{"id":15407,"date":"2025-04-11T09:09:09","date_gmt":"2025-04-11T01:09:09","guid":{"rendered":"https:\/\/viox.com\/?p=15407"},"modified":"2026-03-17T21:38:18","modified_gmt":"2026-03-17T13:38:18","slug":"rccb-full-form-understanding-residual-current-circuit-breakers","status":"publish","type":"post","link":"https:\/\/test.viox.com\/cs\/rccb-full-form-understanding-residual-current-circuit-breakers\/","title":{"rendered":"RCCB \u2013 pln\u00fd tvar v elektrotechnice: v\u00fdznam, funkce a rozd\u00edly"},"content":{"rendered":"<div class=\"product-intro\">\n<p>Pokud hled\u00e1te v\u00fdznam <strong>RCCB<\/strong>, p\u0159\u00edm\u00e1 odpov\u011b\u010f je jednoduch\u00e1:<\/p>\n<p><strong>RCCB pln\u00fd tvar<\/strong> znamen\u00e1 <strong>Proudov\u00fd chr\u00e1ni\u010d<\/strong>.<\/p>\n<p>To je kr\u00e1tk\u00e1 odpov\u011b\u010f, ale ne cel\u00e1. V re\u00e1ln\u00e9m elektrick\u00e9m pou\u017eit\u00ed, <strong>RCCB<\/strong>, <strong>proudov\u00fd chr\u00e1ni\u010d (RCD)<\/strong>, <strong>RCBO<\/strong>, a n\u011bkdy dokonce i <strong>RCB<\/strong> se \u010dasto m\u00edchaj\u00ed dohromady. To vytv\u00e1\u0159\u00ed zmatek pro kupuj\u00edc\u00ed, elektrik\u00e1\u0159e, studenty a dokonce i n\u011bkter\u00e9 obsahov\u00e9 str\u00e1nky, kter\u00e9 se na toto t\u00e9ma umis\u0165uj\u00ed.<\/p>\n<h2>Co znamen\u00e1 RCCB v elektrick\u00fdch syst\u00e9mech?<\/h2>\n<p>V elektrick\u00fdch syst\u00e9mech, <strong>RCCB pln\u00fd tvar<\/strong> znamen\u00e1 <strong>Proudov\u00fd chr\u00e1ni\u010d<\/strong>.<\/p>\n<p>RCCB je ochrann\u00e9 za\u0159\u00edzen\u00ed navr\u017een\u00e9 k odpojen\u00ed obvodu, kdy\u017e detekuje <strong>zbytkov\u00e9ho proudu<\/strong>, tak\u00e9 naz\u00fdvan\u00fd <strong>zemn\u00edmu svodov\u00e9mu proudu<\/strong>. Jednodu\u0161e \u0159e\u010deno, sleduje, zda se proud odch\u00e1zej\u00edc\u00ed \u017eiv\u00fdm vodi\u010dem rovn\u00e1 proudu vracej\u00edc\u00edmu se nulov\u00fdm vodi\u010dem. Pokud \u010d\u00e1st proudu unik\u00e1 ne\u00famyslnou cestou, za\u0159\u00edzen\u00ed vypne a izoluje obvod.<\/p>\n<h3>Tabulka rychl\u00fdch odpov\u011bd\u00ed<\/h3>\n<table style=\"border-collapse: collapse; width: 100%; text-align: left;\" border=\"1\">\n<thead>\n<tr>\n<th>Term\u00edn<\/th>\n<th>V\u00fdznam<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>RCCB pln\u00fd tvar<\/td>\n<td>Proudov\u00fd chr\u00e1ni\u010d<\/td>\n<\/tr>\n<tr>\n<td>Hlavn\u00ed \u00fa\u010del<\/td>\n<td>Detekovat zbytkov\u00fd proud nebo zemn\u00ed svod a odpojit obvod<\/td>\n<\/tr>\n<tr>\n<td>Hlavn\u00ed bezpe\u010dnostn\u00ed hodnota<\/td>\n<td>Pom\u00e1h\u00e1 sni\u017eovat riziko \u00farazu elektrick\u00fdm proudem a zemn\u00edho zkratu<\/td>\n<\/tr>\n<tr>\n<td>\u010casto zam\u011b\u0148ov\u00e1no s<\/td>\n<td>RCD, RCBO, RCB a MCB<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>Tak\u017ee pokud \u010dten\u00e1\u0159 chce pouze rozvinut\u00ed zkratky, odpov\u011b\u010f je jasn\u00e1: <a href=\"https:\/\/test.viox.com\/cs\/rccb\/\"><strong>Proudov\u00fd chr\u00e1ni\u010d<\/strong><\/a>. Pokud ale chce \u010dten\u00e1\u0159 spr\u00e1vn\u011b porozum\u011bt za\u0159\u00edzen\u00ed, dal\u0161\u00ed ot\u00e1zkou je, \u010d\u00edm se RCCB li\u0161\u00ed od \u0161ir\u0161\u00edho pojmu <strong>proudov\u00fd chr\u00e1ni\u010d (RCD)<\/strong> a od kombinovan\u00fdch za\u0159\u00edzen\u00ed, jako jsou <strong>RCBO<\/strong>.<\/p>\n<h2>Co d\u011bl\u00e1 RCCB?<\/h2>\n<figure style=\"text-align: center; margin: 20px 0;\"><img decoding=\"async\" style=\"display: block; margin: 0 auto; max-width: 100%;\" src=\"https:\/\/img.viox.com\/RCCB-installed-in-a-distribution-board-for-residual-current-protection.webp\" alt=\"RCCB installed in a distribution board for residual current protection\" \/><figcaption style=\"font-style: italic; margin-top: 10px; color: #555;\">Spr\u00e1vn\u011b nainstalovan\u00fd RCCB v rozvodn\u00e9 desce poskytuje z\u00e1kladn\u00ed ochranu proti zbytkov\u00e9mu proudu, kter\u00e1 chr\u00e1n\u00ed p\u0159ed \u00farazem elektrick\u00fdm proudem.<\/figcaption><\/figure>\n<p>RCCB je navr\u017een tak, aby chr\u00e1nil proti <strong>svodov\u00e9ho proudu<\/strong> nebo <strong>zemn\u00edmu zkratov\u00e9mu proudu<\/strong>.<\/p>\n<p>Za norm\u00e1ln\u00edch provozn\u00edch podm\u00ednek by se proud prot\u00e9kaj\u00edc\u00ed \u017eiv\u00fdm vodi\u010dem m\u011bl rovnat proudu vracej\u00edc\u00edmu se nulov\u00fdm vodi\u010dem. Pokud proud prot\u00e9k\u00e1 ne\u00famyslnou cestou, jako je vadn\u00e1 izolace, po\u0161kozen\u00e9 za\u0159\u00edzen\u00ed nebo kontakt se zem\u00ed, RCCB detekuje tuto nerovnov\u00e1hu a odpoj\u00ed obvod.<\/p>\n<p>Proto jsou RCCB spojov\u00e1ny s:<\/p>\n<ul>\n<li>ochranou p\u0159ed \u00farazem elektrick\u00fdm proudem<\/li>\n<li>ochranou proti zemn\u00edmu \u00faniku<\/li>\n<li>zv\u00fd\u0161enou bezpe\u010dnost\u00ed ve vlhk\u00e9m nebo exponovan\u00e9m prost\u0159ed\u00ed<\/li>\n<li>sn\u00ed\u017een\u00edm n\u011bkter\u00fdch rizik po\u017e\u00e1ru souvisej\u00edc\u00edch se zemn\u00edm zkratem<\/li>\n<\/ul>\n<p>Proto tak\u00e9 RCCB nen\u00ed tot\u00e9\u017e co standardn\u00ed nadproudov\u00fd jisti\u010d. Je navr\u017een kolem <strong>proudov\u00e9 nerovnov\u00e1hy<\/strong>, nikoli prim\u00e1rn\u011b kolem ochrany proti p\u0159et\u00ed\u017een\u00ed nebo zkratu.<\/p>\n<h2>Jak RCCB funguje?<\/h2>\n<figure style=\"text-align: center; margin: 20px 0;\"><img decoding=\"async\" style=\"display: block; margin: 0 auto; max-width: 100%;\" src=\"https:\/\/img.viox.com\/Technical-illustration-showing-RCCB-full-form-and-how-a-residual-current-circuit-breaker-works.webp\" alt=\"Technical illustration showing RCCB full form and how it works\" \/><figcaption style=\"font-style: italic; margin-top: 10px; color: #555;\">Podrobn\u00e1 technick\u00e1 ilustrace vysv\u011btluj\u00edc\u00ed plnou formu RCCB a vnit\u0159n\u00ed mechanismy, jak jisti\u010d zbytkov\u00e9ho proudu detekuje proudov\u00e9 nerovnov\u00e1hy.<\/figcaption><\/figure>\n<p>Pro spr\u00e1vn\u00e9 pochopen\u00ed za\u0159\u00edzen\u00ed pom\u00e1h\u00e1 porozum\u011bt z\u00e1kladn\u00edmu principu fungov\u00e1n\u00ed.<\/p>\n<p>RCCB neust\u00e1le porovn\u00e1v\u00e1 proud v \u017eiv\u00e9m a nulov\u00e9m vodi\u010di. Ve zdrav\u00e9m obvodu jsou tyto proudy vyv\u00e1\u017een\u00e9. Pokud proud unik\u00e1 do zem\u011b nebo jinou ne\u00famyslnou cestou, rovnov\u00e1ha se ztr\u00e1c\u00ed. RCCB detekuje tento abnorm\u00e1ln\u00ed stav a vypne.<\/p>\n<h3>Z\u00e1kladn\u00ed provozn\u00ed logika<\/h3>\n<table style=\"border-collapse: collapse; width: 100%; text-align: left;\" border=\"1\">\n<thead>\n<tr>\n<th>Stav obvodu<\/th>\n<th>Co RCCB detekuje<\/th>\n<th>Typick\u00fd v\u00fdsledek<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>Normal operation<\/td>\n<td>Odchoz\u00ed proud se rovn\u00e1 vracej\u00edc\u00edmu se proudu<\/td>\n<td>Nevypne<\/td>\n<\/tr>\n<tr>\n<td>Zemn\u00ed svod<\/td>\n<td>Odchoz\u00ed proud se pln\u011b nevrac\u00ed nulov\u00fdm vodi\u010dem<\/td>\n<td>V\u00fdlet<\/td>\n<\/tr>\n<tr>\n<td>Kontakt s vadn\u00fdm za\u0159\u00edzen\u00edm<\/td>\n<td>Proud unik\u00e1 z ur\u010den\u00e9 cesty obvodu<\/td>\n<td>Za\u0159\u00edzen\u00ed se odpoj\u00ed, pokud \u00fanik p\u0159ekro\u010d\u00ed jeho provozn\u00ed pr\u00e1h<\/td>\n<\/tr>\n<tr>\n<td>Po\u0161kozen\u00ed izolace<\/td>\n<td>Proud unik\u00e1 do zem\u011b nebo jinou ne\u00famyslnou cestou<\/td>\n<td>Obvod se odpoj\u00ed, kdy\u017e se porucha stane dostate\u010dn\u011b v\u00fdznamnou<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>Proto je ochrana RCCB d\u016fle\u017eit\u00e1 v m\u00edstech, kde mohou lid\u00e9 p\u0159ij\u00edt do kontaktu s vadn\u00fdm za\u0159\u00edzen\u00edm nebo kde by zemn\u00ed \u00fanik jinak nebyl detekov\u00e1n b\u011b\u017en\u00fdm jisti\u010dem.<\/p>\n<h2>Typy RCCB: Pro\u010d z\u00e1le\u017e\u00ed na citlivosti na vlnov\u00fd pr\u016fb\u011bh<\/h2>\n<p>Jedna d\u016fle\u017eit\u00e1 vrstva, kterou mnoho str\u00e1nek ve stylu zkratek postr\u00e1d\u00e1, je, \u017ee ne ka\u017ed\u00fd RCCB je ur\u010den pro stejn\u00e9 prost\u0159ed\u00ed s vlnov\u00fdm pr\u016fb\u011bhem \u00faniku.<\/p>\n<p>Ve star\u0161\u00edch nebo jednodu\u0161\u0161\u00edch obvodech m\u016f\u017ee sta\u010dit z\u00e1kladn\u00ed jisti\u010d zbytkov\u00e9ho proudu. Ale v modern\u00edch instalac\u00edch s elektronikou, pohony s prom\u011bnn\u00fdmi ot\u00e1\u010dkami, st\u0159\u00edda\u010di, nab\u00edjec\u00edm za\u0159\u00edzen\u00edm pro elektromobily nebo sol\u00e1rn\u00edm za\u0159\u00edzen\u00edm z\u00e1le\u017e\u00ed na typu vlnov\u00e9ho pr\u016fb\u011bhu mnohem v\u00edce.<\/p>\n<h3>B\u011b\u017en\u00e9 typy vlnov\u00fdch pr\u016fb\u011bh\u016f RCCB<\/h3>\n<table style=\"border-collapse: collapse; width: 100%; text-align: left;\" border=\"1\">\n<thead>\n<tr>\n<th>Typ RCCB<\/th>\n<th>S \u010d\u00edm je b\u011b\u017en\u011b spojov\u00e1n<\/th>\n<th>Typick\u00e1 aplika\u010dn\u00ed pozn\u00e1mka<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>Typ AC<\/td>\n<td>St\u0159\u00eddav\u00fd sinusov\u00fd zbytkov\u00fd proud<\/td>\n<td>Tradi\u010dn\u011bj\u0161\u00ed z\u00e1t\u011b\u017ee pouze na st\u0159\u00eddav\u00fd proud<\/td>\n<\/tr>\n<tr>\n<td>Typ A<\/td>\n<td>St\u0159\u00eddav\u00fd a pulzuj\u00edc\u00ed stejnosm\u011brn\u00fd rezidu\u00e1ln\u00ed proud<\/td>\n<td>B\u011b\u017en\u00e9 v modern\u00edch obvodech s elektronick\u00fdmi z\u00e1t\u011b\u017eemi<\/td>\n<\/tr>\n<tr>\n<td>Typ B<\/td>\n<td>St\u0159\u00eddav\u00fd, pulzuj\u00edc\u00ed stejnosm\u011brn\u00fd a hladk\u00fd stejnosm\u011brn\u00fd zbytkov\u00fd proud<\/td>\n<td>Pou\u017e\u00edv\u00e1 se tam, kde m\u016f\u017ee b\u00fdt p\u0159\u00edtomna slo\u017eit\u011bj\u0161\u00ed v\u00fdkonov\u00e1 elektronika<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>Z\u00e1le\u017e\u00ed na tom, proto\u017ee za\u0159\u00edzen\u00ed, kter\u00e9 nen\u00ed vhodn\u00e9 pro skute\u010dn\u00fd vlnov\u00fd pr\u016fb\u011bh unikaj\u00edc\u00edho proudu, nemus\u00ed b\u00fdt pro danou aplikaci vhodn\u00e9, i kdy\u017e proudov\u00e9 zat\u00ed\u017een\u00ed a uspo\u0159\u00e1d\u00e1n\u00ed p\u00f3l\u016f vypadaj\u00ed spr\u00e1vn\u011b.<\/p>\n<p>To je jeden z d\u016fvod\u016f, pro\u010d se v\u00fdb\u011br za\u0159\u00edzen\u00ed pro zbytkov\u00fd proud stal v modern\u00edch instalac\u00edch d\u016fle\u017eit\u011bj\u0161\u00edm. Pokud v\u00e1\u0161 projekt zahrnuje nab\u00edjen\u00ed elektromobil\u016f, syst\u00e9my zalo\u017een\u00e9 na st\u0159\u00edda\u010d\u00edch nebo jin\u00e9 elektronick\u00e9 za\u0159\u00edzen\u00ed, dal\u0161\u00ed relevantn\u00ed str\u00e1nka je <a href=\"https:\/\/test.viox.com\/cs\/rccb-ev-charging-type-b-vs-type-f-vs-type-ev\/\">RCCB typ B vs typ F vs typ EV<\/a>. Pokud chcete \u0161ir\u0161\u00ed pohled na kategorii, <a href=\"https:\/\/test.viox.com\/cs\/electronic-vs-electromagnetic-rcd\/\">elektronick\u00e9 vs elektromagnetick\u00e9 RCD<\/a> je tak\u00e9 u\u017eite\u010dn\u00fd kontext.<\/p>\n<h2>RCCB vs RCD: Jak\u00fd je rozd\u00edl?<\/h2>\n<figure style=\"text-align: center; margin: 20px 0;\"><img decoding=\"async\" style=\"display: block; margin: 0 auto; max-width: 100%;\" src=\"https:\/\/img.viox.com\/Comparison-infographic-showing-the-differences-between-RCCB-RCD-RCBO-and-MCB.webp\" alt=\"Comparison infographic showing the differences between RCCB, RCD, RCBO, and MCB\" \/><figcaption style=\"font-style: italic; margin-top: 10px; color: #555;\">Technick\u00e1 srovn\u00e1vac\u00ed infografika podrobn\u011b popisuj\u00edc\u00ed funk\u010dn\u00ed rozd\u00edly mezi elektrick\u00fdmi ochrann\u00fdmi za\u0159\u00edzen\u00edmi RCCB, RCD, RCBO a MCB.<\/figcaption><\/figure>\n<p>Toto je nejd\u016fle\u017eit\u011bj\u0161\u00ed \u010d\u00e1st, kterou je t\u0159eba spr\u00e1vn\u011b pochopit, pokud chcete, aby se tato str\u00e1nka l\u00e9pe umis\u0165ovala pro samotn\u00fd dotaz na zkratku.<\/p>\n<p>Mnoho str\u00e1nek se chov\u00e1 <strong>RCCB<\/strong> a <strong>proudov\u00fd chr\u00e1ni\u010d (RCD)<\/strong> jako by byly identick\u00e9. To nen\u00ed nejjasn\u011bj\u0161\u00ed zp\u016fsob, jak vysv\u011btlit terminologii.<\/p>\n<h3>RCD je \u0161ir\u0161\u00ed kategori\u00e1ln\u00ed term\u00edn<\/h3>\n<p><strong>proudov\u00fd chr\u00e1ni\u010d (RCD)<\/strong> obvykle znamen\u00e1 <strong>Proudov\u00fd chr\u00e1ni\u010d<\/strong>. V mnoha kontextech ve stylu IEC je to \u0161ir\u0161\u00ed rodinn\u00fd term\u00edn pro za\u0159\u00edzen\u00ed, kter\u00e1 poskytuj\u00ed ochranu proti zbytkov\u00e9mu proudu.<\/p>\n<h3>RCCB je specifi\u010dt\u011bj\u0161\u00ed produktov\u00fd term\u00edn<\/h3>\n<p><strong>RCCB<\/strong> obvykle znamen\u00e1 <strong>Proudov\u00fd chr\u00e1ni\u010d<\/strong>. V mnoha technick\u00fdch kataloz\u00edch a produktov\u00fdch diskus\u00edch je to p\u0159esn\u011bj\u0161\u00ed term\u00edn pro za\u0159\u00edzen\u00ed, kter\u00e9 vyp\u00edn\u00e1 p\u0159i zbytkov\u00e9m proudu, ale samo o sob\u011b neposkytuje stejnou funkci nadproudov\u00e9 ochrany jako MCB.<\/p>\n<h3>Pro\u010d na tom z\u00e1le\u017e\u00ed<\/h3>\n<p>Kdy\u017e u\u017eivatel\u00e9 hledaj\u00ed tento term\u00edn, \u010dasto cht\u011bj\u00ed:<\/p>\n<ul>\n<li>rozeps\u00e1n\u00ed zkratky<\/li>\n<li>jasnou definici za\u0159\u00edzen\u00ed<\/li>\n<li>jednoduch\u00e9 vysv\u011btlen\u00ed, jak RCCB souvis\u00ed s RCD<\/li>\n<\/ul>\n<p>Proto by tato str\u00e1nka m\u011bla b\u00fdt p\u0159esn\u011bj\u0161\u00ed ne\u017e \u0161ir\u0161\u00ed srovn\u00e1vac\u00ed \u010dl\u00e1nky.<\/p>\n<h3>Tabulka RCCB vs RCD<\/h3>\n<table style=\"border-collapse: collapse; width: 100%; text-align: left;\" border=\"1\">\n<thead>\n<tr>\n<th>Term\u00edn<\/th>\n<th>Cel\u00fd n\u00e1zev<\/th>\n<th>Jak se b\u011b\u017en\u011b pou\u017e\u00edv\u00e1<\/th>\n<th>Kl\u00ed\u010dov\u00e1 pozn\u00e1mka<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>proudov\u00fd chr\u00e1ni\u010d (RCD)<\/td>\n<td>Proudov\u00fd chr\u00e1ni\u010d<\/td>\n<td>\u0160irok\u00fd kategori\u00e1ln\u00ed term\u00edn<\/td>\n<td>Zast\u0159e\u0161uj\u00edc\u00ed term\u00edn pro za\u0159\u00edzen\u00ed na ochranu proti zbytkov\u00e9mu proudu<\/td>\n<\/tr>\n<tr>\n<td>RCCB<\/td>\n<td>Proudov\u00fd chr\u00e1ni\u010d<\/td>\n<td>Specifick\u00fd produktov\u00fd term\u00edn<\/td>\n<td>Jeden b\u011b\u017en\u00fd typ za\u0159\u00edzen\u00ed v r\u00e1mci \u0161ir\u0161\u00ed rodiny RCD<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>Pokud \u010dten\u00e1\u0159 chce \u0161ir\u0161\u00ed terminologickou mapu, VIOX ji\u017e m\u00e1 podp\u016frn\u00fd \u010dl\u00e1nek o <a href=\"https:\/\/test.viox.com\/cs\/what-is-the-difference-between-mcb-mccb-rcb-rcd-rccb-and-rcbo\/\">rozd\u00edl mezi MCB, MCCB, RCB, RCD, RCCB a RCBO<\/a>.<\/p>\n<h2>RCCB vs RCBO<\/h2>\n<p>Toto je dal\u0161\u00ed ot\u00e1zka, kterou si mnoho \u010dten\u00e1\u0159\u016f klade po pochopen\u00ed zkratky a n\u00e1zvu za\u0159\u00edzen\u00ed.<\/p>\n<p>. <strong>RCCB<\/strong> poskytuje ochranu proti zbytkov\u00e9mu proudu.<\/p>\n<p>. <strong>RCBO<\/strong> poskytuje:<\/p>\n<ul>\n<li>proudov\u00e1 ochrana<\/li>\n<li>ochranu proti p\u0159et\u00ed\u017een\u00ed<\/li>\n<li>ochranu proti zkratu<\/li>\n<\/ul>\n<p>To znamen\u00e1, \u017ee RCBO kombinuje role ochrany proti zbytkov\u00e9mu proudu a nadproudov\u00e9 ochrany v jednom za\u0159\u00edzen\u00ed, zat\u00edmco RCCB se obvykle pou\u017e\u00edv\u00e1 spole\u010dn\u011b se samostatnou nadproudovou ochranou, kde je to pot\u0159eba.<\/p>\n<h3>Tabulka RCCB vs RCBO<\/h3>\n<table style=\"border-collapse: collapse; width: 100%; text-align: left;\" border=\"1\">\n<thead>\n<tr>\n<th>Za\u0159\u00edzen\u00ed<\/th>\n<th>Ochrana proti rezidu\u00e1ln\u00edmu proudu<\/th>\n<th>Nadproudov\u00e1 ochrana<\/th>\n<th>Typick\u00e1 logika pou\u017eit\u00ed<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>RCCB<\/td>\n<td>Ano<\/td>\n<td>Ne<\/td>\n<td>Pou\u017e\u00edv\u00e1 se tam, kde je pot\u0159eba ochrana proti \u00faniku a nadproudov\u00e1 ochrana je \u0159e\u0161ena samostatn\u011b<\/td>\n<\/tr>\n<tr>\n<td>RCBO<\/td>\n<td>Ano<\/td>\n<td>Ano<\/td>\n<td>Pou\u017e\u00edv\u00e1 se tam, kde jsou ob\u011b funkce pot\u0159eba v jednom za\u0159\u00edzen\u00ed<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>Pro hlub\u0161\u00ed logiku v\u00fdb\u011bru je nejrelevantn\u011bj\u0161\u00ed podp\u016frn\u00e1 str\u00e1nka <a href=\"https:\/\/test.viox.com\/cs\/rcbo-vs-rccb-mcb-comparison-space-cost-selectivity\/\">RCBO vs RCCB a MCB<\/a>.<\/p>\n<h2>RCCB vs MCB<\/h2>\n<p>Dal\u0161\u00edm d\u016fvodem, pro\u010d u\u017eivatel\u00e9 hledaj\u00ed tento term\u00edn, je, \u017ee cht\u011bj\u00ed pochopit, jak se RCCB li\u0161\u00ed od b\u011b\u017en\u00e9ho jisti\u010de.<\/p>\n<p>. <strong>RCCB<\/strong> detekuje hlavn\u011b:<\/p>\n<ul>\n<li>svodov\u00e9ho proudu<\/li>\n<li>zbytkov\u00e9ho proudu<\/li>\n<li>zemn\u00ed poruchu nerovnov\u00e1hy<\/li>\n<\/ul>\n<p>. <strong>MCB<\/strong> detekuje hlavn\u011b:<\/p>\n<ul>\n<li>p\u0159et\u00ed\u017een\u00ed<\/li>\n<li>zkrat<\/li>\n<\/ul>\n<h3>Tabulka RCCB vs MCB<\/h3>\n<table style=\"border-collapse: collapse; width: 100%; text-align: left;\" border=\"1\">\n<thead>\n<tr>\n<th>Za\u0159\u00edzen\u00ed<\/th>\n<th>Hlavn\u00ed zam\u011b\u0159en\u00ed ochrany<\/th>\n<th>Co hlavn\u011b detekuje<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>RCCB<\/td>\n<td>\u00danikov\u00fd nebo zbytkov\u00fd proud<\/td>\n<td>Proudov\u00e1 nerovnov\u00e1ha<\/td>\n<\/tr>\n<tr>\n<td>MCB<\/td>\n<td>P\u0159et\u00ed\u017een\u00ed a zkrat<\/td>\n<td>Nadm\u011brn\u00e1 proudov\u00e1 velikost<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>Proto RCCB nenahrazuje MCB v ka\u017ed\u00e9m obvodu a MCB nenahrazuje ochranu RCCB tam, kde z\u00e1le\u017e\u00ed na bezpe\u010dnosti proti \u00faniku.<\/p>\n<p>Pokud chce \u010dten\u00e1\u0159 j\u00edt hloub\u011bji, VIOX ji\u017e m\u00e1 <a href=\"https:\/\/test.viox.com\/cs\/why-use-rccb-instead-of-mcb\/\">pro\u010d pou\u017e\u00edvat RCCB m\u00edsto MCB<\/a> a <a href=\"https:\/\/test.viox.com\/cs\/rcd-vs-mcb-understanding-the-key-differences-in-electrical-protection-devices\/\">RCD vs. MCB<\/a>.<\/p>\n<h2>Kde se pou\u017e\u00edv\u00e1 ochrana RCCB?<\/h2>\n<p>Pochopen\u00ed zkratky se st\u00e1v\u00e1 u\u017eite\u010dn\u011bj\u0161\u00edm, kdy\u017e si \u010dten\u00e1\u0159i mohou za\u0159\u00edzen\u00ed spojit se skute\u010dn\u00fdmi instalacemi.<\/p>\n<p>Ochrana RCCB je b\u011b\u017en\u011b spojov\u00e1na s:<\/p>\n<ul>\n<li>bytov\u00fdmi rozvad\u011b\u010di<\/li>\n<li>mokr\u00fdmi nebo vlhkost\u00ed n\u00e1chyln\u00fdmi oblastmi<\/li>\n<li>z\u00e1suvkov\u00fdmi obvody<\/li>\n<li>venkovn\u00edmi obvody<\/li>\n<li>komer\u010dn\u00edmi instalacemi<\/li>\n<li>obvody, kde je d\u016fle\u017eit\u00e1 ochrana proti zemn\u00edmu \u00faniku<\/li>\n<\/ul>\n<p>P\u0159esn\u00e1 pravidla instalace z\u00e1vis\u00ed na trhu, typu projektu a platn\u00fdch norm\u00e1ch, tak\u017ee se tato str\u00e1nka zam\u011b\u0159uje nejprve na funkci a terminologii, sp\u00ed\u0161e ne\u017e na vnucov\u00e1n\u00ed jedn\u00e9 univerz\u00e1ln\u00ed interpretace k\u00f3du.<\/p>\n<h2>Pro\u010d z\u00e1le\u017e\u00ed na ochran\u011b RCCB<\/h2>\n<p>B\u011b\u017en\u00e1 nadproudov\u00e1 ochrana nedetekuje ka\u017ed\u00fd nebezpe\u010dn\u00fd stav \u00faniku. Proto z\u016fst\u00e1v\u00e1 ochrana RCCB d\u016fle\u017eitou sou\u010d\u00e1st\u00ed elektrick\u00e9 bezpe\u010dnosti.<\/p>\n<p>RCCB pom\u00e1haj\u00ed sni\u017eovat riziko v situac\u00edch, kdy proud unik\u00e1 z ur\u010den\u00e9 cesty obvodu a vytv\u00e1\u0159\u00ed:<\/p>\n<ul>\n<li>riziko \u00farazu elektrick\u00fdm proudem<\/li>\n<li>riziko zemn\u00ed poruchy<\/li>\n<li>v\u011bt\u0161\u00ed nebezpe\u010d\u00ed ve vlhk\u00fdch nebo exponovan\u00fdch m\u00edstech<\/li>\n<\/ul>\n<p>To je tak\u00e9 d\u016fvod, pro\u010d \u010dten\u00e1\u0159i, kte\u0159\u00ed za\u010d\u00ednaj\u00ed zkratkou, \u010dasto p\u0159ech\u00e1zej\u00ed k ot\u00e1zk\u00e1m, jako jsou:<\/p>\n<ul>\n<li>jakou citlivost bych si m\u011bl vybrat<\/li>\n<li>jak otestuji RCCB<\/li>\n<li>jak\u00fd je rozd\u00edl mezi RCCB a ELCB<\/li>\n<li>kdy bych m\u011bl pou\u017e\u00edt RCBO m\u00edsto toho<\/li>\n<\/ul>\n<p>Neju\u017eite\u010dn\u011bj\u0161\u00ed str\u00e1nky s dal\u0161\u00edm krokem na VIOX jsou:<\/p>\n<ul>\n<li><a href=\"https:\/\/test.viox.com\/cs\/how-to-choose-the-right-rccb-sensitivity\/\">Jak vybrat spr\u00e1vnou citlivost proudov\u00e9ho chr\u00e1ni\u010de (RCCB)<\/a><\/li>\n<li><a href=\"https:\/\/test.viox.com\/cs\/how-to-check-rccb-functionality-maintenance-guide\/\">Jak zkontrolovat funk\u010dnost proudov\u00e9ho chr\u00e1ni\u010de (RCCB)<\/a><\/li>\n<li><a href=\"https:\/\/test.viox.com\/cs\/what-is-the-difference-between-rccb-and-elcb\/\">Jak\u00fd je rozd\u00edl mezi proudov\u00fdm chr\u00e1ni\u010dem (RCCB) a zemn\u00edm jisti\u010dem (ELCB)<\/a><\/li>\n<\/ul>\n<h2>Jak spr\u00e1vn\u011b \u010d\u00edst terminologii v praxi<\/h2>\n<p>Pokud n\u011bkdo hled\u00e1 tuto fr\u00e1zi, je \u010dasto na za\u010d\u00e1tku procesu u\u010den\u00ed. Neju\u017eite\u010dn\u011bj\u0161\u00ed dal\u0161\u00edm krokem je v\u011bd\u011bt, jak spr\u00e1vn\u011b \u010d\u00edst terminologii, kdy\u017e ji vid\u00ed v katalogu, specifikaci nebo na str\u00e1nce produktu.<\/p>\n<h3>Praktick\u00fd pr\u016fvodce terminologi\u00ed<\/h3>\n<table style=\"border-collapse: collapse; width: 100%; text-align: left;\" border=\"1\">\n<thead>\n<tr>\n<th>Pokud vid\u00edte\u2026<\/th>\n<th>Obvykle to znamen\u00e1\u2026<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>proudov\u00fd chr\u00e1ni\u010d (RCD)<\/td>\n<td>\u0160ir\u0161\u00ed kategorie ochrany proti rezidu\u00e1ln\u00edmu proudu<\/td>\n<\/tr>\n<tr>\n<td>RCCB<\/td>\n<td>Specifick\u00fd typ produktu proudov\u00e9ho chr\u00e1ni\u010de<\/td>\n<\/tr>\n<tr>\n<td>RCBO<\/td>\n<td>Za\u0159\u00edzen\u00ed kombinuj\u00edc\u00ed ochranu proti rezidu\u00e1ln\u00edmu proudu a nadproudovou ochranu<\/td>\n<\/tr>\n<tr>\n<td>MCB<\/td>\n<td>Jisti\u010d zam\u011b\u0159en\u00fd na ochranu proti p\u0159et\u00ed\u017een\u00ed a zkratu<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>Tato jasnost je p\u0159esn\u011b to, co by tato str\u00e1nka m\u011bla poskytovat l\u00e9pe ne\u017e \u0161ir\u0161\u00ed srovn\u00e1vac\u00ed str\u00e1nky nebo obecn\u00e9 bezpe\u010dnostn\u00ed str\u00e1nky.<\/p>\n<h2>Z\u00e1v\u011br: Od zkratky k v\u00fdb\u011bru za\u0159\u00edzen\u00ed<\/h2>\n<p>Nejsiln\u011bj\u0161\u00ed verze tohoto t\u00e9matu nekon\u010d\u00ed u fr\u00e1ze <strong>RCCB pln\u00fd tvar<\/strong>. Pom\u00e1h\u00e1 \u010dten\u00e1\u0159i p\u0159ej\u00edt od rozpozn\u00e1n\u00ed zkratky k praktick\u00e9mu porozum\u011bn\u00ed.<\/p>\n<p>Kl\u00ed\u010dov\u00e9 je jednoduch\u00e9:<\/p>\n<ul>\n<li><strong>RCCB<\/strong> znamen\u00e1 <strong>Proudov\u00fd chr\u00e1ni\u010d<\/strong><\/li>\n<li>je to specifi\u010dt\u011bj\u0161\u00ed term\u00edn za\u0159\u00edzen\u00ed v r\u00e1mci \u0161ir\u0161\u00ed rodiny ochrany proti rezidu\u00e1ln\u00edmu proudu<\/li>\n<li>li\u0161\u00ed se od <strong>MCB<\/strong> proto\u017ee se zam\u011b\u0159uje na nerovnov\u00e1hu svodov\u00e9ho proudu<\/li>\n<li>li\u0161\u00ed se od <strong>RCBO<\/strong> proto\u017ee nekombinuje nadproudovou ochranu stejn\u00fdm zp\u016fsobem<\/li>\n<li>typ vlny je nyn\u00ed d\u016fle\u017eit\u011bj\u0161\u00ed ne\u017e d\u0159\u00edve v modern\u00edch elektrick\u00fdch syst\u00e9mech<\/li>\n<\/ul>\n<p>Pokud \u010dten\u00e1\u0159 porovn\u00e1v\u00e1 produkty nebo pl\u00e1nuje n\u00e1vrh ochrany, dal\u0161\u00edm nejlep\u0161\u00edm krokem nen\u00ed zapamatovat si zkratku znovu. Je to p\u0159ej\u00edt na sousedn\u00ed rozhodovac\u00ed str\u00e1nky:<\/p>\n<ul>\n<li><a href=\"https:\/\/test.viox.com\/cs\/what-is-the-difference-between-rccb-and-elcb\/\">RCCB vs ELCB<\/a><\/li>\n<li><a href=\"https:\/\/test.viox.com\/cs\/rcbo-vs-rccb-mcb-comparison-space-cost-selectivity\/\">RCBO vs RCCB a MCB<\/a><\/li>\n<li><a href=\"https:\/\/test.viox.com\/cs\/how-to-choose-the-right-rccb-sensitivity\/\">Jak vybrat spr\u00e1vnou citlivost proudov\u00e9ho chr\u00e1ni\u010de (RCCB)<\/a><\/li>\n<li><a href=\"https:\/\/test.viox.com\/cs\/what-is-the-difference-between-mcb-mccb-rcb-rcd-rccb-rcbo\/\">Rozd\u00edl mezi MCB, MCCB, RCB, RCD, RCCB a RCBO<\/a><\/li>\n<\/ul>\n<h2>\u010cASTO KLADEN\u00c9 DOTAZY<\/h2>\n<h3>Co je zkratka RCCB?<\/h3>\n<p>Na str\u00e1nk\u00e1ch <strong>RCCB pln\u00fd tvar<\/strong> je <strong>Proudov\u00fd chr\u00e1ni\u010d<\/strong>.<\/p>\n<h3>Co je RCCB zkratka v elektrotechnice?<\/h3>\n<p>V elektrick\u00fdch syst\u00e9mech, <strong>RCCB \u2013 pln\u00fd tvar v elektrotechnice<\/strong> znamen\u00e1 <strong>Proudov\u00fd chr\u00e1ni\u010d<\/strong>, za\u0159\u00edzen\u00ed pou\u017e\u00edvan\u00e9 k odpojen\u00ed obvodu, kdy\u017e detekuje rezidu\u00e1ln\u00ed proud nebo zemn\u00ed svod.<\/p>\n<h3>Je RCCB tot\u00e9\u017e co RCD?<\/h3>\n<p>Ne tak docela. <strong>proudov\u00fd chr\u00e1ni\u010d (RCD)<\/strong> je \u010dasto \u0161ir\u0161\u00ed kategori\u00e1ln\u00ed term\u00edn, zat\u00edmco <strong>RCCB<\/strong> je specifi\u010dt\u011bj\u0161\u00ed term\u00edn produktu pou\u017e\u00edvan\u00fd pro jeden typ za\u0159\u00edzen\u00ed pro ochranu proti rezidu\u00e1ln\u00edmu proudu.<\/p>\n<h3>Je RCCB tot\u00e9\u017e co RCBO?<\/h3>\n<p>Ne. An <strong>RCBO<\/strong> kombinuje ochranu proti rezidu\u00e1ln\u00edmu proudu s nadproudovou ochranou, zat\u00edmco RCCB je obecn\u011b zam\u011b\u0159en pouze na ochranu proti rezidu\u00e1ln\u00edmu proudu.<\/p>\n<h3>Jak\u00fd je rozd\u00edl mezi proudov\u00fdm chr\u00e1ni\u010dem (RCCB) a jisti\u010dem (MCB)?<\/h3>\n<p>Proudov\u00fd chr\u00e1ni\u010d (RCCB) detekuje svodov\u00fd nebo zbytkov\u00fd proud, zat\u00edmco jisti\u010d (MCB) chr\u00e1n\u00ed hlavn\u011b proti p\u0159et\u00ed\u017een\u00ed a zkratu.<\/p>\n<h3>Pro\u010d je proudov\u00fd chr\u00e1ni\u010d (RCCB) d\u016fle\u017eit\u00fd pro elektrickou bezpe\u010dnost?<\/h3>\n<p>Proudov\u00e1 ochrana RCCB pom\u00e1h\u00e1 odpojit obvody, kdy\u017e proud unik\u00e1 z ur\u010den\u00e9 cesty, \u010d\u00edm\u017e se sni\u017euje riziko \u00farazu elektrick\u00fdm proudem a zemn\u00edho zkratu.<\/p>\n<\/div>\n<div class=\"simg-pop-btn\" style=\"top: 749.258px; left: 14px; display: none;\"><\/div>\n<div class=\"simg-pop-btn\" style=\"top: 1722.89px; left: 14px; display: none;\"><\/div>\n<div class=\"simg-pop-btn\" style=\"top: 749.258px; left: 14px; display: flex;\"><\/div>","protected":false},"excerpt":{"rendered":"<p>If you are searching for the meaning of RCCB, the direct answer is simple: RCCB Full Form means Residual Current Circuit Breaker. That is the short answer, but not the whole answer. In real electrical usage, RCCB, RCD, RCBO, and sometimes even RCB are often mixed together. That creates confusion for buyers, electricians, students, and [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":21675,"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-15407","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\/15407","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=15407"}],"version-history":[{"count":4,"href":"https:\/\/test.viox.com\/cs\/wp-json\/wp\/v2\/posts\/15407\/revisions"}],"predecessor-version":[{"id":21679,"href":"https:\/\/test.viox.com\/cs\/wp-json\/wp\/v2\/posts\/15407\/revisions\/21679"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/test.viox.com\/cs\/wp-json\/wp\/v2\/media\/21675"}],"wp:attachment":[{"href":"https:\/\/test.viox.com\/cs\/wp-json\/wp\/v2\/media?parent=15407"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/test.viox.com\/cs\/wp-json\/wp\/v2\/categories?post=15407"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/test.viox.com\/cs\/wp-json\/wp\/v2\/tags?post=15407"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}