{"id":19965,"date":"2025-11-19T01:34:00","date_gmt":"2025-11-18T17:34:00","guid":{"rendered":"https:\/\/viox.com\/?p=19965"},"modified":"2025-11-14T13:35:32","modified_gmt":"2025-11-14T05:35:32","slug":"how-to-really-test-mccb-test-button-lie","status":"publish","type":"post","link":"https:\/\/test.viox.com\/cs\/how-to-really-test-mccb-test-button-lie\/","title":{"rendered":"Jak *opravdu* testovat MCCB (a pro\u010d je tla\u010d\u00edtko \u201cTest\u201d le\u017e)"},"content":{"rendered":"<div class=\"product-intro\">\n<p><img fetchpriority=\"high\" decoding=\"async\" class=\"alignnone size-full wp-image-19966\" src=\"https:\/\/test.viox.com\/wp-content\/uploads\/2025\/11\/The-Placebo-Button.webp\" alt=\"The 'Placebo' Button\" width=\"800\" height=\"800\" srcset=\"https:\/\/test.viox.com\/wp-content\/uploads\/2025\/11\/The-Placebo-Button.webp 800w, https:\/\/test.viox.com\/wp-content\/uploads\/2025\/11\/The-Placebo-Button-300x300.webp 300w, https:\/\/test.viox.com\/wp-content\/uploads\/2025\/11\/The-Placebo-Button-150x150.webp 150w, https:\/\/test.viox.com\/wp-content\/uploads\/2025\/11\/The-Placebo-Button-768x768.webp 768w, https:\/\/test.viox.com\/wp-content\/uploads\/2025\/11\/The-Placebo-Button-12x12.webp 12w, https:\/\/test.viox.com\/wp-content\/uploads\/2025\/11\/The-Placebo-Button-600x600.webp 600w, https:\/\/test.viox.com\/wp-content\/uploads\/2025\/11\/The-Placebo-Button-100x100.webp 100w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/><\/p>\n<p>Jste na m\u00edst\u011b, p\u0159ed obrovsk\u00fdm 400A MCCB (lisovan\u00fdm jisti\u010dem), kter\u00fd funguje jako \u201chlavn\u00ed br\u00e1na\u201d pro kritickou v\u00fdrobn\u00ed linku.<\/p>\n<p>Pot\u0159ebujete jej \u201cotestovat\u201d. Vid\u00edte mal\u00e9 tla\u010d\u00edtko \u201cPush-to-Trip\u201d (PTT). Stisknete ho.<\/p>\n<p><em>KLAP.<\/em><\/p>\n<p>Jisti\u010d vypne.<\/p>\n<p>Va\u0161e pr\u00e1ce je hotov\u00e1, \u017ee? \u201cOtestovali\u201d jste jisti\u010d?<\/p>\n<p>Ne. Ud\u011blali jste <em>nic<\/em> ale test pru\u017einy. Pr\u00e1v\u011b jste nalet\u011bli na <strong>\u201cPlacebo tla\u010d\u00edtko.\u2018<\/strong> Zde je pravda o tomto \u201ctestu\u201d a jak <em>opravdu<\/em> poznat, zda je v\u00e1\u0161 jisti\u010d \u201cstr\u00e1\u017ece\u201d nebo jen \u201cbomba\u201d.\u201d<\/p>\n<hr \/>\n<h2>Analogie \u201cHl\u00e1si\u010de kou\u0159e\u201d: Co to tla\u010d\u00edtko <em>skute\u010dn\u011b<\/em> D\u011bl\u00e1<\/h2>\n<p><img decoding=\"async\" class=\"alignnone size-full wp-image-19968\" src=\"https:\/\/test.viox.com\/wp-content\/uploads\/2025\/11\/The-22Smoke-Alarm22-Analogy-What-That-Button-Actually-Does.webp\" alt=\"The &quot;Smoke Alarm&quot; Analogy: What That Button Actually Does\" width=\"800\" height=\"800\" srcset=\"https:\/\/test.viox.com\/wp-content\/uploads\/2025\/11\/The-22Smoke-Alarm22-Analogy-What-That-Button-Actually-Does.webp 800w, https:\/\/test.viox.com\/wp-content\/uploads\/2025\/11\/The-22Smoke-Alarm22-Analogy-What-That-Button-Actually-Does-300x300.webp 300w, https:\/\/test.viox.com\/wp-content\/uploads\/2025\/11\/The-22Smoke-Alarm22-Analogy-What-That-Button-Actually-Does-150x150.webp 150w, https:\/\/test.viox.com\/wp-content\/uploads\/2025\/11\/The-22Smoke-Alarm22-Analogy-What-That-Button-Actually-Does-768x768.webp 768w, https:\/\/test.viox.com\/wp-content\/uploads\/2025\/11\/The-22Smoke-Alarm22-Analogy-What-That-Button-Actually-Does-12x12.webp 12w, https:\/\/test.viox.com\/wp-content\/uploads\/2025\/11\/The-22Smoke-Alarm22-Analogy-What-That-Button-Actually-Does-600x600.webp 600w, https:\/\/test.viox.com\/wp-content\/uploads\/2025\/11\/The-22Smoke-Alarm22-Analogy-What-That-Button-Actually-Does-100x100.webp 100w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/><\/p>\n<p>Nejv\u011bt\u0161\u00ed \u201cAha!\u201d moment v elektrick\u00e9 bezpe\u010dnosti je tento: Stisknut\u00ed tla\u010d\u00edtka \u201cTest\u201d je <em>p\u0159esn\u011b<\/em> jako stisknut\u00ed tla\u010d\u00edtka \u201cTest\u201d na hl\u00e1si\u010di kou\u0159e u v\u00e1s doma.<\/p>\n<p>Zamyslete se nad t\u00edm.<\/p>\n<ul>\n<li><strong>Co to dokazuje:<\/strong> Houka\u010dka <em>p\u00edp\u00e1<\/em>. Baterie m\u00e1 energii. Vnit\u0159n\u00ed <em>houka\u010dka<\/em> funguje.<\/li>\n<li><strong>Co to NEDOKAZUJE:<\/strong> \u017de <strong>\u201csenzor kou\u0159e\u201d<\/strong> (mozek) dok\u00e1\u017ee skute\u010dn\u011b <em>real<\/em> detekovat kou\u0159 <em>\u017de tla\u010d\u00edtko \"Test\" na MCCB je stejn\u00e9. Je to<\/em>.<\/li>\n<\/ul>\n<p>mechanick\u00fd <strong>test, nikoli<\/strong> Tla\u010d\u00edtko PTT je jen mal\u00e1 plastov\u00e1 ty\u010dka, kter\u00e1 <strong>elektrick\u00fd<\/strong> spr\u00e1vn\u00fd.<\/p>\n<p>obch\u00e1z\u00ed <em>skute\u010dn\u00fd \"mozek\" a mechanicky \"\u0161\u0165ouchne\" do kone\u010dn\u00e9 z\u00e1padky vypnut\u00ed. Potvrdili jste, \u017ee \"\u00fadern\u00edk\" funguje, ne \u017ee \"spou\u0161\u0165\" m\u016f\u017ee b\u00fdt skute\u010dn\u011b zata\u017eena senzory.<\/em> \u201cDva mozky\u201d, kter\u00e9 \u201cPlacebo\u201d tla\u010d\u00edtko ignoruje.<\/p>\n<hr \/>\n<h2>Jisti\u010d m\u00e1 dva<\/h2>\n<p><img decoding=\"async\" class=\"alignnone size-full wp-image-19970\" src=\"https:\/\/test.viox.com\/wp-content\/uploads\/2025\/11\/The-22Two-Brains22-That-22Placebo22-Button-Ignores.webp\" alt=\"The &quot;Two Brains&quot; That &quot;Placebo&quot; Button Ignores\" width=\"800\" height=\"800\" srcset=\"https:\/\/test.viox.com\/wp-content\/uploads\/2025\/11\/The-22Two-Brains22-That-22Placebo22-Button-Ignores.webp 800w, https:\/\/test.viox.com\/wp-content\/uploads\/2025\/11\/The-22Two-Brains22-That-22Placebo22-Button-Ignores-300x300.webp 300w, https:\/\/test.viox.com\/wp-content\/uploads\/2025\/11\/The-22Two-Brains22-That-22Placebo22-Button-Ignores-150x150.webp 150w, https:\/\/test.viox.com\/wp-content\/uploads\/2025\/11\/The-22Two-Brains22-That-22Placebo22-Button-Ignores-768x768.webp 768w, https:\/\/test.viox.com\/wp-content\/uploads\/2025\/11\/The-22Two-Brains22-That-22Placebo22-Button-Ignores-12x12.webp 12w, https:\/\/test.viox.com\/wp-content\/uploads\/2025\/11\/The-22Two-Brains22-That-22Placebo22-Button-Ignores-600x600.webp 600w, https:\/\/test.viox.com\/wp-content\/uploads\/2025\/11\/The-22Two-Brains22-That-22Placebo22-Button-Ignores-100x100.webp 100w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/><\/p>\n<p>\"mozky\" (vyp\u00ednac\u00ed jednotky), kter\u00e9 jsou navr\u017eeny tak, aby zachr\u00e1nily va\u0161e za\u0159\u00edzen\u00ed a v\u00e1\u0161 \u017eivot. Toto \"placebo\" tla\u010d\u00edtko netestuje <em>real<\/em> \u201cani jeden z nich <strong>Mozek 1: \"Pomal\u00fd hrnec\" (tepeln\u00e1 spou\u0161\u0165)<\/strong>.<\/p>\n<h3>Pro detekci<\/h3>\n<ul>\n<li><strong>Jeho \u00fakol:<\/strong> (nap\u0159. 100A jisti\u010d b\u011b\u017e\u00edc\u00ed na 120A po dobu 10 minut). <strong>p\u0159et\u00ed\u017een\u00ed<\/strong> Bimetalov\u00fd p\u00e1sek (dva kovy).<\/li>\n<li><strong>Jak to funguje:<\/strong> pomalu <em>se zah\u0159\u00edv\u00e1 nadm\u011brn\u00fdm proudem. Jak se zah\u0159\u00edv\u00e1, oh\u00fdb\u00e1 se a nakonec - jako \u010dasova\u010d \"pomal\u00e9ho hrnce\" - se<\/em> oh\u00fdb\u00e1 <em>dostate\u010dn\u011b daleko, aby \"\u0161\u0165ouchl\" do z\u00e1padky vypnut\u00ed.<\/em> Pro\u010d na tom z\u00e1le\u017e\u00ed:.<\/li>\n<li><strong>To chr\u00e1n\u00ed va\u0161e kabely p\u0159ed p\u0159eh\u0159\u00e1t\u00edm ve zdi, roztaven\u00edm a vznikem po\u017e\u00e1ru.<\/strong> Mozek 2: \"Past na my\u0161i\" (magnetick\u00e1 spou\u0161\u0165).<\/li>\n<\/ul>\n<h3>(nap\u0159. porucha 1000A ze zkratu).<\/h3>\n<ul>\n<li><strong>Jeho \u00fakol:<\/strong> (nap\u0159. 100A jisti\u010d b\u011b\u017e\u00edc\u00ed na 120A po dobu 10 minut). <strong>zkraty<\/strong> Elektromagnet.<\/li>\n<li><strong>Jak to funguje:<\/strong> (v milisekund\u00e1ch) generuje siln\u00e9 magnetick\u00e9 pole z masivn\u00edho n\u00e1r\u016fstu proudu. Toto pole <em>okam\u017eit\u011b<\/em> cvakne <em>p\u00e1ku - jako \"past na my\u0161i\" - aby \"\u0161\u0165ouchla\" do z\u00e1padky vypnut\u00ed.<\/em> To v\u00e1s chr\u00e1n\u00ed p\u0159ed.<\/li>\n<li><strong>To chr\u00e1n\u00ed va\u0161e kabely p\u0159ed p\u0159eh\u0159\u00e1t\u00edm ve zdi, roztaven\u00edm a vznikem po\u017e\u00e1ru.<\/strong> obloukov\u00fdm v\u00fdbojem <a href=\"https:\/\/test.viox.com\/cs\/what-is-an-arc-in-a-circuit-breaker\/\">exploz\u00ed, poruchami ni\u010d\u00edc\u00edmi za\u0159\u00edzen\u00ed a velmi \u0161patn\u00fdm dnem.<\/a> Tla\u010d\u00edtko PTT zcela obch\u00e1z\u00ed oba tyto \u017eivot zachra\u0148uj\u00edc\u00ed \"mozky\".<\/li>\n<\/ul>\n<p>\u201cSelh\u00e1n\u00ed 800A\u201d: Kdy\u017e se z \"jisti\u010de\" stane \"vyp\u00edna\u010d\"<\/p>\n<hr \/>\n<h2>\u201cTak co?\u201d \u0159\u00edk\u00e1te. \u201cPokud pru\u017eina funguje, mozky jsou pravd\u011bpodobn\u011b v po\u0159\u00e1dku.\u201d<\/h2>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-19971\" src=\"https:\/\/test.viox.com\/wp-content\/uploads\/2025\/11\/The-22800A-Failure22-When-a-22Breaker22-Becomes-a-22Switch22.webp\" alt=\"The &quot;800A Failure&quot;: When a &quot;Breaker&quot; Becomes a &quot;Switch&quot;\" width=\"800\" height=\"800\" srcset=\"https:\/\/test.viox.com\/wp-content\/uploads\/2025\/11\/The-22800A-Failure22-When-a-22Breaker22-Becomes-a-22Switch22.webp 800w, https:\/\/test.viox.com\/wp-content\/uploads\/2025\/11\/The-22800A-Failure22-When-a-22Breaker22-Becomes-a-22Switch22-300x300.webp 300w, https:\/\/test.viox.com\/wp-content\/uploads\/2025\/11\/The-22800A-Failure22-When-a-22Breaker22-Becomes-a-22Switch22-150x150.webp 150w, https:\/\/test.viox.com\/wp-content\/uploads\/2025\/11\/The-22800A-Failure22-When-a-22Breaker22-Becomes-a-22Switch22-768x768.webp 768w, https:\/\/test.viox.com\/wp-content\/uploads\/2025\/11\/The-22800A-Failure22-When-a-22Breaker22-Becomes-a-22Switch22-12x12.webp 12w, https:\/\/test.viox.com\/wp-content\/uploads\/2025\/11\/The-22800A-Failure22-When-a-22Breaker22-Becomes-a-22Switch22-600x600.webp 600w, https:\/\/test.viox.com\/wp-content\/uploads\/2025\/11\/The-22800A-Failure22-When-a-22Breaker22-Becomes-a-22Switch22-100x100.webp 100w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/><\/p>\n<p>\u201cToto je p\u0159esn\u011b to my\u0161len\u00ed, kter\u00e9 vede ke katastrof\u011b. Toto je\u201d<\/p>\n<p>\"Selh\u00e1n\u00ed 800A.\" <strong>\u201cV\u00e1le\u010dn\u00e1 historka\u201d od zku\u0161en\u00e9ho in\u017een\u00fdra energetick\u00fdch syst\u00e9m\u016f:\u201d<\/strong><\/p>\n<p>\u201cByli jsme najati, abychom provedli ro\u010dn\u00ed PM (preventivn\u00ed \u00fadr\u017ebu) v tov\u00e1rn\u011b. M\u011bli 400A MCCB na hlavn\u00edm p\u0159\u00edvodu. Bylo mu 20 let.<\/p>\n<p>\u201cWe were hired to do the annual PM (Preventive Maintenance) at a factory. They had a 400A MCCB on a main feeder. It was 20 years old.<br \/>\nPrvn\u00ed v\u011bc, kterou jsme ud\u011blali? Stiskli jsme tla\u010d\u00edtko PTT. <em>KLAP.<\/em> Vypnulo to perfektn\u011b. Provozn\u00ed \u0159editel se usm\u00e1l.<\/p>\n<p>Pot\u00e9 jsme p\u0159it\u00e1hli <strong>\u201cBestii.\u201d<\/strong><\/p>\n<p>P\u0159ipojili jsme na\u0161i testovac\u00ed sadu \u2018Prim\u00e1rn\u00ed proudov\u00e9 injekce\u2019. Tento stroj <em>nestiskne<\/em> tla\u010d\u00edtko; on jisti\u010d \u201ckrm\u00ed\u201d <em>real<\/em> proudem.<br \/>\nZa\u010dali jsme ho \u2018krmit\u2019. 500 amp\u00e9r\u2026 600 amp\u00e9r\u2026 800 amp\u00e9r\u2026<\/p>\n<p><em>Nic.<\/em><\/p>\n<p>Jisti\u010d <em>odm\u00edtal<\/em> vypnout. Tla\u010dili jsme to a\u017e na 1200 A, ne\u017e se kone\u010dn\u011b, neochotn\u011b, otev\u0159el.<\/p>\n<p>Ten 400A <strong>\u201cJisti\u010d\u201d<\/strong> zem\u0159el p\u0159ed lety. Byl to jen 400A <strong>\u201cSp\u00edna\u010d.\u201d<\/strong><\/p>\n<p>Po dobu 20 let m\u011bla cel\u00e1 ta tov\u00e1rn\u00ed linka <em>\u017e\u00e1dn\u00e9<\/em> ochranu proti p\u0159et\u00ed\u017een\u00ed. Mazivo uvnit\u0159 jisti\u010de vyschlo. Pru\u017einy byly slab\u00e9. \u201cMozek\u201d (tepeln\u00e1 jednotka) byl mrtv\u00fd.<\/p>\n<p>Byla to \u201ctikaj\u00edc\u00ed bomba\u201d, kter\u00e1 ka\u017ed\u00fd rok pro\u0161la sv\u00fdm \u201cplacebo testem\u201d.<\/p>\n<hr \/>\n<h2>Na str\u00e1nk\u00e1ch <em>Skute\u010dn\u00fd<\/em> Test: \u201cKrmen\u00ed Bestie\u201d (Prim\u00e1rn\u00ed proudov\u00e1 injekce)<\/h2>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-19973\" src=\"https:\/\/test.viox.com\/wp-content\/uploads\/2025\/11\/The-Real-Test-22Feeding-the-Beast22-Primary-Current-Injection.webp\" alt=\"The Real Test: &quot;Feeding the Beast&quot; (Primary Current Injection)\" width=\"800\" height=\"800\" srcset=\"https:\/\/test.viox.com\/wp-content\/uploads\/2025\/11\/The-Real-Test-22Feeding-the-Beast22-Primary-Current-Injection.webp 800w, https:\/\/test.viox.com\/wp-content\/uploads\/2025\/11\/The-Real-Test-22Feeding-the-Beast22-Primary-Current-Injection-300x300.webp 300w, https:\/\/test.viox.com\/wp-content\/uploads\/2025\/11\/The-Real-Test-22Feeding-the-Beast22-Primary-Current-Injection-150x150.webp 150w, https:\/\/test.viox.com\/wp-content\/uploads\/2025\/11\/The-Real-Test-22Feeding-the-Beast22-Primary-Current-Injection-768x768.webp 768w, https:\/\/test.viox.com\/wp-content\/uploads\/2025\/11\/The-Real-Test-22Feeding-the-Beast22-Primary-Current-Injection-12x12.webp 12w, https:\/\/test.viox.com\/wp-content\/uploads\/2025\/11\/The-Real-Test-22Feeding-the-Beast22-Primary-Current-Injection-600x600.webp 600w, https:\/\/test.viox.com\/wp-content\/uploads\/2025\/11\/The-Real-Test-22Feeding-the-Beast22-Primary-Current-Injection-100x100.webp 100w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/><\/p>\n<p>Tak\u017ee, jak <em>opravdu<\/em> testujete MCCB? Jak testujete \u201ckou\u0159ov\u00fd senzor\u201d, nejen \u201chouka\u010dku\u201d?<\/p>\n<p>Pou\u017e\u00edv\u00e1te <strong>\u201cNakrmte Bestii.\u201d<\/strong><\/p>\n<p>Toto nen\u00ed pr\u00e1ce pro standardn\u00edho elektrik\u00e1\u0159e; je to pr\u00e1ce pro specializovan\u00e9ho NETA (International Electrical Testing Association) Power Systems Engineer.<\/p>\n<ul>\n<li><strong>N\u00e1stroj:<\/strong> Specializovan\u00e1, vysokoproud\u00e1 \u201cMCCB Test Set\u201d. Tento stroj m\u00e1 \u010dasto velikost velk\u00e9ho kufru, v\u00e1\u017e\u00ed 50 kg a m\u016f\u017ee st\u00e1t 20 000 K\u010d i v\u00edce.<\/li>\n<li><strong>Proces:<\/strong> In\u017een\u00fdr izoluje jisti\u010d a p\u0159ipoj\u00ed k n\u011bmu tuto \u201cBestii\u201d. Stroj pak <em>ve skute\u010dnosti<\/em> vst\u0159\u00edkne 500A, 1000A nebo 3000A skute\u010dn\u00e9ho, sledovateln\u00e9ho proudu <em>skrz<\/em> \u201cmozek\u201d jisti\u010de.\u201d<\/li>\n<li><strong>V\u00fdsledek:<\/strong> Pou\u017e\u00edvaj\u00ed stopky (nebo integrovan\u00fd \u010dasova\u010d) k \u201cz\u00e1vod\u011bn\u00ed\u201d jisti\u010de proti jeho <em>zn\u00e1m\u00e9<\/em> vyp\u00ednac\u00ed charakteristice (TCC, neboli \u010casov\u011b-proudov\u00e1 charakteristika).\n<ul>\n<li>\u201cVypnul p\u0159i 800 A ve specifikovan\u00fdch 5-10 sekund\u00e1ch?\u201d (Tepeln\u00fd mozek: <strong>VYHOVUJE<\/strong>)<\/li>\n<li>\u201cVypnul p\u0159i 3000 A za 0,04 sekundy?\u201d (Magnetick\u00fd mozek: <strong>VYHOVUJE<\/strong>)<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<blockquote><p><strong>PRO-TIP:<\/strong> Elektrik\u00e1\u0159 <em>instaluje<\/em> jisti\u010d a prov\u00e1d\u00ed test PTT (mechanick\u00fd). Testovac\u00ed in\u017een\u00fdr NETA <em>certifikuje<\/em> jisti\u010d pomoc\u00ed testu prim\u00e1rn\u00ed proudov\u00e9 injekce (elektrick\u00e9ho). Zn\u00e1te svou roli. Nikdy nepodepisujte test PTT jako \u201cfunk\u010dn\u00ed bezpe\u010dnostn\u00ed test\u201d. Podepisujete \u201cnad\u011bji\u201d, ne \u201cznalosti\u201d.\u201d<\/p><\/blockquote>\n<hr \/>\n<h2>Z\u00e1v\u011br: \u201cKlid v du\u0161i\u201d vs. \u201cSkute\u010dn\u00e1 bezpe\u010dnost\u201d<\/h2>\n<p>To mal\u00e9 tla\u010d\u00edtko \u201cTest\u201d nen\u00ed <em>test<\/em>. Je to \u201cmechanick\u00fd reset\u201d. Je to <strong>\u201cPlacebo tla\u010d\u00edtko.\u2018<\/strong><\/p>\n<p>Je navr\u017een tak, aby dal spr\u00e1vci budovy nebo neprofesion\u00e1lovi \u201cklid v du\u0161i\u201d.\u201d<\/p>\n<p>Na str\u00e1nk\u00e1ch <em>real<\/em> test, \u201cPrim\u00e1rn\u00ed proudov\u00e1 injekce\u201d, je to, co poskytuje <strong>\u201cSkute\u010dnou bezpe\u010dnost\u201d.\u201d<\/strong><\/p>\n<p>Kdy\u017e stav\u00edte kritick\u00fd syst\u00e9m, stav\u00edte ho na <em>jistot\u011b<\/em>. MCCB VIOX jsou navr\u017eeny podle nejvy\u0161\u0161\u00edch standard\u016f, s jasn\u00fdmi vyp\u00ednac\u00edmi charakteristikami, p\u0159ipraven\u00e9 k <em>certifikaci<\/em> profesion\u00e1ln\u00ed testovac\u00ed sadou. Jen <em>nedoufejte<\/em> , \u017ee v\u00e1\u0161 \u201cmozek\u201d funguje \u2013<em>v\u011bzte<\/em> , \u017ee funguje.<\/p>\n<p><strong>Prohl\u00e9dn\u011bte si na\u0161i<a href=\"https:\/\/test.viox.com\/cs\/mccb\/\"> \u0159adu MCCB VIOX<\/a> a stavte s jistotou.<\/strong><\/p>\n<hr \/>\n<h3>Technick\u00e9 P\u0159esnost Pozn\u00e1mka<\/h3>\n<pre><code>**Normy a pou\u017eit\u00e9 zdroje** <a href=\"https:\/\/webstore.iec.ch\/en\/publication\/66277\" rel=\"nofollow noopener\" target=\"_blank\">IEC 60947-2<\/a> a NEMA AB 1.\n<\/code><\/pre>\n<\/div>","protected":false},"excerpt":{"rendered":"<p>You&#8217;re on-site, in front of a giant 400A MCCB (Moulded Case Circuit Breaker) that acts as the &#8220;main gate&#8221; for a critical factory line. You need to &#8220;test&#8221; it. You see the little &#8220;Push-to-Trip&#8221; (PTT) button. You press it. CLUNK. The breaker trips. Your job is done, right? You&#8217;ve &#8220;tested&#8221; the breaker? No. You&#8217;ve done [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":19975,"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-19965","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\/19965","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=19965"}],"version-history":[{"count":6,"href":"https:\/\/test.viox.com\/cs\/wp-json\/wp\/v2\/posts\/19965\/revisions"}],"predecessor-version":[{"id":19977,"href":"https:\/\/test.viox.com\/cs\/wp-json\/wp\/v2\/posts\/19965\/revisions\/19977"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/test.viox.com\/cs\/wp-json\/wp\/v2\/media\/19975"}],"wp:attachment":[{"href":"https:\/\/test.viox.com\/cs\/wp-json\/wp\/v2\/media?parent=19965"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/test.viox.com\/cs\/wp-json\/wp\/v2\/categories?post=19965"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/test.viox.com\/cs\/wp-json\/wp\/v2\/tags?post=19965"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}