{"id":2114,"date":"2026-07-16T06:01:00","date_gmt":"2026-07-16T06:01:00","guid":{"rendered":"https:\/\/onpowbutton.com\/news\/12v-vs-24v-illuminated-push-button-switches\/"},"modified":"2026-07-16T06:54:47","modified_gmt":"2026-07-16T06:54:47","slug":"12v-vs-24v-illuminated-push-button-switches","status":"publish","type":"post","link":"https:\/\/onpowbutton.com\/cs\/news\/12v-vs-24v-illuminated-push-button-switches\/","title":{"rendered":"Sv\u011bteln\u00e9 tla\u010d\u00edtkov\u00e9 sp\u00edna\u010de 12 V vs. 24 V: specifikace obvodu LED"},"content":{"rendered":"<div class=\"b2b-article\">\n<p style=\"margin:0 0 16px;line-height:1.7\"><strong>Osv\u011btlen\u00e9 tla\u010d\u00edtkov\u00e9 sp\u00edna\u010de 12 V vs. 24 V<\/strong> je nutn\u00e9 specifikovat nejprve podle nap\u00e1jec\u00edho obvodu LED a teprve pot\u00e9 podle sp\u00ednac\u00edch kontakt\u016f. Varianta s kontrolkou 12 V nen\u00ed variantou s kontrolkou 24 V opat\u0159enou pouze jin\u00fdm ozna\u010den\u00edm: p\u0159izp\u016fsobte zdokumentovan\u00e9 nap\u00e1jen\u00ed kontrolky zvolen\u00e9 nap\u011b\u0165ov\u00e9 variant\u011b a ov\u011b\u0159te sch\u00e9ma zapojen\u00ed svorek pro konkr\u00e9tn\u00ed \u010d\u00edslo d\u00edlu.<\/p>\n<p style=\"margin:0 0 16px;line-height:1.7\"><img decoding=\"async\" style=\"max-width:640px;width:100%;height:auto;display:block;margin:0 auto;border-radius:8px\" alt=\"ONPOW GQ40 metal illuminated push button for specifying a separate LED circuit\" src=\"https:\/\/onpowbutton.com\/wp-content\/uploads\/2026\/06\/GQ40-Series.webp\" \/><\/p>\n<nav class=\"b2b-toc\" style=\"background:#f5f8fa;padding:16px 20px;border-radius:8px;margin:0 0 24px\">\n<h2 style=\"margin:42px 0 14px;scroll-margin-top:96px\">Obsah<\/h2>\n<ul style=\"margin:0 0 18px 1.2em;line-height:1.7\">\n<li style=\"margin:0 0 8px\"><a style=\"color:#27649a;text-decoration:underline\" href=\"#part-1-what-changes-between-a-12v-and-24v-illuminated-push-button\">\u010c\u00e1st 1. Co se m\u011bn\u00ed mezi osv\u011btlen\u00fdm tla\u010d\u00edtkem 12 V a 24 V?<\/a><\/li>\n<li style=\"margin:0 0 8px\"><a style=\"color:#27649a;text-decoration:underline\" href=\"#part-2-which-circuit-is-the-lamp-circuit-and-which-circuit-switches-the-load\">\u010c\u00e1st 2. Kter\u00fd obvod je obvod lampy a kter\u00fd sp\u00edn\u00e1 z\u00e1t\u011b\u017e?<\/a><\/li>\n<li style=\"margin:0 0 8px\"><a style=\"color:#27649a;text-decoration:underline\" href=\"#part-3-how-should-an-led-be-wired-for-power-status-or-actuation-feedback\">\u010c\u00e1st 3. Jak zapojit LED pro nap\u00e1jen\u00ed, indikaci stavu nebo zp\u011btnou vazbu aktivace?<\/a><\/li>\n<li style=\"margin:0 0 8px\"><a style=\"color:#27649a;text-decoration:underline\" href=\"#part-4-when-do-polarity-ac-dc-marking-and-internal-resistance-change-the-design\">\u010c\u00e1st 4. Kdy ovliv\u0148uj\u00ed polarita, ozna\u010den\u00ed AC\/DC a vnit\u0159n\u00ed odpor n\u00e1vrh zapojen\u00ed?<\/a><\/li>\n<li style=\"margin:0 0 8px\"><a style=\"color:#27649a;text-decoration:underline\" href=\"#part-5-which-voltage-mismatch-mistakes-should-stop-a-panel-build\">\u010c\u00e1st 5. Kter\u00e9 chyby zp\u016fsoben\u00e9 nesouladem nap\u011bt\u00ed by m\u011bly zastavit sestavov\u00e1n\u00ed rozvad\u011b\u010de?<\/a><\/li>\n<li style=\"margin:0 0 8px\"><a style=\"color:#27649a;text-decoration:underline\" href=\"#part-6-which-onpow-illuminated-families-fit-a-documented-led-specification\">\u010c\u00e1st 6. Kter\u00e9 \u0159ady osv\u011btlen\u00fdch tla\u010d\u00edtek ONPOW odpov\u00eddaj\u00ed zdokumentovan\u00e9 specifikaci LED?<\/a><\/li>\n<li style=\"margin:0 0 8px\"><a style=\"color:#27649a;text-decoration:underline\" href=\"#part-7-what-should-buyers-place-in-an-illuminated-push-button-rfq\">\u010c\u00e1st 7. Jak\u00e9 \u00fadaje by m\u011bli kupuj\u00edc\u00ed uv\u00e9st v popt\u00e1vce na osv\u011btlen\u00e1 tla\u010d\u00edtka?<\/a><\/li>\n<\/ul>\n<\/nav>\n<h2 style=\"margin:42px 0 14px;scroll-margin-top:96px\" id=\"part-1-what-changes-between-a-12v-and-24v-illuminated-push-button\">\u010c\u00e1st 1. Co se m\u011bn\u00ed mezi osv\u011btlen\u00fdm tla\u010d\u00edtkem 12 V a 24 V?<\/h2>\n<p style=\"margin:0 0 16px;line-height:1.7\">Zm\u011bna se t\u00fdk\u00e1 specifikace nap\u00e1jen\u00ed osv\u011btlen\u00ed, nikoli automaticky funkce kontakt\u016f. Osv\u011btlen\u00e9 tla\u010d\u00edtko kombinuje ovl\u00e1dac\u00ed mechanismus se sestavou kontrolky, proto mus\u00ed v\u00fdkres p\u0159ed p\u0159i\u0159azen\u00edm svorek v\u00fdrobcem rozvad\u011b\u010de identifikovat oba obvody.<\/p>\n<p style=\"margin:0 0 16px;line-height:1.7\">ONPOW\u2019s <a style=\"color:#27649a;text-decoration:underline\" href=\"https:\/\/onpowbutton.com\/cs\/gq-product\/\">GQ<\/a> uv\u00e1d\u00ed varianty LED 6 V, 12 V a 24 V. Tato str\u00e1nka tak\u00e9 uv\u00e1d\u00ed, \u017ee verze 6\u201324 V pou\u017e\u00edvaj\u00ed vnit\u0159n\u00ed odpor; tato pozn\u00e1mka se vztahuje na \u0159adu GQ a nedokl\u00e1d\u00e1 konstrukci \u017e\u00e1dn\u00e9ho SKU, kter\u00e9 nen\u00ed v\u00fdslovn\u011b uvedeno.<\/p>\n<table style=\"width:100%;border-collapse:collapse\">\n<thead>\n<tr>\n<th style=\"border:1px solid #d9e1e8;padding:9px 12px;background:#f5f8fa;text-align:left\">Pole<\/th>\n<th style=\"border:1px solid #d9e1e8;padding:9px 12px;background:#f5f8fa;text-align:left\">Varianta LED 12 V<\/th>\n<th style=\"border:1px solid #d9e1e8;padding:9px 12px;background:#f5f8fa;text-align:left\">Varianta LED 24 V<\/th>\n<th style=\"border:1px solid #d9e1e8;padding:9px 12px;background:#f5f8fa;text-align:left\">Dopad na n\u00e1kup<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td style=\"border:1px solid #d9e1e8;padding:9px 12px\">Nap\u00e1jen\u00ed lampy k dokumentu<\/td>\n<td style=\"border:1px solid #d9e1e8;padding:9px 12px\">12 V<\/td>\n<td style=\"border:1px solid #d9e1e8;padding:9px 12px\">24 V<\/td>\n<td style=\"border:1px solid #d9e1e8;padding:9px 12px\">P\u0159i\u0159a\u010fte k\u00f3d objedn\u00e1vky ke skute\u010dn\u00e9mu obvodu lampy<\/td>\n<\/tr>\n<tr>\n<td style=\"border:1px solid #d9e1e8;padding:9px 12px\">Obvod kontaktu<\/td>\n<td style=\"border:1px solid #d9e1e8;padding:9px 12px\">Samostatn\u00e1 specifikace<\/td>\n<td style=\"border:1px solid #d9e1e8;padding:9px 12px\">Samostatn\u00e1 specifikace<\/td>\n<td style=\"border:1px solid #d9e1e8;padding:9px 12px\">Uve\u010fte nap\u011bt\u00ed z\u00e1t\u011b\u017ee, proud a typ z\u00e1t\u011b\u017ee nez\u00e1visle<\/td>\n<\/tr>\n<tr>\n<td style=\"border:1px solid #d9e1e8;padding:9px 12px\">O\u010dek\u00e1van\u00fd jas<\/td>\n<td style=\"border:1px solid #d9e1e8;padding:9px 12px\">Podle vybran\u00e9ho modelu<\/td>\n<td style=\"border:1px solid #d9e1e8;padding:9px 12px\">Podle vybran\u00e9ho modelu<\/td>\n<td style=\"border:1px solid #d9e1e8;padding:9px 12px\">Bez dostupn\u00fdch \u00fadaj\u016f neporovn\u00e1vejte jas mezi nap\u011b\u0165ov\u00fdmi variantami<\/td>\n<\/tr>\n<tr>\n<td style=\"border:1px solid #d9e1e8;padding:9px 12px\">Bezpe\u010dn\u00fd zkrat<\/td>\n<td style=\"border:1px solid #d9e1e8;padding:9px 12px\">\u017d\u00e1dn\u00e9<\/td>\n<td style=\"border:1px solid #d9e1e8;padding:9px 12px\">\u017d\u00e1dn\u00e9<\/td>\n<td style=\"border:1px solid #d9e1e8;padding:9px 12px\">Po\u010det termin\u00e1l\u016f nen\u00ed sch\u00e9ma zapojen\u00ed<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h2 style=\"margin:42px 0 14px;scroll-margin-top:96px\" id=\"part-2-which-circuit-is-the-lamp-circuit-and-which-circuit-switches-the-load\">\u010c\u00e1st 2. Kter\u00fd obvod je obvod lampy a kter\u00fd sp\u00edn\u00e1 z\u00e1t\u011b\u017e?<\/h2>\n<p style=\"margin:0 0 16px;line-height:1.7\">Na rozd\u00edl od viditeln\u00e9ho pohonu \u010dasto kontaktn\u00ed obvod a obvod LED slou\u017e\u00ed r\u016fzn\u00fdm \u00fakol\u016fm. Kontaktn\u00ed p\u00e1r vytv\u00e1\u0159\u00ed nebo p\u0159eru\u0161uje p\u0159\u00edkazovou nebo z\u00e1t\u011b\u017eovou cestu; obvod lampy ukazuje dostupnost, stav nebo akci oper\u00e1tora.<\/p>\n<p style=\"margin:0 0 16px;line-height:1.7\">The <a style=\"color:#27649a;text-decoration:underline\" href=\"https:\/\/www.nkkswitches.com\/pdf\/illuminatedpushbuttons.pdf\" target=\"_blank\" rel=\"noopener\">Pr\u016fvodce osv\u011btlen\u00fdm tla\u010d\u00edtkem NKK<\/a> popisuje izolovan\u00e9 LED obvody a pot\u0159ebu extern\u00edho omezen\u00ed proudu, kdy\u017e zdroj p\u0159ekra\u010duje hodnotu lampy. Pova\u017eujte to za obecn\u00e9 n\u00e1vrhov\u00e9 pravidlo a n\u00e1sledujte ozna\u010den\u00ed termin\u00e1l\u016f a datasheet pro vybranou sou\u010d\u00e1st ONPOW.<\/p>\n<blockquote>\n<p style=\"margin:0 0 16px;line-height:1.7\"><strong>D\u016fle\u017eit\u00e9:<\/strong> Nikdy neodvozujte p\u0159ipojen\u00ed lampy k termin\u00e1lu z hodnocen\u00ed kontaktu. The <a style=\"color:#27649a;text-decoration:underline\" href=\"https:\/\/webstore.iec.ch\/en\/publication\/65935\" target=\"_blank\" rel=\"noopener\">publikace IEC 60947-5-1<\/a> pokryv\u00e1 za\u0159\u00edzen\u00ed \u0159\u00eddic\u00edho obvodu, ale nenahrazuje sch\u00e9ma zapojen\u00ed specifick\u00e9 pro model.<\/p>\n<\/blockquote>\n<h2 style=\"margin:42px 0 14px;scroll-margin-top:96px\" id=\"part-3-how-should-an-led-be-wired-for-power-status-or-actuation-feedback\">\u010c\u00e1st 3. Jak zapojit LED pro nap\u00e1jen\u00ed, indikaci stavu nebo zp\u011btnou vazbu aktivace?<\/h2>\n<p style=\"margin:0 0 16px;line-height:1.7\">Pro indikaci p\u0159\u00edtomnosti nap\u00e1jen\u00ed je obvod LED p\u0159ipojen p\u0159es p\u0159\u00edslu\u0161n\u00fd \u0159\u00eddic\u00ed zdroj, tak\u017ee je pohon aktivn\u00ed, kdykoli je tento zdroj dostupn\u00fd. Pro indikaci stavu je obvod lampy \u0159\u00edzen z osv\u011bd\u010den\u00e9ho pomocn\u00e9ho kontaktu, v\u00fdstupu nebo logick\u00e9ho sign\u00e1lu, kter\u00fd p\u0159edstavuje po\u017eadovan\u00fd stav, nikoli pouze stisknut\u00ed tla\u010d\u00edtka.<\/p>\n<p style=\"margin:0 0 16px;line-height:1.7\">Za\u0159\u00edzen\u00ed zp\u011btn\u00e9 vazby p\u0159i aktivaci pou\u017e\u00edv\u00e1 stav kontaktu k aktivaci lampy pouze b\u011bhem aktivn\u00edho p\u0159\u00edkazov\u00e9ho \u0159et\u011bzce. Toto uspo\u0159\u00e1d\u00e1n\u00ed mus\u00ed st\u00e1le respektovat nap\u011bt\u00ed lampy a jak\u00e9koli po\u017eadavky na izolaci nebo potla\u010den\u00ed v n\u00e1vrhu panelu.<\/p>\n<p style=\"margin:0 0 16px;line-height:1.7\"><img decoding=\"async\" style=\"max-width:640px;width:100%;height:auto;display:block;margin:0 auto;border-radius:8px\" alt=\"ONPOW GQ30 metal push button with illuminated actuator for 12V or 24V control panels\" src=\"https:\/\/onpowbutton.com\/wp-content\/uploads\/2026\/06\/GQ30-Series.webp\" \/><\/p>\n<table style=\"width:100%;border-collapse:collapse\">\n<thead>\n<tr>\n<th style=\"border:1px solid #d9e1e8;padding:9px 12px;background:#f5f8fa;text-align:left\">Po\u017eadovan\u00e1 indikace<\/th>\n<th style=\"border:1px solid #d9e1e8;padding:9px 12px;background:#f5f8fa;text-align:left\">Rozhodnut\u00ed o obvodu<\/th>\n<th style=\"border:1px solid #d9e1e8;padding:9px 12px;background:#f5f8fa;text-align:left\">Co mus\u00ed sch\u00e9ma uk\u00e1zat<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td style=\"border:1px solid #d9e1e8;padding:9px 12px\">Dostupn\u00e1 s\u00edla<\/td>\n<td style=\"border:1px solid #d9e1e8;padding:9px 12px\">Lampa p\u0159es dokumentovan\u00fd \u0159\u00eddic\u00ed zdroj<\/td>\n<td style=\"border:1px solid #d9e1e8;padding:9px 12px\">Mo\u017enost nap\u011bt\u00ed LED a termin\u00e1ly lampy<\/td>\n<\/tr>\n<tr>\n<td style=\"border:1px solid #d9e1e8;padding:9px 12px\">P\u0159\u00edkaz aktivn\u00ed<\/td>\n<td style=\"border:1px solid #d9e1e8;padding:9px 12px\">Lampa \u0159\u00edzena ov\u011b\u0159en\u00fdm stavov\u00fdm sign\u00e1lem<\/td>\n<td style=\"border:1px solid #d9e1e8;padding:9px 12px\">zdroj sign\u00e1lu stavu a spole\u010dn\u00fd referen\u010dn\u00ed bod<\/td>\n<\/tr>\n<tr>\n<td style=\"border:1px solid #d9e1e8;padding:9px 12px\">Zp\u011btn\u00e1 vazba stisku tla\u010d\u00edtka<\/td>\n<td style=\"border:1px solid #d9e1e8;padding:9px 12px\">Lampa nap\u00e1jena p\u0159es zam\u00fd\u0161lenou logiku kontaktu<\/td>\n<td style=\"border:1px solid #d9e1e8;padding:9px 12px\">zda je akce okam\u017eit\u00e1 nebo z\u00e1mkov\u00e1<\/td>\n<\/tr>\n<tr>\n<td style=\"border:1px solid #d9e1e8;padding:9px 12px\">Porucha nebo vzd\u00e1len\u00fd stav<\/td>\n<td style=\"border:1px solid #d9e1e8;padding:9px 12px\">Lampa \u0159\u00edzen\u00e1 logikou \u0159adi\u010de\/rel\u00e9<\/td>\n<td style=\"border:1px solid #d9e1e8;padding:9px 12px\">polarita nebo po\u017eadavek na st\u0159\u00eddav\u00e9\/stejnosm\u011brn\u00e9 nap\u011bt\u00ed a chov\u00e1n\u00ed p\u0159i selh\u00e1n\u00ed<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h2 style=\"margin:42px 0 14px;scroll-margin-top:96px\" id=\"part-4-when-do-polarity-ac-dc-marking-and-internal-resistance-change-the-design\">\u010c\u00e1st 4. Kdy ovliv\u0148uj\u00ed polarita, ozna\u010den\u00ed AC\/DC a vnit\u0159n\u00ed odpor n\u00e1vrh zapojen\u00ed?<\/h2>\n<p style=\"margin:0 0 16px;line-height:1.7\">Pokud datasheet ozna\u010duje kladn\u00e9 a z\u00e1porn\u00e9 termin\u00e1ly LED, zachovejte uvedenou polaritu a nep\u0159edpokl\u00e1dejte, \u017ee obr\u00e1cen\u00e9 p\u0159ipojen\u00ed je ne\u0161kodn\u00e9. Str\u00e1nka GQ od ONPOW popisuje speci\u00e1ln\u011b LED lampu AC\/DC bez rozd\u00edlu mezi anodou a katodou; tento zve\u0159ejn\u011bn\u00fd pozn\u00e1mka by m\u011bla b\u00fdt pou\u017eita pouze pro relevantn\u00ed konfiguraci GQ.<\/p>\n<p style=\"margin:0 0 16px;line-height:1.7\">P\u0159i vy\u0161\u0161\u00edm nap\u011bt\u00ed zdroje, ne\u017e je hodnocen\u00ed lampy, mus\u00ed b\u00fdt omezen\u00ed proudu navr\u017eeno na z\u00e1klad\u011b ov\u011b\u0159en\u00fdch elektrick\u00fdch dat. Diskuse in\u017een\u00fdr\u016f v <a style=\"color:#27649a;text-decoration:underline\" href=\"https:\/\/electronics.stackexchange.com\/questions\/444783\/how-to-correctly-power-the-led-of-a-push-button\" target=\"_blank\" rel=\"noopener\">Ot\u00e1zky a odpov\u011bdi na Electronics Stack Exchange o tla\u010d\u00edtkov\u00fdch LED<\/a> zd\u016fraz\u0148uje, pro\u010d datasheet m\u016f\u017ee uv\u00e1d\u011bt n\u011bkolik variant nap\u011bt\u00ed m\u00edsto jedn\u00e9 univerz\u00e1ln\u00ed LED.<\/p>\n<h2 style=\"margin:42px 0 14px;scroll-margin-top:96px\" id=\"part-5-which-voltage-mismatch-mistakes-should-stop-a-panel-build\">\u010c\u00e1st 5. Kter\u00e9 chyby zp\u016fsoben\u00e9 nesouladem nap\u011bt\u00ed by m\u011bly zastavit sestavov\u00e1n\u00ed rozvad\u011b\u010de?<\/h2>\n<p style=\"margin:0 0 16px;line-height:1.7\">Mo\u017enost lampy 110V p\u0159ipojen\u00e1 p\u0159\u00edmo k nap\u00e1jen\u00ed 220V je zastavovac\u00ed podm\u00ednka, pokud dokumentace vybran\u00e9ho modelu v\u00fdslovn\u011b nepodporuje takov\u00e9 uspo\u0159\u00e1d\u00e1n\u00ed. Mo\u017enost 220V na nap\u00e1jen\u00ed 110V tak\u00e9 nen\u00ed zkratkou ve specifikaci: viditeln\u00fd v\u00fdstup a chov\u00e1n\u00ed nelze p\u0159ijmout na z\u00e1klad\u011b p\u0159edpokladu.<\/p>\n<p style=\"margin:0 0 16px;line-height:1.7\">Vyhn\u011bte se t\u011bmto opakuj\u00edc\u00edm se chyb\u00e1m:<br \/>\n\u2013 objedn\u00e1v\u00e1n\u00ed podle nap\u011bt\u00ed kontaktu p\u0159i vynech\u00e1n\u00ed nap\u011bt\u00ed LED;<br \/>\n\u2013 pou\u017eit\u00ed v\u00fdpo\u010dtu extern\u00edho rezistoru, kdy\u017e nen\u00ed zn\u00e1mo vnit\u0159n\u00ed zapojen\u00ed;<br \/>\np\u0159ipojen\u00ed kontroln\u00ed lampy ke kontaktu, kter\u00fd neozna\u010duje stav stroje;<br \/>\n\u2013 p\u0159edpokl\u00e1d\u00e1 se, \u017ee ka\u017ed\u00fd osv\u011btlen\u00fd za\u0159\u00edzen\u00ed je bez polarity; a<br \/>\n\u2013 pova\u017euje ozna\u010den\u00ed AC\/DC na jednom \u0159ad\u011b za univerz\u00e1ln\u00ed pravidlo.<\/p>\n<h2 style=\"margin:42px 0 14px;scroll-margin-top:96px\" id=\"part-6-which-onpow-illuminated-families-fit-a-documented-led-specification\">\u010c\u00e1st 6. Kter\u00e9 \u0159ady osv\u011btlen\u00fdch tla\u010d\u00edtek ONPOW odpov\u00eddaj\u00ed zdokumentovan\u00e9 specifikaci LED?<\/h2>\n<p style=\"margin:0 0 16px;line-height:1.7\">Pro projekt, jeho\u017e obvod lampy AC je ji\u017e zdokumentov\u00e1n, <a style=\"color:#27649a;text-decoration:underline\" href=\"https:\/\/onpowbutton.com\/cs\/gq-product\/\">rodina produkt\u016f ONPOW GQ<\/a> je relevantn\u00edm v\u00fdchoz\u00edm bodem, proto\u017ee str\u00e1nka uv\u00e1d\u00ed mo\u017enosti LED s nap\u011bt\u00edm 6V, 12V a 24V. M\u011blo by b\u00fdt zp\u0159esn\u011bno podle v\u00fd\u0159ezu, provozu, typu svorek, pot\u0159eby ochrany, barvy LED a p\u0159esn\u00e9 pozn\u00e1mky k obvodu lampy.<\/p>\n<p style=\"margin:0 0 16px;line-height:1.7\">The <a style=\"color:#27649a;text-decoration:underline\" href=\"https:\/\/onpowbutton.com\/cs\/onpow61-serise-product\/\">\u0159ady ONPOW61<\/a> uv\u00e1d\u00ed instala\u010dn\u00ed pr\u016fm\u011bry 16 mm, 19 mm a 22 mm, struktury kontakt\u016f 1NO1NC nebo 2NO2NC a mo\u017enosti LED s nap\u011bt\u00edm AC\/DC 6V\/12V\/24V\/110V\/220V. Jeho uv\u00e1d\u011bn\u00e9 Ui 250V a Ith 5A jsou s\u00e9riov\u00e9 \u00fadaje, nikoli pokyn k pou\u017eit\u00ed kontaktov\u00e9ho obvodu jako nap\u00e1jen\u00ed LED.<\/p>\n<p style=\"margin:0 0 16px;line-height:1.7\"><img decoding=\"async\" style=\"max-width:640px;width:100%;height:auto;display:block;margin:0 auto;border-radius:8px\" alt=\"ONPOW GQ25 metal illuminated push button for a documented LED voltage specification\" src=\"https:\/\/onpowbutton.com\/wp-content\/uploads\/2026\/06\/GQ25-Series.webp\" \/><\/p>\n<h2 style=\"margin:42px 0 14px;scroll-margin-top:96px\" id=\"part-7-what-should-buyers-place-in-an-illuminated-push-button-rfq\">\u010c\u00e1st 7. Jak\u00e9 \u00fadaje by m\u011bli kupuj\u00edc\u00ed uv\u00e9st v popt\u00e1vce na osv\u011btlen\u00e1 tla\u010d\u00edtka?<\/h2>\n<p style=\"margin:0 0 16px;line-height:1.7\">RFQ se st\u00e1v\u00e1 srovnateln\u00fdm, kdy\u017e odd\u011bluje obvod lampy od sp\u00ednac\u00edho re\u017eimu. Za\u0161lete p\u0159esn\u00fd v\u00fd\u0159ez panelu, \u010d\u00edslo d\u00edlu, pokud je zn\u00e1mo, okam\u017eit\u00fd nebo z\u00e1mkov\u00fd chod, uspo\u0159\u00e1d\u00e1n\u00ed kontakt\u016f, zat\u00ed\u017een\u00ed kontaktu a typ z\u00e1t\u011b\u017ee, nap\u00e1jen\u00ed lampy AC (110V nebo 220V, jak je dokumentov\u00e1no), barvu LED, po\u017eadovan\u00e9 chov\u00e1n\u00ed indikace, preferovanou svorku, c\u00edlovou ochranu, mno\u017estv\u00ed a \u017e\u00e1dost o dokumentaci pro c\u00edlov\u00fd trh.<\/p>\n<p style=\"margin:0 0 16px;line-height:1.7\"><strong>Hranice vhodnosti:<\/strong> Tento pr\u016fvodce je vhodn\u00fd pro projekty s dokumentovan\u00fdm n\u00edzkonap\u011b\u0165ov\u00fdm nap\u00e1jen\u00edm LED a uvoln\u011bnou koncepc\u00ed obvodu. Nehod\u00ed se pro retrofit, kde jsou nezn\u00e1m\u00e9 svorky, nap\u00e1jec\u00ed nap\u011bt\u00ed nebo po\u017eadovan\u00e9 chov\u00e1n\u00ed lampy. Pou\u017eijte <a style=\"color:#27649a;text-decoration:underline\" href=\"https:\/\/onpowbutton.com\/cs\/contact-us\/\">kontaktujte ONPOW s specifikacemi panelu<\/a> pot\u00e9, co jsou tyto \u00fadaje k dispozici, nebo p\u0159ezkoumejte <a style=\"color:#27649a;text-decoration:underline\" href=\"https:\/\/onpowbutton.com\/cs\/news\/22mm-push-button-switch-guide\/\">Pr\u016fvodce tla\u010d\u00edtkov\u00fdm sp\u00edna\u010dem 22 mm<\/a> kdy\u017e je v\u00fdb\u011br v\u00fd\u0159ezu st\u00e1le otev\u0159en\u00fd.<\/p>\n<h2 style=\"margin:42px 0 14px;scroll-margin-top:96px\">\u010casto kladen\u00e9 ot\u00e1zky<\/h2>\n<h3 style=\"margin:28px 0 12px\">Jak\u00fd je rozd\u00edl mezi 12V a 24V osv\u011btlen\u00fdm tla\u010d\u00edtkem?<\/h3>\n<p style=\"margin:0 0 16px;line-height:1.7\">\u0160t\u00edtek 12V nebo 24V obvykle ozna\u010duje specifickou mo\u017enost nap\u00e1jen\u00ed lampy. Vyberte ji z aktu\u00e1ln\u00edho obvodu LED a potvr\u010fte p\u0159esn\u00e9 informace o svork\u00e1ch a odporu dan\u00e9ho modelu.<\/p>\n<h3 style=\"margin:28px 0 12px\">Mohu p\u0159ipojit osv\u011btlen\u00fd sp\u00edna\u010d 12V k \u0159\u00eddic\u00edmu obvodu 24V?<\/h3>\n<p style=\"margin:0 0 16px;line-height:1.7\">P\u0159\u00edmo ne. P\u0159esta\u0148te a pou\u017eijte dokumentaci v\u00fdrobce pro vybran\u00fd obvod lampy; nesoulad nap\u011bt\u00ed m\u016f\u017ee vy\u017eadovat dokumentovan\u00e9 \u0159e\u0161en\u00ed omezen\u00ed proudu nebo spr\u00e1vnou variantu nap\u011bt\u00ed.<\/p>\n<h3 style=\"margin:28px 0 12px\">Jsou termin\u00e1ly LED odd\u011blen\u00e9 od kontakt\u016f sp\u00edna\u010de?<\/h3>\n<p style=\"margin:0 0 16px;line-height:1.7\">\u010casto jsou, ale uspo\u0159\u00e1d\u00e1n\u00ed termin\u00e1l\u016f je specifick\u00e9 pro model. Pou\u017eijte p\u0159esn\u00fd sch\u00e9ma zapojen\u00ed, nikoliv po\u010d\u00edt\u00e1n\u00ed pin\u016f nebo spol\u00e9h\u00e1n\u00ed na jinou s\u00e9rii.<\/p>\n<h3 style=\"margin:28px 0 12px\">M\u016f\u017ee LED z\u016fstat zapnut\u00e1, kdy\u017e nen\u00ed tla\u010d\u00edtko stisknuto?<\/h3>\n<p style=\"margin:0 0 16px;line-height:1.7\">Ano, pokud je obvod lampy zapojen na vhodn\u00fd dokumentovan\u00fd zdroj nebo sign\u00e1l stavu. Zam\u00fd\u0161len\u00e9 chov\u00e1n\u00ed mus\u00ed b\u00fdt zobrazeno v sch\u00e9matu.<\/p>\n<h3 style=\"margin:28px 0 12px\">Do illuminated push buttons always have polarity?<\/h3>\n<p style=\"margin:0 0 16px;line-height:1.7\">No. Some models are polarity-sensitive while the ONPOW GQ page describes an AC\/DC lamp construction without anode\/cathode difference. Confirm the selected SKU.<\/p>\n<h3 style=\"margin:28px 0 12px\">When should I use an external resistor?<\/h3>\n<p style=\"margin:0 0 16px;line-height:1.7\">Only when the selected lamp documentation requires current limiting for the available source. Do not add or omit a resistor based only on the switch\u2019s appearance.<\/p>\n<h3 style=\"margin:28px 0 12px\">What must an RFQ state for an illuminated push button?<\/h3>\n<p style=\"margin:0 0 16px;line-height:1.7\">Uve\u010fte samostatn\u011b kontaktn\u00ed zat\u00ed\u017een\u00ed a obvod lampy, plus v\u00fd\u0159ez, akci, kontakty, nap\u011bt\u00ed a barvu AC lampy, po\u017eadovan\u00e9 chov\u00e1n\u00ed indikace, svorky, pot\u0159ebu ochrany, mno\u017estv\u00ed a po\u017eadavek na dokumentaci.<\/p>\n<h2 style=\"margin:42px 0 14px;scroll-margin-top:96px\">Reference<\/h2>\n<ul style=\"margin:0 0 18px 1.2em;line-height:1.7\">\n<li style=\"margin:0 0 8px\"><a style=\"color:#27649a;text-decoration:underline\" href=\"https:\/\/webstore.iec.ch\/en\/publication\/65935\" target=\"_blank\" rel=\"noopener\">Za\u0159\u00edzen\u00ed \u0159\u00eddic\u00edho obvodu a sp\u00ednac\u00ed prvky podle IEC 60947-5-1<\/a><\/li>\n<li style=\"margin:0 0 8px\"><a style=\"color:#27649a;text-decoration:underline\" href=\"https:\/\/www.nkkswitches.com\/pdf\/illuminatedpushbuttons.pdf\" target=\"_blank\" rel=\"noopener\">Technick\u00fd pr\u016fvodce osv\u011btlen\u00fdm tla\u010d\u00edtkem NKK<\/a><\/li>\n<li style=\"margin:0 0 8px\"><a style=\"color:#27649a;text-decoration:underline\" href=\"https:\/\/electronics.stackexchange.com\/questions\/444783\/how-to-correctly-power-the-led-of-a-push-button\" target=\"_blank\" rel=\"noopener\">Diskuse na Electronics Stack Exchange o variant\u011b nap\u011bt\u00ed LED u tla\u010d\u00edtek<\/a><\/li>\n<\/ul>\n<\/div>","protected":false},"excerpt":{"rendered":"<p>12V vs 24V illuminated push button switches must be specified from the LED circuit first, then from the switching contacts. A 12V lamp option is not a 24V lamp option with a different label: match the documented lamp supply to the selected voltage variant, and confirm the terminal diagram for the exact part number. Contents [&hellip;]<\/p>\n","protected":false},"author":5,"featured_media":1929,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_uag_custom_page_level_css":"","footnotes":""},"categories":[1,98],"tags":[],"class_list":["post-2114","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-blog","category-news"],"uagb_featured_image_src":{"full":["https:\/\/onpowbutton.com\/wp-content\/uploads\/2026\/06\/GQ40-Series.webp",1938,1553,false],"thumbnail":["https:\/\/onpowbutton.com\/wp-content\/uploads\/2026\/06\/GQ40-Series-150x150.webp",150,150,true],"medium":["https:\/\/onpowbutton.com\/wp-content\/uploads\/2026\/06\/GQ40-Series-300x240.webp",300,240,true],"medium_large":["https:\/\/onpowbutton.com\/wp-content\/uploads\/2026\/06\/GQ40-Series-768x615.webp",768,615,true],"large":["https:\/\/onpowbutton.com\/wp-content\/uploads\/2026\/06\/GQ40-Series-1024x821.webp",1024,821,true],"1536x1536":["https:\/\/onpowbutton.com\/wp-content\/uploads\/2026\/06\/GQ40-Series-1536x1231.webp",1536,1231,true],"2048x2048":["https:\/\/onpowbutton.com\/wp-content\/uploads\/2026\/06\/GQ40-Series.webp",1938,1553,false],"trp-custom-language-flag":["https:\/\/onpowbutton.com\/wp-content\/uploads\/2026\/06\/GQ40-Series-15x12.webp",15,12,true]},"uagb_author_info":{"display_name":"Relife","author_link":"https:\/\/onpowbutton.com\/cs\/author\/relife\/"},"uagb_comment_info":0,"uagb_excerpt":"12V vs 24V illuminated push button switches must be specified from the LED circuit first, then from the switching contacts. A 12V lamp option is not a 24V lamp option with a different label: match the documented lamp supply to the selected voltage variant, and confirm the terminal diagram for the exact part number. Contents&hellip;","_links":{"self":[{"href":"https:\/\/onpowbutton.com\/cs\/wp-json\/wp\/v2\/posts\/2114","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/onpowbutton.com\/cs\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/onpowbutton.com\/cs\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/onpowbutton.com\/cs\/wp-json\/wp\/v2\/users\/5"}],"replies":[{"embeddable":true,"href":"https:\/\/onpowbutton.com\/cs\/wp-json\/wp\/v2\/comments?post=2114"}],"version-history":[{"count":1,"href":"https:\/\/onpowbutton.com\/cs\/wp-json\/wp\/v2\/posts\/2114\/revisions"}],"predecessor-version":[{"id":2115,"href":"https:\/\/onpowbutton.com\/cs\/wp-json\/wp\/v2\/posts\/2114\/revisions\/2115"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/onpowbutton.com\/cs\/wp-json\/wp\/v2\/media\/1929"}],"wp:attachment":[{"href":"https:\/\/onpowbutton.com\/cs\/wp-json\/wp\/v2\/media?parent=2114"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/onpowbutton.com\/cs\/wp-json\/wp\/v2\/categories?post=2114"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/onpowbutton.com\/cs\/wp-json\/wp\/v2\/tags?post=2114"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}