{"id":11908,"date":"2026-07-11T08:09:56","date_gmt":"2026-07-11T08:09:56","guid":{"rendered":"https:\/\/shincofab.com\/?p=11908"},"modified":"2026-07-11T08:09:57","modified_gmt":"2026-07-11T08:09:57","slug":"electrical-enclosure-size","status":"publish","type":"post","link":"https:\/\/shincofab.com\/cs\/electrical-enclosure-size\/","title":{"rendered":"Jak vypo\u010d\u00edtat rozm\u011bry elektrick\u00e9 sk\u0159\u00edn\u011b: Pr\u016fvodce pro v\u00fdrobce"},"content":{"rendered":"<p class=\"wp-block-paragraph\">Str\u00e1vil jsem n\u011bkolik let v d\u00edln\u011b na zpracov\u00e1n\u00ed plechu ve firm\u011b <strong><a href=\"\/cs\/\">ShincoFab<\/a><\/strong>, navrhov\u00e1n\u00ed, \u0159ez\u00e1n\u00ed laserem a \u0159e\u0161en\u00ed probl\u00e9m\u016f s pr\u016fmyslov\u00fdmi elektrick\u00fdmi rozvad\u011b\u010di. Na vlastn\u00ed o\u010di jsem vid\u011bl, co se stane, kdy\u017e n\u00e1m z\u00e1kazn\u00edk po\u0161le n\u00e1vrh rozvad\u011b\u010de, kter\u00fd je prost\u011b p\u0159\u00edli\u0161 mal\u00fd. V\u00fdsledkem jsou roztaven\u00e9 vodi\u010de, zni\u010den\u00e1 za\u0159\u00edzen\u00ed a tis\u00edce dolar\u016f promarn\u011bn\u00fdch na p\u0159epracov\u00e1n\u00ed n\u00e1vrhu. Chci v\u00e1m pomoci se t\u011bmto pot\u00ed\u017e\u00edm vyhnout.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">V tomto n\u00e1vodu v\u00e1m uk\u00e1\u017eu, jak vybrat spr\u00e1vnou velikost elektrick\u00e9 sk\u0159\u00edn\u011b, ani\u017e byste zbyte\u010dn\u011b utr\u00e1celi pen\u00edze nebo pl\u00fdtvali prostorem.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Dozv\u00edte se, jak rozpoznat zav\u00e1d\u011bj\u00edc\u00ed rozm\u011bry uveden\u00e9 v kataloz\u00edch, jak\u00e9 skryt\u00e9 vlastnosti ub\u00edraj\u00ed va\u0161emu prostoru na velikosti a jak\u00fdch p\u011bt jednoduch\u00fdch krok\u016f v\u00e1m pom\u016f\u017ee vypo\u010d\u00edtat ide\u00e1ln\u00ed rozm\u011bry na z\u00e1klad\u011b skute\u010dn\u00fdch v\u00fdrobn\u00edch toleranc\u00ed. Na konci tohoto \u010dl\u00e1nku budete v\u011bd\u011bt, jak spr\u00e1vn\u011b dimenzovat sk\u0159\u00ed\u0148ku, aby va\u0161e za\u0159\u00edzen\u00ed z\u016fstalo v chladu, v bezpe\u010d\u00ed a bylo snadno opraviteln\u00e9.<\/p>\n\n\n\n<figure class=\"wp-block-image aligncenter size-large\"><img fetchpriority=\"high\" decoding=\"async\" width=\"1024\" height=\"576\" src=\"https:\/\/shincofab.com\/wp-content\/uploads\/2026\/07\/Open-electrical-enclosure-with-internal-mounted-components-1024x576.jpg\" alt=\"Otev\u0159en\u00e1 elektrick\u00e1 sk\u0159\u00ed\u0148 s vnit\u0159n\u011b namontovan\u00fdmi sou\u010d\u00e1stmi\" class=\"wp-image-11910\" srcset=\"https:\/\/shincofab.com\/wp-content\/uploads\/2026\/07\/Open-electrical-enclosure-with-internal-mounted-components-1024x576.jpg 1024w, https:\/\/shincofab.com\/wp-content\/uploads\/2026\/07\/Open-electrical-enclosure-with-internal-mounted-components-300x169.jpg 300w, https:\/\/shincofab.com\/wp-content\/uploads\/2026\/07\/Open-electrical-enclosure-with-internal-mounted-components-768x432.jpg 768w, https:\/\/shincofab.com\/wp-content\/uploads\/2026\/07\/Open-electrical-enclosure-with-internal-mounted-components-1536x864.jpg 1536w, https:\/\/shincofab.com\/wp-content\/uploads\/2026\/07\/Open-electrical-enclosure-with-internal-mounted-components-18x10.jpg 18w, https:\/\/shincofab.com\/wp-content\/uploads\/2026\/07\/Open-electrical-enclosure-with-internal-mounted-components.jpg 1920w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_81 counter-hierarchy ez-toc-counter ez-toc-grey ez-toc-container-direction\">\n<div class=\"ez-toc-title-container\">\n<p class=\"ez-toc-title\" style=\"cursor:inherit\">Obsah<\/p>\n<span class=\"ez-toc-title-toggle\"><a href=\"#\" class=\"ez-toc-pull-right ez-toc-btn ez-toc-btn-xs ez-toc-btn-default ez-toc-toggle\" aria-label=\"Toggle Table of Content\"><span class=\"ez-toc-js-icon-con\"><span class=\"\"><span class=\"eztoc-hide\" style=\"display:none;\">P\u0159ep\u00edna\u010d<\/span><span class=\"ez-toc-icon-toggle-span\"><svg style=\"fill: #999;color:#999\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" class=\"list-377408\" width=\"20px\" height=\"20px\" viewbox=\"0 0 24 24\" fill=\"none\"><path d=\"M6 6H4v2h2V6zm14 0H8v2h12V6zM4 11h2v2H4v-2zm16 0H8v2h12v-2zM4 16h2v2H4v-2zm16 0H8v2h12v-2z\" fill=\"currentColor\"><\/path><\/svg><svg style=\"fill: #999;color:#999\" class=\"arrow-unsorted-368013\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"10px\" height=\"10px\" viewbox=\"0 0 24 24\" version=\"1.2\" baseprofile=\"tiny\"><path d=\"M18.2 9.3l-6.2-6.3-6.2 6.3c-.2.2-.3.4-.3.7s.1.5.3.7c.2.2.4.3.7.3h11c.3 0 .5-.1.7-.3.2-.2.3-.5.3-.7s-.1-.5-.3-.7zM5.8 14.7l6.2 6.3 6.2-6.3c.2-.2.3-.5.3-.7s-.1-.5-.3-.7c-.2-.2-.4-.3-.7-.3h-11c-.3 0-.5.1-.7.3-.2.2-.3.5-.3.7s.1.5.3.7z\"\/><\/svg><\/span><\/span><\/span><\/a><\/span><\/div>\n<nav><ul class='ez-toc-list ez-toc-list-level-1' ><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-1\" href=\"https:\/\/shincofab.com\/cs\/electrical-enclosure-size\/#How_to_Calculate_Electrical_Enclosure_Size\" >Jak vypo\u010d\u00edtat rozm\u011bry elektrick\u00e9 sk\u0159\u00edn\u011b<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/shincofab.com\/cs\/electrical-enclosure-size\/#Why_Getting_the_Right_Size_Matters\" >Pro\u010d je d\u016fle\u017eit\u00e9 vybrat si spr\u00e1vnou velikost<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/shincofab.com\/cs\/electrical-enclosure-size\/#How_to_Read_Electrical_Enclosure_Dimensions\" >Jak \u010d\u00edst rozm\u011bry elektrick\u00fdch sk\u0159\u00edn\u00ed<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/shincofab.com\/cs\/electrical-enclosure-size\/#Internal_vs_External_Enclosure_Dimensions\" >Rozm\u011bry vnit\u0159n\u00edho a vn\u011bj\u0161\u00edho krytu<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-5\" href=\"https:\/\/shincofab.com\/cs\/electrical-enclosure-size\/#Dont_Forget_the_Back_Panel\" >Nezapome\u0148te na zadn\u00ed panel<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-6\" href=\"https:\/\/shincofab.com\/cs\/electrical-enclosure-size\/#What_Factors_Reduce_Internal_Enclosure_Space\" >Jak\u00e9 faktory sni\u017euj\u00ed vnit\u0159n\u00ed prostor sk\u0159\u00edn\u011b?<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-7\" href=\"https:\/\/shincofab.com\/cs\/electrical-enclosure-size\/#Weatherproofing_NEMA_and_IP_Ratings\" >Odolnost proti pov\u011btrnostn\u00edm vliv\u016fm (stupn\u011b ochrany NEMA a IP)<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-8\" href=\"https:\/\/shincofab.com\/cs\/electrical-enclosure-size\/#Box_Material_Sheet_Metal_vs_Plastic\" >Materi\u00e1l krabice: plech vs. plast<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-9\" href=\"https:\/\/shincofab.com\/cs\/electrical-enclosure-size\/#Hinges_Locks_and_Screws\" >Panty, z\u00e1mky a \u0161rouby<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-10\" href=\"https:\/\/shincofab.com\/cs\/electrical-enclosure-size\/#5_Steps_to_Calculate_Your_Perfect_Box_Size\" >5 krok\u016f k v\u00fdpo\u010dtu ide\u00e1ln\u00ed velikosti krabice<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-11\" href=\"https:\/\/shincofab.com\/cs\/electrical-enclosure-size\/#Step_1_Map_Out_Your_Parts\" >Krok 1: Rozvrhn\u011bte si sou\u010d\u00e1stky<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-12\" href=\"https:\/\/shincofab.com\/cs\/electrical-enclosure-size\/#Step_2_Make_Room_for_Your_Wires_The_Wire_Bend_Radius_Rule\" >Krok 2: Vytvo\u0159te prostor pro kabely a dodr\u017eujte pravidlo o polom\u011bru ohybu kabel\u016f<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-13\" href=\"https:\/\/shincofab.com\/cs\/electrical-enclosure-size\/#Step_3_Give_Your_Gear_Room_to_Breathe\" >Krok 3: Nechte sv\u00e9 vybaven\u00ed d\u00fdchat<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-14\" href=\"https:\/\/shincofab.com\/cs\/electrical-enclosure-size\/#Step_4_Factor_in_Your_Mount_Type_and_Door_Swing_Clearance\" >Krok 4: Zohledn\u011bte typ upevn\u011bn\u00ed a prostor pro otev\u0159en\u00ed dve\u0159\u00ed<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-15\" href=\"https:\/\/shincofab.com\/cs\/electrical-enclosure-size\/#Step_5_Account_for_Maintenance_Access_and_Future_Expansion\" >Krok 5: Zohledn\u011bte p\u0159\u00edstup pro \u00fadr\u017ebu a budouc\u00ed roz\u0161\u00ed\u0159en\u00ed<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-16\" href=\"https:\/\/shincofab.com\/cs\/electrical-enclosure-size\/#Common_Standard_Sizes_You_Will_See\" >B\u011b\u017en\u00e9 standardn\u00ed velikosti, se kter\u00fdmi se setk\u00e1te<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-17\" href=\"https:\/\/shincofab.com\/cs\/electrical-enclosure-size\/#Navigating_Between_Standard_Sizes\" >Pohyb mezi standardn\u00edmi velikostmi<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-18\" href=\"https:\/\/shincofab.com\/cs\/electrical-enclosure-size\/#When_Should_You_Pay_for_a_Custom_Size\" >Kdy byste m\u011bli p\u0159iplatit za nestandardn\u00ed rozm\u011bry?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-19\" href=\"https:\/\/shincofab.com\/cs\/electrical-enclosure-size\/#Conclusion\" >Z\u00e1v\u011br<\/a><\/li><\/ul><\/nav><\/div>\n<h2 id=\"h-how-to-calculate-electrical-enclosure-size\" class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"How_to_Calculate_Electrical_Enclosure_Size\"><\/span>Jak vypo\u010d\u00edtat rozm\u011bry elektrick\u00e9 sk\u0159\u00edn\u011b<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Chcete-li vypo\u010d\u00edtat spr\u00e1vnou velikost elektrick\u00e9 sk\u0159\u00edn\u011b, zakreslete si vnit\u0159n\u00ed komponenty do sch\u00e9matu rozvodn\u00e9 desky. P\u0159ipo\u010dt\u011bte 6 a\u017e 8 palc\u016f na polom\u011br ohybu vodi\u010d\u016f, ponechte voln\u00fd prostor o rozm\u011brech 20% a\u017e 30% pro odvod tepla a zohledn\u011bte vnit\u0159n\u00ed kov\u00e1n\u00ed, jako jsou panty, kter\u00e9 zmen\u0161uj\u00ed vyu\u017eiteln\u00fd prostor.<\/p>\n\n\n\n<h2 id=\"h-why-getting-the-right-size-matters\" class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Why_Getting_the_Right_Size_Matters\"><\/span>Pro\u010d je d\u016fle\u017eit\u00e9 vybrat si spr\u00e1vnou velikost<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Spr\u00e1vn\u00e9 dimenzov\u00e1n\u00ed sk\u0159\u00edn\u011b \u0161et\u0159\u00ed \u010das a zabra\u0148uje n\u00e1kladn\u00fdm \u00faprav\u00e1m n\u00e1vrhu. V na\u0161\u00ed tov\u00e1rn\u011b jsou ocel i voln\u00fd prostor levn\u00e9. P\u0159eh\u0159\u00edv\u00e1n\u00ed elektroniky, st\u00edsn\u011bn\u00e9 podm\u00ednky p\u0159i \u00fadr\u017eb\u011b a \u017e\u00e1dosti o v\u00fdrobu n\u00e1hradn\u00edho panelu kv\u016fli nespr\u00e1vn\u00e9mu dimenzov\u00e1n\u00ed jsou naopak velmi n\u00e1kladn\u00e9.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Proto se doporu\u010duje navrhovat elektrickou sk\u0159\u00ed\u0148 zevnit\u0159 ven.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Co se vlastn\u011b stane, kdy\u017e se spletete a krabici nacpete p\u0159\u00edli\u0161 t\u011bsn\u011b? Rychle to dopadne \u0161patn\u011b. Tohle obvykle vid\u00edme, kdy\u017e n\u00e1m z\u00e1kazn\u00edci pos\u00edlaj\u00ed zp\u011bt do d\u00edlny po\u0161kozen\u00e9 obaly:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Frekven\u010dn\u00ed m\u011bni\u010de se vyp\u00ednaj\u00ed v d\u016fsledku p\u0159eh\u0159\u00e1t\u00ed:<\/strong> Elektronika vyd\u00e1v\u00e1 teplo. Pokud nen\u00ed dostatek voln\u00e9ho prostoru pro proud\u011bn\u00ed vzduchu, teplo se hromad\u00ed. Va\u0161e disky se p\u0159eh\u0159ej\u00ed a vypnou se.<\/li>\n\n\n\n<li><strong>Po\u0161kozen\u00e9 t\u011bsn\u011bn\u00ed dve\u0159\u00ed:<\/strong> Siln\u00e9 kabely zab\u00edraj\u00ed hodn\u011b m\u00edsta. Pokud vy\u010dn\u00edvaj\u00edc\u00ed kabely siln\u011b tla\u010d\u00ed na zav\u0159en\u00e9 dve\u0159e, zdeformuj\u00ed polyuretanov\u00e9 t\u011bsn\u011bn\u00ed, kter\u00e9 vst\u0159ikujeme do r\u00e1mu dve\u0159\u00ed. Do vnit\u0159n\u00edho prostoru se pak m\u016f\u017ee snadno dostat voda a prach.<\/li>\n\n\n\n<li><strong>Po\u017e\u00e1rn\u00ed rizika:<\/strong> Pokud do st\u00edsn\u011bn\u00e9ho prostoru nacpete p\u0159\u00edli\u0161 mnoho kabel\u016f, budou se tla\u010dit proti hork\u00fdm sou\u010d\u00e1stk\u00e1m nebo ostr\u00fdm vnit\u0159n\u00edm dr\u017e\u00e1k\u016fm. <a href=\"https:\/\/www.osha.gov\/sites\/default\/files\/training-library_electrical.pdf\" target=\"_blank\" rel=\"noreferrer noopener\">Pokyny OSHA t\u00fdkaj\u00edc\u00ed se elektrick\u00fdch rizik<\/a> varuje, \u017ee vadn\u00e1 pevn\u00e1 elektroinstalace, star\u00e1 elektroinstalace a probl\u00e9my s kabely, z\u00e1str\u010dkami, z\u00e1suvkami a vyp\u00edna\u010di mohou zp\u016fsobit elektrick\u00e9 po\u017e\u00e1ry. Jedn\u00e1 se o v\u00e1\u017en\u00e9 bezpe\u010dnostn\u00ed riziko.`<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">N\u00e1kup krytu o jednu velikost v\u011bt\u0161\u00edho je nejlevn\u011bj\u0161\u00ed pojistkou, jakou si m\u016f\u017eete po\u0159\u00eddit.<\/p>\n\n\n\n<h2 id=\"h-how-to-read-electrical-enclosure-dimensions\" class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"How_to_Read_Electrical_Enclosure_Dimensions\"><\/span>Jak \u010d\u00edst rozm\u011bry elektrick\u00fdch sk\u0159\u00edn\u00ed<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Kdy\u017e si prohl\u00ed\u017e\u00edte katalog sk\u0159\u00edn\u00ed, mohou v\u00e1s zm\u00e1st ta velk\u00e1 tu\u010dn\u00e1 \u010d\u00edsla. V\u00fdrobci uv\u00e1d\u011bj\u00ed vn\u011bj\u0161\u00ed rozm\u011bry. Ale v\u00e1s vn\u011bj\u0161\u00ed rozm\u011bry nezaj\u00edmaj\u00ed. Zaj\u00edm\u00e1 v\u00e1s pouze vyu\u017eiteln\u00fd prostor uvnit\u0159.<\/p>\n\n\n\n<h3 id=\"h-internal-vs-external-enclosure-dimensions\" class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Internal_vs_External_Enclosure_Dimensions\"><\/span>Rozm\u011bry vnit\u0159n\u00edho a vn\u011bj\u0161\u00edho krytu<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Kdy\u017e je v katalogu uvedeno, \u017ee krabice m\u00e1 rozm\u011bry 12\u00d712 palc\u016f, jedn\u00e1 se pouze o vn\u011bj\u0161\u00ed rozm\u011bry. Ve skute\u010dnosti v\u0161ak nem\u00e1te k dispozici 12\u00d712 palc\u016f u\u017eitn\u00e9ho prostoru.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Jako v\u00fdrobci v\u00edme, pro\u010d tomu tak je: vnit\u0159n\u00ed prostor je kv\u016fli proces\u016fm oh\u00fdb\u00e1n\u00ed a sva\u0159ov\u00e1n\u00ed ze sv\u00e9 podstaty men\u0161\u00ed.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Vezm\u011bme si nap\u0159\u00edklad standardn\u00ed sk\u0159\u00ed\u0148ku NEMA 4X o rozm\u011brech 24 x 20 x 10. Zvenku vypad\u00e1 prostorn\u011b. Uvnit\u0159 v\u0161ak ztrat\u00edte asi 2 palce na v\u00fd\u0161ce a \u0161\u00ed\u0159ce a nav\u00edc 1,5 palce na hloubce.<br>Pro\u010d? Proto\u017ee kdy\u017e na na\u0161ich CNC ohra\u0148ovac\u00edch lisech oh\u00fdb\u00e1me vratn\u00e9 profily dve\u0159\u00ed, p\u0159id\u00e1v\u00e1me odoln\u00e9 sva\u0159ovan\u00e9 panty a montujeme vodot\u011bsn\u00e1 t\u011bsn\u011bn\u00ed, tyto prvky ten prostor zab\u00edraj\u00ed. Va\u0161e sk\u0159\u00ed\u0148 s hloubkou 10 palc\u016f m\u00e1 najednou hloubku pouze 8,5 palce. Pokud va\u0161e za\u0159\u00edzen\u00ed vy\u017eaduje p\u0159esn\u011b 10 palc\u016f voln\u00e9ho prostoru, ty dve\u0159e se nezav\u0159ou.<\/p>\n\n\n\n<h3 id=\"h-don-t-forget-the-back-panel\" class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Dont_Forget_the_Back_Panel\"><\/span>Nezapome\u0148te na zadn\u00ed panel<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Jedn\u00e1 se o jeden z nejd\u016fle\u017eit\u011bj\u0161\u00edch rozm\u011br\u016f, na jeho\u017e ov\u011b\u0159en\u00ed upozor\u0148ujeme na\u0161e z\u00e1kazn\u00edky je\u0161t\u011b p\u0159ed zad\u00e1n\u00edm objedn\u00e1vky.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Jisti\u010de a PLC se nep\u0159ipev\u0148uj\u00ed p\u0159\u00edmo na vn\u011bj\u0161\u00ed st\u011bnu sk\u0159\u00edn\u011b. Montuj\u00ed se na pozinkovan\u00fd kovov\u00fd zadn\u00ed panel (nebo pomocn\u00fd panel) uvnit\u0159 sk\u0159\u00edn\u011b.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Tento zadn\u00ed panel, kter\u00fd jsme pro v\u00e1s vy\u0159ezali, je obvykle men\u0161\u00ed ne\u017e samotn\u00e1 sk\u0159\u00ed\u0148.<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Krabice o rozm\u011brech 24\u00d720 palc\u016f nem\u00e1 zadn\u00ed st\u011bnu o rozm\u011brech 24\u00d720 palc\u016f.<\/li>\n\n\n\n<li>Aby se zajistil dostatek prostoru pro upev\u0148ovac\u00ed \u0161rouby a okrajovou v\u016fli, m\u00e1 panel obvykle rozm\u011bry bl\u00ed\u017ee k 22\u00d718 palc\u016f.<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">Pokud rozlo\u017een\u00ed va\u0161ich d\u00edl\u016f vy\u017eaduje mont\u00e1\u017en\u00ed prostor o rozm\u011brech 24\u00d720 palc\u016f, budou va\u0161e d\u00edly p\u0159esahovat okraj panelu. Ujist\u011bte se, \u017ee vych\u00e1z\u00edte z rozm\u011br\u016f zadn\u00edho panelu, nikoli z vn\u011bj\u0161\u00edch rozm\u011br\u016f krabice.<\/p>\n\n\n\n<h2 id=\"h-what-factors-reduce-internal-enclosure-space\" class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"What_Factors_Reduce_Internal_Enclosure_Space\"><\/span>Jak\u00e9 faktory sni\u017euj\u00ed vnit\u0159n\u00ed prostor sk\u0159\u00edn\u011b?<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Je\u0161t\u011b ne\u017e v\u016fbec namontujete jedin\u00fd d\u00edl, n\u011bkolik konstruk\u010dn\u00edch prvk\u016f v\u00e1m zabere m\u00edsto.<\/p>\n\n\n\n<h3 id=\"h-weatherproofing-nema-and-ip-ratings\" class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Weatherproofing_NEMA_and_IP_Ratings\"><\/span>Odolnost proti pov\u011btrnostn\u00edm vliv\u016fm (stupn\u011b ochrany NEMA a IP)<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Pokud bude sk\u0159\u00ed\u0148 um\u00edst\u011bna venku, mus\u00ed m\u00edt vysok\u00fd stupe\u0148 kryt\u00ed podle normy NEMA nebo IP, aby do n\u00ed nepronikla voda, jak je uvedeno v <a href=\"https:\/\/www.nema.org\/docs\/default-source\/products-document-library\/nema-enclosure-types.pdf\" target=\"_blank\" rel=\"noreferrer noopener\">Definice typ\u016f kryt\u016f podle normy NEMA<\/a>.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">U vysoce kvalitn\u00edch sk\u0159\u00edn\u00ed se pou\u017e\u00edvaj\u00ed siln\u00e1 a t\u011b\u017ek\u00e1 gumov\u00e1 t\u011bsn\u011bn\u00ed. Tato vodot\u011bsn\u00e1 t\u011bsn\u011bn\u00ed zapadaj\u00ed hluboko do r\u00e1mu dve\u0159\u00ed. Kdy\u017e dve\u0159e zav\u0159ete, toto siln\u00e9 t\u011bsn\u011bn\u00ed se stla\u010d\u00ed p\u0159esn\u011b do prostoru, o kter\u00e9m jste si mysleli, \u017ee je voln\u00fd.<\/p>\n\n\n\n<h3 id=\"h-box-material-sheet-metal-vs-plastic\" class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Box_Material_Sheet_Metal_vs_Plastic\"><\/span>Materi\u00e1l krabice: plech vs. plast<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">V\u00fdb\u011br materi\u00e1lu ovliv\u0148uje vnit\u0159n\u00ed objem. Jeliko\u017e se specializujeme na zpracov\u00e1n\u00ed plechu, s t\u00edmto rozd\u00edlem se setk\u00e1v\u00e1me \u010dasto. Kov je neuv\u011b\u0159iteln\u011b pevn\u00fd. Sk\u0159\u00ed\u0148 z uhl\u00edkov\u00e9 nebo nerezov\u00e9 oceli m\u016f\u017ee m\u00edt velmi tenk\u00e9 st\u011bny (nap\u0159\u00edklad tlou\u0161\u0165ky 14 gauge) a p\u0159esto vydr\u017e\u00ed i siln\u00e9 n\u00e1razy, \u010d\u00edm\u017e maximalizuje v\u00e1\u0161 vnit\u0159n\u00ed prostor.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">U plastu je to jin\u00e9. Aby byla sk\u0159\u00ed\u0148 z polykarbon\u00e1tu nebo sklolamin\u00e1tu dostate\u010dn\u011b pevn\u00e1 pro pr\u016fmyslov\u00e9 pou\u017eit\u00ed, mus\u00ed v\u00fdrobce st\u011bny v\u00fdrazn\u011b zes\u00edlit, \u010d\u00edm\u017e se uvnit\u0159 zmen\u0161\u00ed prostor ve srovn\u00e1n\u00ed s kovovou sk\u0159\u00edn\u00ed se stejn\u00fdmi vn\u011bj\u0161\u00edmi rozm\u011bry.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Zde je stru\u010dn\u00e9 srovn\u00e1n\u00ed toho, jak volba materi\u00e1lu ovliv\u0148uje va\u0161i sk\u0159\u00ed\u0148:<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th>Funkce<\/th><th>Plechov\u00e9 sk\u0159\u00edn\u011b<\/th><th>Plastov\u00e9 sk\u0159\u00edn\u011b<\/th><\/tr><\/thead><tbody><tr><td><strong>Tlou\u0161\u0165ka st\u011bny<\/strong><\/td><td>Velmi tenk\u00fd (nap\u0159. 14-gauge)<\/td><td>Siln\u00fd (pro zachov\u00e1n\u00ed pevnosti konstrukce)<\/td><\/tr><tr><td><strong>Vnit\u0159n\u00ed u\u017eitn\u00e1 plocha<\/strong><\/td><td>Maximalizov\u00e1no<\/td><td>Z\u0159eteln\u011b sn\u00ed\u017eeno<\/td><\/tr><tr><td><strong>Odolnost<\/strong><\/td><td>Vysok\u00e1 odolnost proti n\u00e1raz\u016fm<\/td><td>Pevn\u00e9, ale vy\u017eaduje siln\u011bj\u0161\u00ed st\u011bny<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<h3 id=\"h-hinges-locks-and-screws\" class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Hinges_Locks_and_Screws\"><\/span>Panty, z\u00e1mky a \u0161rouby<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Hardware zab\u00edr\u00e1 nejv\u00edce m\u00edsta. Mo\u017en\u00e1 si mysl\u00edte, \u017ee m\u00e1te k dispozici prostornou sk\u0159\u00ed\u0148, ale pod\u00edvejte se pozorn\u011b na technick\u00e9 parametry.<br>Brzy naraz\u00edte na p\u0159ek\u00e1\u017eky:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Oh\u00fdban\u00e9 kovov\u00e9 hrany (okraje dve\u0159\u00ed) vy\u010dn\u00edvaj\u00ed dovnit\u0159.<\/li>\n\n\n\n<li>Siln\u00e9 sva\u0159ovan\u00e9 panty, kter\u00e9 zab\u00edraj\u00ed rohy.<\/li>\n\n\n\n<li>Vnit\u0159n\u00ed uzamykac\u00ed mechanismy, kter\u00e9 zasahuj\u00ed do tras kabel\u016f.<\/li>\n\n\n\n<li>Kovov\u00e9 upev\u0148ovac\u00ed \u0161rouby p\u0159iva\u0159en\u00e9 k zadn\u00ed st\u011bn\u011b.<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">V\u0161echny tyto sou\u010d\u00e1sti mohou br\u00e1nit pr\u016fchodu vysok\u00e9ho rel\u00e9 nebo sev\u0159\u00edt siln\u00fd vodi\u010d. D\u016frazn\u011b doporu\u010dujeme zkontrolovat technick\u00fd v\u00fdkres (nebo se zeptat v\u00fdrobce), abyste zjistili, kde se tento hardware nach\u00e1z\u00ed.<\/p>\n\n\n\n<h2 id=\"h-5-steps-to-calculate-your-perfect-box-size\" class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"5_Steps_to_Calculate_Your_Perfect_Box_Size\"><\/span>5 krok\u016f k v\u00fdpo\u010dtu ide\u00e1ln\u00ed velikosti krabice<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Postupujte podle t\u011bchto p\u011bti krok\u016f, abyste p\u0159esn\u011b vypo\u010d\u00edtali velikost elektrick\u00e9 sk\u0159\u00edn\u011b:<\/p>\n\n\n\n<h3 id=\"h-step-1-map-out-your-parts\" class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Step_1_Map_Out_Your_Parts\"><\/span>Krok 1: Rozvrhn\u011bte si sou\u010d\u00e1stky<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Za\u010dn\u011bte s pr\u00e1zdn\u00fdm n\u00e1kresem. Vezm\u011bte si list pap\u00edru nebo pou\u017eijte digit\u00e1ln\u00ed CAD program.<br>Nakreslete hlavn\u00ed sou\u010d\u00e1sti. Zahr\u0148te jisti\u010de, PLC, rel\u00e9 a nap\u00e1jec\u00ed zdroje. Zm\u011b\u0159te \u0161\u00ed\u0159ku, v\u00fd\u0161ku a hloubku ka\u017ed\u00e9 sou\u010d\u00e1sti. Um\u00edst\u011bte je na v\u00fdkres co nejbl\u00ed\u017ee k m\u00edstu, kde budou nainstalov\u00e1ny.<\/p>\n\n\n\n<h3 id=\"h-step-2-make-room-for-your-wires-amp-the-wire-bend-radius-rule\" class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Step_2_Make_Room_for_Your_Wires_The_Wire_Bend_Radius_Rule\"><\/span>Krok 2: Vytvo\u0159te prostor pro kabely a dodr\u017eujte pravidlo o polom\u011bru ohybu kabel\u016f<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Kabel\u00e1\u017e zab\u00edr\u00e1 v\u00edce m\u00edsta, ne\u017e by mnoz\u00ed \u010dekali. Siln\u00e9 nap\u00e1jec\u00ed kabely obvykle nelze v\u00e9st v p\u0159\u00edm\u00fdch lini\u00edch.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Siln\u00e9 vodi\u010de maj\u00ed pot\u00ed\u017ee s ostr\u00fdmi ohyby o 90 stup\u0148\u016f. Pokud je k tomu donut\u00edte, m\u016f\u017ee doj\u00edt k prasknut\u00ed izolace nebo k selh\u00e1n\u00ed spoje. Pot\u0159ebuj\u00ed \u0161irokou, plynulou k\u0159ivku. Toto se \u010dasto ozna\u010duje jako polom\u011br ohybu a prostor pro ohyb. Jak uzn\u00e1v\u00e1 <a href=\"https:\/\/www.nfpa.org\/codes-and-standards\/nfpa-70-standard-development\/70\" target=\"_blank\" rel=\"noreferrer noopener\">NFPA 70 (N\u00e1rodn\u00ed elektrotechnick\u00fd p\u0159edpis)<\/a>, veden\u00ed kabel\u016f a oh\u00fdb\u00e1n\u00ed vodi\u010d\u016f mus\u00ed b\u00fdt prov\u00e1d\u011bno tak, aby nedo\u0161lo k jejich po\u0161kozen\u00ed a aby byly dodr\u017eeny instala\u010dn\u00ed vzd\u00e1lenosti v souladu s p\u0159edpisy.<\/p>\n\n\n\n<figure class=\"wp-block-image aligncenter size-large\"><img decoding=\"async\" width=\"1024\" height=\"576\" src=\"https:\/\/shincofab.com\/wp-content\/uploads\/2026\/07\/Thick-power-cables-bending-inside-electrical-panel-1024x576.jpg\" alt=\"Siln\u00e9 nap\u00e1jec\u00ed kabely, kter\u00e9 se oh\u00fdbaj\u00ed uvnit\u0159 elektrick\u00e9ho rozvad\u011b\u010de\" class=\"wp-image-11912\" srcset=\"https:\/\/shincofab.com\/wp-content\/uploads\/2026\/07\/Thick-power-cables-bending-inside-electrical-panel-1024x576.jpg 1024w, https:\/\/shincofab.com\/wp-content\/uploads\/2026\/07\/Thick-power-cables-bending-inside-electrical-panel-300x169.jpg 300w, https:\/\/shincofab.com\/wp-content\/uploads\/2026\/07\/Thick-power-cables-bending-inside-electrical-panel-768x432.jpg 768w, https:\/\/shincofab.com\/wp-content\/uploads\/2026\/07\/Thick-power-cables-bending-inside-electrical-panel-1536x864.jpg 1536w, https:\/\/shincofab.com\/wp-content\/uploads\/2026\/07\/Thick-power-cables-bending-inside-electrical-panel-18x10.jpg 18w, https:\/\/shincofab.com\/wp-content\/uploads\/2026\/07\/Thick-power-cables-bending-inside-electrical-panel.jpg 1920w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">Z tohoto d\u016fvodu z\u00e1vis\u00ed hloubka a v\u00fd\u0161ka sk\u0159\u00edn\u011b na tlou\u0161\u0165ce p\u0159\u00edvodn\u00edch kabel\u016f.<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Nap\u0159\u00edklad pokud prov\u00e1d\u00edte t\u011b\u017ek\u00e9 nap\u00e1jec\u00ed kabely o pr\u016f\u0159ezu 4\/0 AWG skrz standardn\u00ed v\u00fd\u0159ezy ve spodn\u00ed \u010d\u00e1sti sk\u0159\u00ed\u0148ky, obvykle pot\u0159ebujete alespo\u0148 <strong>6 a\u017e 8 palc\u016f voln\u00e9ho, pr\u00e1zdn\u00e9ho prostoru<\/strong> jen kv\u016fli t\u00e9 zat\u00e1\u010dce.<\/li>\n\n\n\n<li>Pokud namontujete sou\u010d\u00e1stky p\u0159\u00edli\u0161 bl\u00edzko ke dnu, ty kabely se tam nevejdou.<\/li>\n<\/ul>\n\n\n\n<h3 id=\"h-step-3-give-your-gear-room-to-breathe\" class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Step_3_Give_Your_Gear_Room_to_Breathe\"><\/span>Krok 3: Nechte sv\u00e9 vybaven\u00ed d\u00fdchat<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Elektronika vyd\u00e1v\u00e1 teplo. Teplo zp\u016fsobuje opot\u0159eben\u00ed elektroniky. Je t\u0159eba nechat v krabici voln\u00fd prostor o rozm\u011brech 20% a\u017e 30%, aby mohl cirkulovat vzduch.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Uvedu v\u00e1m p\u0159\u00edklad z praxe z jednoho projektu pro klienta. Frekven\u010dn\u00ed m\u011bni\u010d (VFD) o v\u00fdkonu 5 HP v jedn\u00e9 tov\u00e1rn\u011b se neust\u00e1le p\u0159eh\u0159\u00edval a vyp\u00ednal v t\u011bsn\u00e9 sk\u0159\u00edni o rozm\u011brech 16\u00d716 palc\u016f. Vyrobili jsme pro n\u011b novou sk\u0159\u00ed\u0148 o rozm\u011brech 20\u00d716 palc\u016f, p\u0159i\u010dem\u017e jsme zachovali naprosto stejn\u00e9 uspo\u0159\u00e1d\u00e1n\u00ed komponent\u016f.<br>D\u00edky tomuto mal\u00e9mu prostoru nav\u00edc se vnit\u0159n\u00ed teplota sn\u00ed\u017eila o 15 \u00b0F. Spou\u0161t\u011bn\u00ed se okam\u017eit\u011b zastavilo.<\/p>\n\n\n\n<figure class=\"wp-block-image aligncenter size-large\"><img decoding=\"async\" width=\"1024\" height=\"576\" src=\"https:\/\/shincofab.com\/wp-content\/uploads\/2026\/07\/Technician-using-thermal-camera-on-electrical-panel-1024x576.jpg\" alt=\"Technik pou\u017e\u00edvaj\u00edc\u00ed termokameru u elektrick\u00e9ho rozvad\u011b\u010de\" class=\"wp-image-11914\" srcset=\"https:\/\/shincofab.com\/wp-content\/uploads\/2026\/07\/Technician-using-thermal-camera-on-electrical-panel-1024x576.jpg 1024w, https:\/\/shincofab.com\/wp-content\/uploads\/2026\/07\/Technician-using-thermal-camera-on-electrical-panel-300x169.jpg 300w, https:\/\/shincofab.com\/wp-content\/uploads\/2026\/07\/Technician-using-thermal-camera-on-electrical-panel-768x432.jpg 768w, https:\/\/shincofab.com\/wp-content\/uploads\/2026\/07\/Technician-using-thermal-camera-on-electrical-panel-1536x864.jpg 1536w, https:\/\/shincofab.com\/wp-content\/uploads\/2026\/07\/Technician-using-thermal-camera-on-electrical-panel-18x10.jpg 18w, https:\/\/shincofab.com\/wp-content\/uploads\/2026\/07\/Technician-using-thermal-camera-on-electrical-panel.jpg 1920w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<h3 id=\"h-step-4-factor-in-your-mount-type-and-door-swing-clearance\" class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Step_4_Factor_in_Your_Mount_Type_and_Door_Swing_Clearance\"><\/span>Krok 4: Zohledn\u011bte typ upevn\u011bn\u00ed a prostor pro otev\u0159en\u00ed dve\u0159\u00ed<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Kam se ta sk\u0159\u00ed\u0148ka d\u00e1? Pro malou n\u00e1st\u011bnnou sk\u0159\u00ed\u0148ku plat\u00ed jin\u00e1 pravidla ne\u017e pro t\u011b\u017ekou podlahovou sk\u0159\u00ed\u0148.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Jednou z hlavn\u00edch past\u00ed je v\u0161ak to, \u017ee se zapom\u00edn\u00e1 na prostor pot\u0159ebn\u00fd pro otev\u0159en\u00ed dve\u0159\u00ed. Lid\u00e9 \u010dasto p\u0159izp\u016fsob\u00ed rozm\u011bry sk\u0159\u00edn\u011b p\u0159esn\u011b na st\u011bnu, ale zapomenou na pr\u016fchod p\u0159ed n\u00ed.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Pokud si po\u0159\u00edd\u00edte sk\u0159\u00ed\u0148 s t\u011b\u017ek\u00fdmi kovov\u00fdmi dve\u0159mi o \u0161\u00ed\u0159ce 36 palc\u016f, pot\u0159ebujete k jejich pohodln\u00e9mu otev\u0159en\u00ed 36 palc\u016f voln\u00e9ho prostoru v uli\u010dce. Pokud je va\u0161e uli\u010dka \u00fazk\u00e1, dve\u0159e naraz\u00ed do zdi nebo do stroje. Jak\u00e9 je jednoduch\u00e9 konstruk\u010dn\u00ed \u0159e\u0161en\u00ed? \u010casto doporu\u010dujeme postavit sk\u0159\u00ed\u0148 s dvojit\u00fdmi dve\u0159mi, aby se ka\u017ed\u00e1 strana otev\u00edrala pouze o 18 palc\u016f.<\/p>\n\n\n\n<h3 id=\"h-step-5-account-for-maintenance-access-and-future-expansion\" class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Step_5_Account_for_Maintenance_Access_and_Future_Expansion\"><\/span>Krok 5: Zohledn\u011bte p\u0159\u00edstup pro \u00fadr\u017ebu a budouc\u00ed roz\u0161\u00ed\u0159en\u00ed<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">V\u00fdpo\u010dty m\u00e1te t\u00e9m\u011b\u0159 hotov\u00e9. Nyn\u00ed mus\u00edte zohlednit praktick\u00fd p\u0159\u00edstup pro \u00fadr\u017ebu. P\u0159edstavte si, \u017ee se za dva roky n\u011bjak\u00e1 sou\u010d\u00e1stka pokaz\u00ed. Vejdou se technikovi dovnit\u0159 ruce a \u0161roubov\u00e1k, aby mohl tuto sou\u010d\u00e1stku vym\u011bnit? Pokud si o ocelov\u00e9 st\u011bny nebo dr\u00e1ty od\u0159e klouby, je va\u0161e sk\u0159\u00ed\u0148ka p\u0159\u00edli\u0161 mal\u00e1.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Na z\u00e1v\u011br nezapome\u0148te po\u010d\u00edtat s budouc\u00edmi roz\u0161\u00ed\u0159en\u00edmi. Doporu\u010dujeme ponechat na zadn\u00ed st\u011bn\u011b rozvad\u011b\u010de voln\u00e9 m\u00edsto o rozm\u011brech alespo\u0148 20%. Je pravd\u011bpodobn\u00e9, \u017ee v budoucnu budete muset p\u0159idat dal\u0161\u00ed rel\u00e9, svorkovnici nebo jisti\u010d. Po\u0159\u00eddit si dnes v\u011bt\u0161\u00ed rozvad\u011b\u010d je neuv\u011b\u0159iteln\u011b levn\u00e9. Naproti tomu vybourat a vym\u011bnit p\u0159epln\u011bn\u00fd rozvad\u011b\u010d p\u0159\u00ed\u0161t\u00ed rok je velmi n\u00e1kladn\u00e9.<\/p>\n\n\n\n<h2 id=\"h-common-standard-sizes-you-will-see\" class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Common_Standard_Sizes_You_Will_See\"><\/span>B\u011b\u017en\u00e9 standardn\u00ed velikosti, se kter\u00fdmi se setk\u00e1te<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Zde je stru\u010dn\u00fd p\u0159ehled b\u011b\u017en\u00fdch standardn\u00edch rozm\u011br\u016f sk\u0159\u00edn\u00ed NEMA (v\u00fd\u0161ka \u00d7 \u0161\u00ed\u0159ka \u00d7 hloubka v palc\u00edch) a jejich typick\u00fdch pou\u017eit\u00ed:<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th>Standardn\u00ed rozm\u011bry (V \u00d7 \u0160 \u00d7 H)<\/th><th>Typick\u00e9 aplikace<\/th><\/tr><\/thead><tbody><tr><td><strong>16 \u00d7 16 \u00d7 8<\/strong><\/td><td>Ide\u00e1ln\u00ed pro mal\u00e9 rozvodn\u00e9 sk\u0159\u00edn\u011b nebo instalace s jedn\u00edm frekven\u010dn\u00edm m\u011bni\u010dem.<\/td><\/tr><tr><td><strong>20 \u00d7 16 \u00d7 8<\/strong><\/td><td>Vhodn\u00e9 pro kompaktn\u00ed ovl\u00e1dac\u00ed panely s minim\u00e1ln\u00edm veden\u00edm kabel\u016f.<\/td><\/tr><tr><td><strong>24 \u00d7 20 \u00d7 10<\/strong><\/td><td>Pracovn\u00ed k\u016f\u0148 v oboru pro standardn\u00ed PLC a st\u0159edn\u011b velk\u00e9 \u0159\u00eddic\u00ed panely.<\/td><\/tr><tr><td><strong>30 \u00d7 24 \u00d7 12<\/strong><\/td><td>Pevn\u00e1 sk\u0159\u00ed\u0148 st\u0159edn\u00ed velikosti, kter\u00e1 nab\u00edz\u00ed v\u011bt\u0161\u00ed hloubku pro vy\u0161\u0161\u00ed komponenty.<\/td><\/tr><tr><td><strong>36 \u00d7 30 \u00d7 12<\/strong><\/td><td>B\u011b\u017en\u00e9 u v\u011bt\u0161\u00edch pr\u016fmyslov\u00fdch automatiza\u010dn\u00edch syst\u00e9m\u016f a p\u0159i veden\u00ed t\u011b\u017ek\u00fdch kabel\u016f.<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<h3 id=\"h-navigating-between-standard-sizes\" class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Navigating_Between_Standard_Sizes\"><\/span>Pohyb mezi standardn\u00edmi velikostmi<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Tady je jeden velmi \u010dast\u00fd probl\u00e9m. Podle va\u0161ich v\u00fdpo\u010dt\u016f pot\u0159ebujete zhruba 22 palc\u016f m\u00edsta. V katalogu se ale prod\u00e1vaj\u00ed pouze sk\u0159\u00ed\u0148ky o rozm\u011brech 20 palc\u016f nebo 24 palc\u016f. Co ud\u011bl\u00e1te?<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Pou\u017eit\u00ed men\u0161\u00edho rozm\u011bru je zpravidla bezpe\u010dn\u00e9 pouze v p\u0159\u00edpad\u011b, \u017ee v syst\u00e9mu chyb\u00ed sou\u010d\u00e1sti, kter\u00e9 v\u00fdrazn\u011b generuj\u00ed teplo, jsou pou\u017eity vysoce ohebn\u00e9 vodi\u010de a nepl\u00e1nujete v budoucnu \u017e\u00e1dn\u00e9 roz\u0161\u00ed\u0159en\u00ed. V opa\u010dn\u00e9m p\u0159\u00edpad\u011b zvolte rozm\u011br a\u017e 24 palc\u016f. Riskovat nebezpe\u010d\u00ed po\u017e\u00e1ru se prost\u011b nevyplat\u00ed kv\u016fli nepatrn\u00e9 \u00faspo\u0159e n\u00e1klad\u016f.<\/p>\n\n\n\n<h2 id=\"h-when-should-you-pay-for-a-custom-size\" class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"When_Should_You_Pay_for_a_Custom_Size\"><\/span>Kdy byste m\u011bli p\u0159iplatit za nestandardn\u00ed rozm\u011bry?<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">N\u011bkdy standardn\u00ed rozm\u011bry prost\u011b nesta\u010d\u00ed. Mo\u017en\u00e1 m\u00e1te k dispozici neobvykl\u00fd, \u00fazk\u00fd prostor na zdi, nebo jsou va\u0161e mohutn\u00e9 svazky kabel\u016f prost\u011b p\u0159\u00edli\u0161 tlust\u00e9 na to, aby se ve\u0161ly do standardn\u00ed krabice.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">P\u0159esta\u0148te se sna\u017eit to n\u00e1sil\u00edm vm\u011bstnat. Mo\u017en\u00e1 je na \u010dase objednat si sk\u0159\u00ed\u0148ku na m\u00edru.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Pokud nakupujete u tradi\u010dn\u00edho distributora, objedn\u00e1vka sk\u0159\u00edn\u011b na m\u00edru m\u016f\u017ee b\u00fdt dra\u017e\u0161\u00ed o 30% a\u017e 50% a prodlou\u017eit dodac\u00ed lh\u016ftu o 3 a\u017e 4 t\u00fddny.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Pokud v\u0161ak spolupracujete p\u0159\u00edmo s v\u00fdrobcem plechov\u00fdch d\u00edl\u016f, jako je ShincoFab, pravidla se m\u011bn\u00ed. Proto\u017ee laserov\u00e9 \u0159eza\u010dky a oh\u00fdba\u010dky provozujeme p\u0159\u00edmo na m\u00edst\u011b, \u00faprava rozm\u011bru o 2 palce nevy\u017eaduje rozs\u00e1hlou zm\u011bnu v dodavatelsk\u00e9m \u0159et\u011bzci. Pokud m\u00e1te konkr\u00e9tn\u00ed prostorov\u00e9 omezen\u00ed, je nechat si vyrobit krabici na m\u00edru p\u0159\u00edmo u v\u00fdrobce \u010dasto rychlej\u0161\u00ed a n\u00e1kladov\u011b efektivn\u011bj\u0161\u00ed, ne\u017e si mysl\u00edte.<\/p>\n\n\n\n<figure class=\"wp-block-image aligncenter size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"576\" src=\"https:\/\/shincofab.com\/wp-content\/uploads\/2026\/07\/Worker-operating-press-brake-at-ShincoFab-factory-1024x576.jpg\" alt=\"\" class=\"wp-image-11916\" srcset=\"https:\/\/shincofab.com\/wp-content\/uploads\/2026\/07\/Worker-operating-press-brake-at-ShincoFab-factory-1024x576.jpg 1024w, https:\/\/shincofab.com\/wp-content\/uploads\/2026\/07\/Worker-operating-press-brake-at-ShincoFab-factory-300x169.jpg 300w, https:\/\/shincofab.com\/wp-content\/uploads\/2026\/07\/Worker-operating-press-brake-at-ShincoFab-factory-768x432.jpg 768w, https:\/\/shincofab.com\/wp-content\/uploads\/2026\/07\/Worker-operating-press-brake-at-ShincoFab-factory-1536x864.jpg 1536w, https:\/\/shincofab.com\/wp-content\/uploads\/2026\/07\/Worker-operating-press-brake-at-ShincoFab-factory-18x10.jpg 18w, https:\/\/shincofab.com\/wp-content\/uploads\/2026\/07\/Worker-operating-press-brake-at-ShincoFab-factory.jpg 1920w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<h2 id=\"h-conclusion\" class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Conclusion\"><\/span>Z\u00e1v\u011br<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">V\u00fdb\u011br spr\u00e1vn\u00e9 velikosti sk\u0159\u00edn\u011b nemus\u00ed b\u00fdt h\u00e1dankou. Pokud budete p\u0159i n\u00e1vrhu postupovat od zadn\u00edho panelu sm\u011brem ven a ponech\u00e1te si dostatek prostoru pro kabely, odvod tepla a budouc\u00ed roz\u0161\u00ed\u0159en\u00ed, u\u0161et\u0159\u00edte si spoustu starost\u00ed.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Pokud v\u00e1m v\u00fdpo\u010dty nazna\u010duj\u00ed, \u017ee standardn\u00ed rozm\u011bry nebudou vyhovovat, nebo pokud prost\u011b pot\u0159ebujete poradit s \u0159e\u0161en\u00edm na m\u00edru, r\u00e1di v\u00e1m pom\u016f\u017eeme. V na\u0161\u00ed tov\u00e1rn\u011b ShincoFab, specializuj\u00edc\u00ed se na zpracov\u00e1n\u00ed plechu, ka\u017ed\u00fd den vyr\u00e1b\u00edme elektrick\u00e9 sk\u0159\u00edn\u011b na m\u00edru \u2013 od surov\u00e9 oceli a\u017e po hotov\u00fd v\u00fdrobek.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">V\u00edme, jak efektivn\u011b prom\u011bnit v\u00e1\u0161 n\u00e1vrh v krabici, kter\u00e1 bude ve v\u00fdrob\u011b skute\u010dn\u011b fungovat. Za\u0161lete n\u00e1m sv\u00e9 rozm\u011bry a postar\u00e1me se o to, aby va\u0161e za\u0159\u00edzen\u00ed bylo spr\u00e1vn\u011b chr\u00e1n\u011bno hned na prvn\u00ed pokus.<\/p>","protected":false},"excerpt":{"rendered":"<p>I have spent years on the sheet metal fabrication floor at ShincoFab, designing, laser-cutting, and troubleshooting industrial electrical panels. I have seen firsthand what happens when a client sends us a layout for a box that is simply too small. It leads to melted wires, ruined equipment, and thousands of dollars in wasted redesigns. I [&hellip;]<\/p>\n","protected":false},"author":3,"featured_media":11910,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"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":"disabled","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":"var(--ast-global-color-4)","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-11908","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-uncategorized"],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v27.6.1 (Yoast SEO v28.1) - 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