{"id":4076,"date":"2025-07-05T15:48:09","date_gmt":"2025-07-05T07:48:09","guid":{"rendered":"https:\/\/led.amasly.com\/?page_id=4076"},"modified":"2025-07-05T15:48:14","modified_gmt":"2025-07-05T07:48:14","slug":"led-svetla-sa-nerozsvietia-bezne-priciny-a-riesenia","status":"publish","type":"page","link":"https:\/\/led.amasly.com\/sk\/vedomosti\/viedol-svetlo-vedomosti\/led-svetla-sa-nerozsvietia-bezne-priciny-a-riesenia\/","title":{"rendered":"Svetl\u00e1 LED sa nerozsvietia? Be\u017en\u00e9 pr\u00ed\u010diny a rie\u0161enia"},"content":{"rendered":"
<\/div><\/div>\n\n\n\n

Svetl\u00e1 LED sa nerozsvietia? Be\u017en\u00e9 pr\u00ed\u010diny a rie\u0161enia<\/strong><\/strong><\/h1>\n\n\n\n
\"\"<\/figure>\n\n\n\n

Ke\u010f LED svetlo n\u00e1hle prestane fungova\u0165, nie je va\u0161ou prvou reakciou jednoducho k\u00fapi\u0165 nov\u00e9? Niekedy v\u0161ak probl\u00e9m nie je len v samotnom LED svetle. V tomto \u010dl\u00e1nku budeme analyzova\u0165 nasleduj\u00face pr\u00ed\u010diny a rie\u0161enia por\u00fach LED di\u00f3d. Po pre\u010d\u00edtan\u00ed tohto \u010dl\u00e1nku budete vybaven\u00ed praktick\u00fdmi radami, aby ste dok\u00e1zali probl\u00e9m nefunk\u010dn\u00fdch LED svetiel vyrie\u0161i\u0165 sami!<\/p>\n\n\n\n

Svetl\u00e1 LED s\u00fa nap\u00e1jan\u00e9, ale v\u00f4bec nesvietia; niektor\u00e9 LED svietia, zatia\u013e \u010do ostatn\u00e9 nie; probl\u00e9m s blikan\u00edm sp\u00f4sobuje nestabiln\u00fd sveteln\u00fd efekt; LED st\u00e1le vy\u017earuj\u00fa slab\u00e9 svetlo aj po vypnut\u00ed; probl\u00e9m s prehrievan\u00edm m\u00f4\u017ee skr\u00e1ti\u0165 \u017eivotnos\u0165 LED; svetl\u00e1 LED s\u00fa nap\u00e1jan\u00e9, ale nesvietia.<\/strong><\/p>\n\n\n\n

Obr\u00e1\u0165te kladn\u00e9 a z\u00e1porn\u00e9 p\u00f3ly LED \u017eiaroviek: <\/strong>V\u0161eobecne plat\u00ed, \u017ee nap\u00e4tie nameran\u00e9 po reverz\u00e1cii je nap\u00e4tie napr\u00e1zdno. V takomto pr\u00edpade jednoducho op\u00e4tovne pripojte kladn\u00fd a z\u00e1porn\u00fd p\u00f3l LED svetiel.<\/p>\n\n\n\n

V\u00fdstupn\u00e9 vedenie nie je bezpe\u010dne pripojen\u00e9: <\/strong>to zodpoved\u00e1 rozpojen\u00e9mu obvodu v LED a meran\u00e9 nap\u00e4tie bude ukazova\u0165 nap\u00e4tie bez z\u00e1\u0165a\u017ee. Budete musie\u0165 op\u00e4tovne pripoji\u0165 v\u00fdstupy.<\/p>\n\n\n\n

Nes\u00falad medzi skuto\u010dn\u00fdm za\u0165a\u017een\u00edm a v\u00fdkonom: <\/strong>Ak je skuto\u010dn\u00fd v\u00fdkon vy\u0161\u0161\u00ed alebo ni\u017e\u0161\u00ed ako menovit\u00fd v\u00fdkon, m\u00f4\u017ee d\u00f4js\u0165 k poruche obvodu ovl\u00e1da\u010da LED.<\/p>\n\n\n\n

Skrat alebo rozpojenie: <\/strong>to sp\u00f4sob\u00ed, \u017ee sa LED di\u00f3dy nerozsvietia. V takom pr\u00edpade sa mus\u00edte obr\u00e1ti\u0165 na odborn\u00edka, aby obvod opravil.<\/p>\n\n\n\n

Po\u0161koden\u00e9 kor\u00e1lky LED: <\/strong>\u010casom sa m\u00f4\u017eu LED kor\u00e1lky vyp\u00e1li\u0165 rovnako ako in\u00e9 elektronick\u00e9 komponenty. Ak probl\u00e9m nie je v nap\u00e1jacom zdroji alebo obvode, skontrolujte, \u010di nie je po\u0161koden\u00e1 kor\u00e1lka. Jedn\u00fdm zo sp\u00f4sobov, ako to urobi\u0165, je vykona\u0165 \u201cporovn\u00e1vac\u00ed test\u201d, pri ktorom sa podozriv\u00e1 chybn\u00e1 kor\u00e1lka porovn\u00e1 s norm\u00e1lnou.<\/p>\n\n\n\n

Probl\u00e9m s ovl\u00e1da\u010dom alebo kondenz\u00e1torom: <\/strong>Ak ovl\u00e1da\u010d alebo kondenz\u00e1tor nie s\u00fa kompatibiln\u00e9 s LED di\u00f3dami, LED di\u00f3dy nebud\u00fa fungova\u0165 spr\u00e1vne. \u010eal\u0161ou mo\u017enos\u0165ou je chybn\u00fd kondenz\u00e1tor alebo ovl\u00e1da\u010d LED. Ak ovl\u00e1da\u010d zlyh\u00e1, jeho v\u00fdstupn\u00e9 nap\u00e4tie \u010dasto nem\u00f4\u017ee sp\u013a\u0148a\u0165 po\u017eadovan\u00e9 v\u00fdstupn\u00e9 nap\u00e4tie \u017eiarovky. Ak zlyh\u00e1 kondenz\u00e1tor, na jeho povrchu sa m\u00f4\u017eu vyskytn\u00fa\u0165 vypukliny, \u00fanik elektrolytu alebo stopy po sp\u00e1len\u00ed. Okrem toho hodnota kapacity nebude v menovitom rozsahu. V takom pr\u00edpade by ste mali vymeni\u0165 ovl\u00e1da\u010d alebo kondenz\u00e1tor. Pri v\u00fdmene ovl\u00e1da\u010da vyberte nap\u00e1jac\u00ed zdroj, ktor\u00fd zodpoved\u00e1 LED di\u00f3dam. Pri v\u00fdmene kondenz\u00e1tora vyberte kondenz\u00e1tor s rovnak\u00fdmi \u0161pecifik\u00e1ciami ako p\u00f4vodn\u00fd alebo s vy\u0161\u0161ou hodnotou v\u00fddr\u017en\u00e9ho nap\u00e4tia.<\/p>\n\n\n\n

\"\"<\/figure>\n\n\n\n

Pre\u010do sa rozsvieti len polovica mojich LED di\u00f3d?<\/strong><\/strong><\/h2>\n\n\n\n

Porucha jednej gu\u013e\u00f4\u010dky v LED svetelnom module neovplyvn\u00ed ostatn\u00e9 gu\u013e\u00f4\u010dky, ale sp\u00f4sob\u00ed stlmenie svetla. Medzi be\u017en\u00e9 pr\u00ed\u010diny zlyhania gu\u013e\u00f4\u010dok patria:<\/p>\n\n\n\n

Vlhkos\u0165: <\/strong>Vlhk\u00e9 LED kor\u00e1lky sa nedaj\u00fa rozsvieti\u0165 alebo nie s\u00fa dostato\u010dne jasn\u00e9. Ide o be\u017en\u00fd probl\u00e9m pri skladovan\u00ed sveteln\u00fdch kor\u00e1likov LED. V\u00fdrobcovia zvy\u010dajne pom\u00e1haj\u00fa z\u00e1kazn\u00edkom kor\u00e1lky pred \u010fal\u0161\u00edm pou\u017eit\u00edm dvakr\u00e1t zapiec\u0165.<\/p>\n\n\n\n

PO\u0160KODENIE: <\/strong>Vyp\u00e1len\u00e9 gu\u013e\u00f4\u010dky lampy maj\u00fa na povrchu \u010dierne \u0161kvrny. Ak je po\u0161koden\u00e1 len jedna alebo dve gu\u013e\u00f4\u010dky lampy, m\u00f4\u017eete si objedna\u0165 rovnak\u00fd typ gu\u013e\u00f4\u010dky lampy na v\u00fdmenu. Ak je po\u0161koden\u00fd v\u00e4\u010d\u0161\u00ed po\u010det gu\u013e\u00f4\u010dok lampy, treba vymeni\u0165 cel\u00fa dosku lampy.<\/p>\n\n\n\n

Sveteln\u00e9 p\u00e1sy LED sa zvy\u010dajne delia na nieko\u013eko segmentov. Sveteln\u00e9 gu\u013e\u00f4\u010dky v ka\u017edom segmente s\u00fa zapojen\u00e9 do s\u00e9rie, zatia\u013e \u010do segmenty s\u00fa zapojen\u00e9 paralelne. Ak sa jedna zo sveteln\u00fdch kor\u00e1lok v segmente prep\u00e1li, sp\u00f4sob\u00ed to, \u017ee segment prestane fungova\u0165. V takom pr\u00edpade sa segment, ktor\u00fd nesvieti, m\u00f4\u017ee upravi\u0165 alebo odreza\u0165.<\/p>\n\n\n\n

Pre\u010do blikaj\u00fa moje LED di\u00f3dy?<\/strong><\/strong><\/h2>\n\n\n\n

Ak sa \u0161pecifik\u00e1cie LED di\u00f3d a ovl\u00e1da\u010da nezhoduj\u00fa, \u017eiarovka nemus\u00ed vydr\u017ea\u0165 vysok\u00fd pr\u00fad, \u010do m\u00f4\u017ee ma\u0165 za n\u00e1sledok blikanie svetla. Ako vyrie\u0161i\u0165 probl\u00e9m blikania LED svetiel v d\u00f4sledku probl\u00e9mov s kompatibilitou? Vyme\u0148te \u017eiarovku za vhodn\u00fd ovl\u00e1da\u010d.<\/p>\n\n\n\n

LED \u017eiarovky m\u00f4\u017eu po ur\u010ditom \u010dase zlyha\u0165 a ovl\u00e1da\u010d m\u00f4\u017ee zlyha\u0165. V\u00fdmena ovl\u00e1da\u010da za nov\u00fd m\u00f4\u017ee pom\u00f4c\u0165 vyrie\u0161i\u0165 probl\u00e9m so svetlom LED.<\/p>\n\n\n\n

Ak m\u00e1 ovl\u00e1da\u010d tepeln\u00fa ochranu, ochr\u00e1ni obvod, ke\u010f LED di\u00f3dy dobre neodv\u00e1dzaj\u00fa teplo. To m\u00f4\u017ee sp\u00f4sobi\u0165 blikanie svetiel. V takom pr\u00edpade by ste mali zlep\u0161i\u0165 schopnos\u0165 svietidla odv\u00e1dza\u0165 teplo \u00fapravou krytu, pridan\u00edm chladiacich komponentov at\u010f.<\/p>\n\n\n\n

Svetl\u00e1 LED m\u00f4\u017eu pri pou\u017e\u00edvan\u00ed vo vlhkom prostred\u00ed blika\u0165. Vlhk\u00e9 prostredie m\u00f4\u017ee \u010dasom po\u0161kodi\u0165 svetlo a ovl\u00e1da\u010d. Ak je v\u00e1\u0161 ovl\u00e1da\u010d vodotesn\u00fd, m\u00f4\u017eete vymeni\u0165 \u017eiarovku LED.<\/p>\n\n\n\n

Nekompatibilita stmieva\u010dov: <\/strong>Ak pou\u017e\u00edvate be\u017en\u00fd stmieva\u010d, m\u00f4\u017ee by\u0165 nekompatibiln\u00fd so svetlami LED a sp\u00f4sobova\u0165 ich blikanie. V takom pr\u00edpade by ste si mali vybra\u0165 stmieva\u010d ur\u010den\u00fd pre LED svetl\u00e1, ktor\u00fd zvy\u010dajne podporuje svietidl\u00e1 s n\u00edzkou spotrebou energie, neru\u0161\u00ed ovl\u00e1da\u010d a m\u00e1 \u0161irok\u00fd rozsah nastavenia.<\/p>\n\n\n\n

Kol\u00edsanie nap\u00e4tia: <\/strong>Svetl\u00e1 LED m\u00f4\u017eu blika\u0165, ak doch\u00e1dza k \u010dast\u00fdm zmen\u00e1m nap\u00e4tia alebo ak je nap\u00e1janie nespo\u013eahliv\u00e9. M\u00f4\u017eete nain\u0161talova\u0165 regul\u00e1tor nap\u00e4tia alebo si vybra\u0165 kvalitnej\u0161\u00ed LED ovl\u00e1da\u010d.<\/p>\n\n\n\n

Ako sa vysporiada\u0165 s fenom\u00e9nom dosvitu LED svetiel?<\/strong><\/strong><\/h2>\n\n\n\n

Fenom\u00e9n dosvitu svetla LED sa t\u00fdka skuto\u010dnosti, \u017ee svetlo LED vy\u017earuje slab\u00e9 svetlo aj po vypnut\u00ed.Pr\u00ed\u010diny a rie\u0161enia dosvitu svetla LED s\u00fa tieto:<\/p>\n\n\n\n

\u010castou pr\u00ed\u010dinou je nespr\u00e1vne zapojen\u00fd sp\u00edna\u010d. Sp\u00edna\u010d by mal ovl\u00e1da\u0165 po\u017eiarny vodi\u010d, nie nulov\u00fd vodi\u010d. Ke\u010f je vyp\u00edna\u010d vypnut\u00fd, svietidlo pripojen\u00e9 k ohniv\u00e9mu vodi\u010du vyd\u00e1va slab\u00e9 svetlo. Rie\u0161en\u00edm je zmeni\u0165 zapojenie tak, aby sp\u00edna\u010d ovl\u00e1dal po\u017eiarny vodi\u010d.<\/p>\n\n\n\n

Niektor\u00e9 svetl\u00e1 LED sa vyr\u00e1baj\u00fa z lacn\u00fdch komponentov, ktor\u00e9 m\u00f4\u017eu by\u0165 problematick\u00e9. V niektor\u00fdch svietidl\u00e1ch sa napr\u00edklad pou\u017e\u00edvaj\u00fa nekvalitn\u00e9 ovl\u00e1da\u010de, ktor\u00e9 m\u00f4\u017eu vyteka\u0165, \u010do sp\u00f4sobuje, \u017ee svetlo blik\u00e1 alebo zost\u00e1va svieti\u0165 aj po vypnut\u00ed. Okrem toho m\u00f4\u017eu \u00fanik svetla vyvola\u0165 substr\u00e1ty s meden\u00fdm pl\u00e1\u0161\u0165om a kapacitn\u00e9 efekty. Mus\u00edte si k\u00fapi\u0165 nov\u00e9 svietidl\u00e1 so zaru\u010denou kvalitou.<\/p>\n\n\n\n

Niektor\u00e9 LED svetl\u00e1 s\u00fa vybaven\u00e9 elektronick\u00fdm sp\u00edna\u010dom s kontrolkou. Aj ke\u010f je vyp\u00edna\u010d vypnut\u00fd, tieto svetl\u00e1 m\u00f4\u017eu zosta\u0165 svieti\u0165, preto\u017ee cez vyp\u00edna\u010d st\u00e1le pretek\u00e1 mal\u00e9 mno\u017estvo pr\u00fadu. V\u00fdmena sp\u00edna\u010da alebo umiestnenie rezistora paralelne s pr\u00edvodn\u00fdmi vodi\u010dmi do svietidla s\u00fa dve mo\u017en\u00e9 rie\u0161enia.<\/p>\n\n\n\n

Ako rie\u0161i\u0165 probl\u00e9m s prehrievan\u00edm LED svetla?<\/strong><\/strong><\/h2>\n\n\n\n

Svetl\u00e1 LED sa m\u00f4\u017eu prehrieva\u0165 z viacer\u00fdch d\u00f4vodov vr\u00e1tane zl\u00e9ho dizajnu, vysok\u00fdch tepl\u00f4t a in\u00fdch faktorov. Tu je nieko\u013eko aspektov, ktor\u00e9 m\u00f4\u017eete zv\u00e1\u017ei\u0165 pri rie\u0161en\u00ed probl\u00e9mu prehrievania LED svetiel:<\/p>\n\n\n\n

Najprv optimalizujte kon\u0161trukciu odvodu tepla. Pri k\u00fape LED svetiel si m\u00f4\u017eete vybra\u0165 v\u00fdrobky s vynikaj\u00facou kon\u0161trukciou odvodu tepla, napr\u00edklad s chladi\u010dmi z hlin\u00edkovej zliatiny a ve\u013ek\u00fdmi otvormi na odvod tepla. Po\u010das in\u0161tal\u00e1cie dodr\u017eiavajte ur\u010dit\u00fa vzdialenos\u0165 medzi svetlom a stenou alebo in\u00fdmi objektmi, aby ste pomohli rozpt\u00fdli\u0165 teplo. Kon\u0161trukcia rozptylu tepla je obzvl\u00e1\u0161\u0165 d\u00f4le\u017eit\u00e1 pri vonkaj\u0161\u00edch LED svetl\u00e1ch (ako s\u00fa LED pouli\u010dn\u00e9 svetl\u00e1).<\/p>\n\n\n\n

\u010ealej kontrolujte teplotu okolia. Pri in\u0161tal\u00e1cii svetiel LED sa sna\u017ete vyhn\u00fa\u0165 ich umiestneniu na priamom slne\u010dnom svetle alebo v hor\u00facich uzavret\u00fdch priestoroch. Ak je teplota pr\u00edli\u0161 vysok\u00e1, sk\u00faste pou\u017ei\u0165 chladiace zariadenia, ako s\u00fa klimatiz\u00e1cie alebo ventil\u00e1tory, aby ste zn\u00ed\u017eili teplotu.<\/p>\n\n\n\n

Okrem toho je \u00fa\u010dinnou strat\u00e9giou na zn\u00ed\u017eenie tvorby tepla pravideln\u00e9 \u010distenie svietidiel. Prach a ne\u010distoty na povrchu svietidla zni\u017euj\u00fa \u00fa\u010dinnos\u0165 odvodu tepla, preto je potrebn\u00e9 svietidlo \u010disti\u0165.<\/p>\n\n\n\n

Ako m\u00f4\u017eem resetova\u0165 LED di\u00f3dy?<\/strong><\/strong><\/h2>\n\n\n\n

Ovl\u00e1da\u010de LED p\u00e1sov maj\u00fa zvy\u010dajne tla\u010didlo resetovania. Po stla\u010den\u00ed a podr\u017ean\u00ed tla\u010didla resetovania na 5 a\u017e 10 sek\u00fand za\u010dn\u00fa LED di\u00f3dy blika\u0165. Po resetovan\u00ed sa LED p\u00e1sik vr\u00e1ti do svojej p\u00f4vodnej farby. \u010eal\u0161ou met\u00f3dou resetovania je odpojenie nap\u00e1jania a po\u010dkanie 10 - 15 sek\u00fand pred op\u00e4tovn\u00fdm pripojen\u00edm.<\/p>\n\n\n\n

V pr\u00edpade inteligentn\u00fdch \u017eiaroviek LED ich m\u00f4\u017eete resetova\u0165 v pr\u00edslu\u0161nej aplik\u00e1cii. Ke\u010f\u017ee r\u00f4zne zna\u010dky \u017eiaroviek m\u00f4\u017eu ma\u0165 r\u00f4zne met\u00f3dy resetovania, podrobnosti n\u00e1jdete v n\u00e1vode na pou\u017eitie.<\/p>\n\n\n\n

\"\"<\/figure>\n\n\n\n

\u010casto kladen\u00e9 ot\u00e1zky<\/strong><\/strong><\/p>\n\n\n\n

Ot\u00e1zka: Ako vyrie\u0161i\u0165 probl\u00e9my so svetlami LED?<\/strong><\/p>\n\n\n\n

A: <\/strong>Ak svetl\u00e1 LED nefunguj\u00fa, najprv skontrolujte pripojenie k nap\u00e1janiu. Skontrolujte, \u010di \u017eiarovka nezmenila farbu a \u010di nie je fyzicky po\u0161koden\u00e1. Ak chcete pokra\u010dova\u0165 v rie\u0161en\u00ed probl\u00e9mov, m\u00f4\u017eete \u017eiarovku otestova\u0165 pripojen\u00edm k in\u00e9mu svietidlu a potom zak\u00fapi\u0165 nov\u00fa \u017eiarovku, aby ste potvrdili probl\u00e9m.<\/p>\n\n\n\n

Ot\u00e1zka: Ako zist\u00edm, \u010di s\u00fa moje LED di\u00f3dy vyp\u00e1len\u00e9?<\/strong><\/p>\n\n\n\n

A: <\/strong>Ke\u010f LED \u017eiarovka zlyh\u00e1, bu\u010f \u00faplne prestane svieti\u0165, alebo sa zd\u00e1, \u017ee preru\u0161ovane blik\u00e1, a na jej povrchu s\u00fa vidite\u013en\u00e9 sp\u00e1len\u00e9 miesta. Pomocou multimetra m\u00f4\u017eete tie\u017e overi\u0165, \u010di LED di\u00f3da udr\u017eiava trval\u00fd pr\u00fad. Ak \u017eiarovka pri t\u00fdchto kontrol\u00e1ch zlyh\u00e1, pravdepodobne sa prep\u00e1lila.<\/p>\n\n\n\n

Ot\u00e1zka: Pre\u010do sa svetl\u00e1 LED neust\u00e1le kazia?<\/strong><\/p>\n\n\n\n

A: <\/strong>Nedostato\u010dn\u00e1 tepeln\u00e1 kontrola LED \u017eiaroviek m\u00f4\u017ee vies\u0165 k prehriatiu syst\u00e9mu a zr\u00fdchlen\u00e9mu starnutiu v\u00fdrobku.LED \u017eiarovky m\u00f4\u017eu zlyha\u0165 v d\u00f4sledku abnorm\u00e1lnych nap\u00e4\u0165ov\u00fdch podmienok, probl\u00e9mov s in\u0161tal\u00e1ciou a v\u00fdrobn\u00fdch ch\u00fdb.<\/p>\n\n\n\n

Z\u00e1ver<\/strong><\/strong><\/h2>\n\n\n\n

Vo vy\u0161\u0161ie uvedenom \u010dl\u00e1nku sme sa zaoberali be\u017en\u00fdmi poruchami LED svetiel vr\u00e1tane probl\u00e9mov s nerozsvieten\u00edm, blikan\u00edm, n\u00e1sledn\u00fdm svieten\u00edm a prehrievan\u00edm. Spomenuli sme aj nieko\u013eko u\u017eito\u010dn\u00fdch tipov na samostatn\u00e9 rie\u0161enie probl\u00e9mov s LED svetlami. Existuj\u00fa v\u0161ak ur\u010dit\u00e9 oper\u00e1cie, ktor\u00e9 nedok\u00e1\u017eete vyrie\u0161i\u0165 a st\u00e1le je potrebn\u00e9 vyh\u013eada\u0165 odborn\u00fa pomoc.<\/p>\n\n\n\n

<\/div><\/div>\n\n\n\n

S\u00favisiace produkty<\/h2>\n\n\n\n
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\"\"<\/a><\/figure><\/div>\n<\/div>\n\n\n\n
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\"\"<\/a><\/figure><\/div>\n<\/div>\n\n\n\n
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\"\"<\/a><\/figure><\/div>\n<\/div>\n<\/div><\/div>\n\n\n\n
\n
\n

Svetl\u00e1 LED odoln\u00e9 proti v\u00fdbuchu<\/a><\/h4>\n<\/div>\n\n\n\n
\n

Trojit\u00e9 LED osvetlenie<\/a><\/h4>\n<\/div>\n\n\n\n
\n

Svetl\u00e1 \u010derpac\u00edch stan\u00edc odoln\u00e9 proti v\u00fdbuchu<\/a><\/h4>\n<\/div>\n<\/div><\/div>\n\n\n\n
\n
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\"\"<\/a><\/figure><\/div>\n<\/div>\n\n\n\n
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\"\"<\/a><\/figure><\/div>\n<\/div>\n\n\n\n
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\"\"<\/a><\/figure><\/div>\n<\/div>\n<\/div><\/div>\n\n\n\n
\n
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LED svetl\u00e1 na zaplavenie<\/a><\/h4>\n<\/div>\n\n\n\n
\n

LED Tri-Proof Tube Lights<\/a><\/h4>\n<\/div>\n\n\n\n
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Pouli\u010dn\u00e9 svetl\u00e1 LED<\/a><\/h4>\n<\/div>\n<\/div><\/div>\n\n\n\n
<\/div><\/div>\n\n\n\n

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