{"id":15318,"date":"2026-01-26T09:31:42","date_gmt":"2026-01-26T08:31:42","guid":{"rendered":"https:\/\/eoc.cat\/?p=15318"},"modified":"2026-01-26T09:31:42","modified_gmt":"2026-01-26T08:31:42","slug":"control-de-llums-per-telerruptor","status":"publish","type":"post","link":"https:\/\/eoc.cat\/ca\/control-de-llums-per-telerruptor\/","title":{"rendered":"Control de llums per telerruptor i polsadors"},"content":{"rendered":"

Controlar la il\u00b7luminaci\u00f3 pot convertir-se en un aut\u00e8ntic desafiament en algunes instal\u00b7lacions. Per\u00f2, per sort, gr\u00e0cies al telerruptor<\/strong>, es pot aconseguir un resultat durador, pr\u00e0ctic i segur.<\/p>\n

Durant aquesta guia t’explicarem en qu\u00e8 consisteixen aquests dispositius, parlarem sobre els diferents components que ha de tenir el circuit i tamb\u00e9 aprofundirem sobre els seus diferents tipus, els seus beneficis i les seves principals aplicacions.<\/p>\n

Aquest tema forma part del temari i les pr\u00e0ctiques de la nostra formaci\u00f3 d’Instal\u00b7lador Electricista<\/a><\/strong>.<\/p>\n

Qu\u00e8 \u00e9s un telerruptor?<\/h2>\n

Al telerruptor tamb\u00e9 se’l coneix com a rel\u00e9 d’impuls<\/strong>, i no \u00e9s m\u00e9s que un dispositiu (electromec\u00e0nic o electr\u00f2nic) que permet mantenir un circuit enc\u00e8s o apagada enviant petits impulsos el\u00e8ctrics<\/strong>.<\/p>\n

Fins aqu\u00ed \u00e9s possible que et preguntis quina \u00e9s la difer\u00e8ncia amb qualsevol interruptor tradicional. I \u00e9s una gran pregunta. A difer\u00e8ncia d’aquests, els telerruptores canvien d’estat per cada impuls que reben. Per contra, els interruptors tradicionals<\/strong> romanen en una posici\u00f3 fixa fins que es canvia manualment.<\/p>\n

Per\u00f2 aix\u00f2 com funciona en la pr\u00e0ctica? Quan tens davant un circuit amb diversos polsadors connectats a un telerruptor, en el moment que qualsevol d’ells es prem es canvia l’estat del circuit. Si un llum estava enc\u00e8s, passar\u00e0 a apagar-se i al rev\u00e9s.<\/p>\n

Quins components ha de tenir la instal\u00b7laci\u00f3?<\/h2>\n

Si vols crear un circuit de llums mitjan\u00e7ant un rel\u00e9 d’impuls<\/strong>, has de comptar amb quatre elements, com a m\u00ednim:<\/p>\n

    \n
  • Rel\u00e9<\/strong>. Aquest \u00e9s el cor del sistema. Pots instal\u00b7lar-ho directament en el quadre el\u00e8ctric o, si el prefereixes, en una caixa de registre.<\/li>\n
  • Polsadors<\/strong>. Com ja hem explicat, en pressionar-los envien un impuls el\u00e8ctric. I tots ells han d’instal\u00b7lar-se en paral\u00b7lel perqu\u00e8 qualsevol actu\u00ef sobretot el sistema.<\/li>\n
  • Punts de llum<\/strong>. Poden ser una o diversos llums que han de ser controlades pel telerruptor.<\/li>\n
  • Conductors el\u00e8ctrics<\/strong>. Un d’ells ha de servir per a alimentar el circuit, i ha de comptar amb fase i neutre, mentre que l’altre s’usa per a enviar el senyal del polsador al rel\u00e9.<\/li>\n<\/ul>\n

    \"instal\u00b7laci\u00f3<\/p>\n

    Quins tipus de telerruptor pots trobar?<\/h2>\n

    En el mercat hi ha disponibles diverses classes de telerruptor, que s’adapten a diferents necessitats i preus:<\/p>\n

      \n
    • Electromec\u00e0nics<\/strong>. S\u00f3n els m\u00e9s comuns, i tenen una construcci\u00f3 molt simple, ja que compten amb una bobina i un mecanisme mec\u00e0nic d’enclavament. Per\u00f2 aix\u00f2 tamb\u00e9 els converteix en l’alternativa m\u00e9s econ\u00f2mica, robusta i f\u00e0cil de reparar.<\/li>\n
    • Electr\u00f2nics<\/strong>. Aquests models s\u00f3n m\u00e9s cars que els anteriors. No obstant aix\u00f2, tenen els seus propis avantatges, ja que ofereixen un consum m\u00e9s redu\u00eft i tamb\u00e9 s\u00f3n m\u00e9s silenciosos.<\/li>\n
    • Amb temporitzador<\/strong>. Incorporen un retard programable que permet apagar de manera autom\u00e0tica la il\u00b7luminaci\u00f3 despr\u00e9s d’un temps determinat. Per aix\u00f2, acostumen a emprar-se en escales i tamb\u00e9 en garatges.<\/li>\n
    • Controlats per bus o dom\u00f2tics<\/strong>. Aquests telerruptores incorporen l’\u00faltima tecnologia per a ser compatibles amb els sistemes de dom\u00f2tica i automatitzaci\u00f3 de la llar, amb est\u00e0ndards com KNX o Zigbee. Aix\u00f2 permet manejar-los des d’una aplicaci\u00f3 o des d’un panell de control.<\/li>\n<\/ul>\n

      Quins s\u00f3n els seus avantatges?<\/h2>\n

      L’\u00fas telerruptor ofereix nombrosos avantatges enfront dels sistemes convencionals de commutaci\u00f3. En primer lloc, cal tenir en compte que s\u00f3n molt m\u00e9s f\u00e0cils de cablejar<\/strong>. A m\u00e9s, no existeix un l\u00edmit en les instal\u00b7lacions, per la qual cosa en la pr\u00e0ctica es poden controlar els sistemes d’il\u00b7luminaci\u00f3 des de m\u00faltiples punts. I com el pas de corrent per aquests dispositius \u00e9s molt baix, la seva durada \u00e9s major<\/strong> que en el cas dels interruptors de tota la vida.<\/p>\n

      La seguretat<\/strong> \u00e9s un altre punt a favor d’aquests rel\u00e9s, ja que com el circuit de comandament \u00e9s independent del de pot\u00e8ncia, \u00e9s molt dif\u00edcil que es produeixi un curtcircuit o un sobreescalfament de la l\u00ednia.<\/p>\n

      On acostumen a fer-se servir?<\/h2>\n

      Encara que \u00e9s possible emprar els telerruptores en qualsevol instal\u00b7laci\u00f3, acostumen a reservar-se per a aquelles en les quals els commutadors poden resultar m\u00e9s complexos o menys eficients.<\/p>\n

      Per exemple, en passadissos llargs on cal apagar i encendre la llum en punts llunyans o en escales. Tamb\u00e9 en les zones comunes d’edificis i en garatges o en espais p\u00fablics, com poden ser hospitals, oficines o hotels.<\/p>\n

      A m\u00e9s, com hem vist en un dels apartats anteriors, s\u00f3n molt \u00fatils a l’hora de domotitzar una casa<\/strong>, ja que molts models s\u00f3n compatibles amb els sistemes centralitzats de control de la il\u00b7luminaci\u00f3.<\/p>\n

      \u00c9s dif\u00edcil la instal\u00b7laci\u00f3 d’un telerruptor?<\/h2>\n

      De la mateixa manera que succeeix amb qualsevol altre mecanisme el\u00e8ctric \u00e9s important que prenguis algunes precaucions durant el seu muntatge. El m\u00e9s important \u00e9s dimensionar adequadament la pot\u00e8ncia total dels llums<\/strong> que han d’il\u00b7luminar-se i la longitud del circuit. Aix\u00ed es pot triar un cable de la secci\u00f3 adequada que serveixi tant per a evitar sobreescalfaments com caigudes de tensi\u00f3 excessives.<\/p>\n

      En el cas que la il\u00b7luminaci\u00f3 hagi de ser LED o compti amb sistemes electr\u00f2nics, \u00e9s recomanable que optis per models espec\u00edfics, ja que aix\u00ed evitar\u00e0s que es produeixin parpellejos o encesos no desitjats per corrents residuals.<\/p>\n

      Com veus, el telerruptor \u00e9s una gran soluci\u00f3 per a gestionar la il\u00b7luminaci\u00f3 des de diversos punts. S\u00f3n f\u00e0cils d’instal\u00b7lar, tenen un baix manteniment i s\u00f3n vers\u00e0tils. El que els converteix en l’opci\u00f3 ideal en moltes situacions.<\/p>\n","protected":false},"excerpt":{"rendered":"

      Controlar la il\u00b7luminaci\u00f3 pot convertir-se en un aut\u00e8ntic desafiament en algunes instal\u00b7lacions. Per\u00f2, per sort, gr\u00e0cies al telerruptor, es pot aconseguir un resultat durador, pr\u00e0ctic i segur. Durant aquesta guia t’explicarem en qu\u00e8 consisteixen aquests dispositius, parlarem sobre els diferents components que ha de tenir el circuit i tamb\u00e9 aprofundirem sobre els seus diferents tipus, […]<\/p>\n","protected":false},"author":7,"featured_media":15321,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_et_pb_use_builder":"","_et_pb_old_content":"","_et_gb_content_width":"","footnotes":""},"categories":[81],"tags":[82],"class_list":["post-15318","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-electricitat-general","tag-electricitat-general"],"yoast_head":"\nControl de llums per telerruptor i polsadors | EOC formaci\u00f3<\/title>\n<meta name=\"description\" content=\"Controlar la il\u00b7luminaci\u00f3 pot ser un aut\u00e8ntic desafiament en algunes instal\u00b7lacions. 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