPCB?<\/h3>\n<p>A: <strong>\u017d\u00e1dn\u00fd.<\/strong> Standardn\u00ed RCBO postr\u00e1daj\u00ed specifick\u00e9 charakteristiky pro rozb\u011bh motoru (typ D nebo K) a citlivost na v\u00fdpadek f\u00e1ze, kter\u00e9 jsou pro motory vy\u017eadov\u00e1ny. Jsou tak\u00e9 n\u00e1chyln\u00e9 k ru\u0161iv\u00e9mu vyp\u00edn\u00e1n\u00ed v d\u016fsledku svodov\u00fdch proud\u016f motoru. Pou\u017eijte pro motor vyhrazen\u00fd MPCB, a pokud je ochrana proti zemn\u00edmu spojen\u00ed pr\u00e1vn\u011b vy\u017eadov\u00e1na, um\u00edst\u011bte p\u0159ed n\u011bj vhodn\u00fd RCD typu B nebo F.<\/p>\n<h3>Q: Jak\u00e1 je doporu\u010den\u00e1 frekvence \u00fadr\u017eby pr\u016fmyslov\u00fdch jisti\u010d\u016f VIOX?<\/h3>\n<p>A: Podle pokyn\u016f IEC 60947-2 by pr\u016fmyslov\u00e9 jisti\u010de (MCCB a ACB) m\u011bly podl\u00e9hat vizu\u00e1ln\u00ed kontrole ro\u010dn\u011b. \u00dapln\u00fd funk\u010dn\u00ed test (mechanick\u00fd a elektrick\u00fd test vypnut\u00ed) se doporu\u010duje ka\u017ed\u00e9 3\u20135 roky v z\u00e1vislosti na podm\u00ednk\u00e1ch prost\u0159ed\u00ed (stupe\u0148 zne\u010di\u0161t\u011bn\u00ed) a kriti\u010dnosti z\u00e1t\u011b\u017ee.<\/p>\n<figure style=\"text-align: center; margin: 20px 0;\"><img decoding=\"async\" style=\"max-width: 100%; height: auto; border: 1px solid #eee;\" src=\"https:\/\/img.viox.com\/Wide-view-of-a-professional-VIOX-industrial-switchgear-lineup-installation.webp\" alt=\"Professional VIOX industrial switchgear lineup installation\" \/><figcaption style=\"font-style: italic; text-align: center; color: #555; margin-top: 8px;\">Obr\u00e1zek 6: Kompletn\u00ed instalace pr\u016fmyslov\u00fdch rozvad\u011b\u010d\u016f VIOX.<\/figcaption><\/figure>\n<hr \/>\n<h2>Dal\u0161\u00ed \u010detba<\/h2>\n<p>Pro v\u00edce informac\u00ed o specifick\u00fdch komponentech uveden\u00fdch v tomto r\u00e1mci si prostudujte tyto technick\u00e9 p\u0159\u00edru\u010dky VIOX:<\/p>\n<ul>\n<li><a href=\"https:\/\/test.viox.com\/cs\/circuit-breaker-vs-isolator-switch\/\">Jisti\u010d vs. odpojova\u010d<\/a> \u2013 Pochopen\u00ed z\u00e1kladn\u00edch rozd\u00edl\u016f v izolaci.<\/li>\n<li><a href=\"https:\/\/test.viox.com\/cs\/understanding-ground-fault-protection\/\">Pochopen\u00ed ochrany proti zemn\u00edmu spojen\u00ed<\/a> \u2013 Hlub\u0161\u00ed ponor do ochrany osob a za\u0159\u00edzen\u00ed.<\/li>\n<li><a href=\"https:\/\/test.viox.com\/cs\/what-is-over-under-voltage-protector\/\">Co je p\u0159ep\u011b\u0165ov\u00e1\/podp\u011b\u0165ov\u00e1 ochrana?<\/a> \u2013 Ochrana proti nestabilit\u011b s\u00edt\u011b.<\/li>\n<\/ul>\n<\/div>\n<div class=\"simg-pop-btn\" style=\"top: 1346.7px; left: 14px; display: none;\"><\/div>\n<div class=\"simg-pop-btn\" style=\"top: 1346.7px; left: 14px; display: none;\"><\/div>\n<div class=\"simg-pop-btn\" style=\"top: 3015.64px; left: 14px; display: none;\"><\/div>\n<div class=\"simg-pop-btn\" style=\"top: 3015.64px; left: 14px; display: none;\"><\/div>\n<div class=\"simg-pop-btn\" style=\"top: 7140.59px; left: 14px;\" data-hover=\"0\"><\/div>\n<div class=\"simg-pop-btn\" style=\"top: 7140.59px; left: 14px; display: none;\"><\/div>","protected":false},"excerpt":{"rendered":"<p>Introduction: Beyond the Nameplate Rating In the world of industrial panel building, a dangerous misconception persists: that selecting a circuit breaker begins and ends with the rated current (In). This oversimplification is the leading cause of &#8220;nuisance tripping&#8221; during commissioning and, more catastrophically, switchgear failure during actual fault conditions. A 100A breaker is not always [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":21287,"comment_status":"closed","ping_status":"closed","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-21286","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\/21286","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=21286"}],"version-history":[{"count":1,"href":"https:\/\/test.viox.com\/cs\/wp-json\/wp\/v2\/posts\/21286\/revisions"}],"predecessor-version":[{"id":21288,"href":"https:\/\/test.viox.com\/cs\/wp-json\/wp\/v2\/posts\/21286\/revisions\/21288"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/test.viox.com\/cs\/wp-json\/wp\/v2\/media\/21287"}],"wp:attachment":[{"href":"https:\/\/test.viox.com\/cs\/wp-json\/wp\/v2\/media?parent=21286"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/test.viox.com\/cs\/wp-json\/wp\/v2\/categories?post=21286"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/test.viox.com\/cs\/wp-json\/wp\/v2\/tags?post=21286"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}