{"id":289528,"date":"2026-09-24T11:01:50","date_gmt":"2026-09-24T09:01:50","guid":{"rendered":"https:\/\/www.ifun.de\/?p=289528"},"modified":"2026-09-24T11:02:01","modified_gmt":"2026-09-24T09:02:01","slug":"alte-lichtschalter-werden-smart-shelly-2l-gen4-fuer-3890-euro","status":"publish","type":"post","link":"https:\/\/www.ifun.de\/alte-lichtschalter-werden-smart-shelly-2l-gen4-fuer-3890-euro-289528\/","title":{"rendered":"Alte Lichtschalter werden smart: Shelly 2L Gen4 f\u00fcr 38,90 Euro"},"content":{"rendered":"<p>Wer ein \u00e4lteres Haus nachtr\u00e4glich zum Smart Home machen m\u00f6chte, st\u00f6\u00dft bei Unterputzmodulen schnell auf ein Problem: Hinter klassischen Lichtschaltern liegt h\u00e4ufig kein Neutralleiter. Genau f\u00fcr solche Installationen bietet Shelly jetzt den <a href=\"https:\/\/www.shelly.com\/de\/products\/shelly-2l-gen4\">Shelly 2L Gen4<\/a> an. Das kompakte Modul wird hinter einem vorhandenen Doppelschalter montiert und kann zwei Beleuchtungskreise unabh\u00e4ngig voneinander steuern.<\/p>\n<p><a href=\"https:\/\/images.ifun.de\/wp-content\/uploads\/2026\/09\/Shelly-2L-Gen4_main-image_1_1-e1790237763959.jpeg\"><img loading=\"lazy\" decoding=\"async\" title=\"Shelly 2L Gen4 Main Image 1 1\" src=\"https:\/\/images.ifun.de\/wp-content\/uploads\/2026\/09\/Shelly-2L-Gen4_main-image_1_1-e1790237763959-500x354.jpeg\" alt=\"Shelly 2L Gen4 Main Image 1 1\" width=\"500\" height=\"354\" class=\"alignnone size-medium wp-image-289540\" srcset=\"https:\/\/images.ifun.de\/wp-content\/uploads\/2026\/09\/Shelly-2L-Gen4_main-image_1_1-e1790237763959-500x354.jpeg 500w, https:\/\/images.ifun.de\/wp-content\/uploads\/2026\/09\/Shelly-2L-Gen4_main-image_1_1-e1790237763959-700x495.jpeg 700w, https:\/\/images.ifun.de\/wp-content\/uploads\/2026\/09\/Shelly-2L-Gen4_main-image_1_1-e1790237763959-768x544.jpeg 768w, https:\/\/images.ifun.de\/wp-content\/uploads\/2026\/09\/Shelly-2L-Gen4_main-image_1_1-e1790237763959.jpeg 780w\" sizes=\"auto, (max-width: 500px) 100vw, 500px\" \/><\/a><\/p>\n<p>Die vorhandenen Wandschalter bleiben dabei erhalten und funktionieren weiterhin wie gewohnt. Zus\u00e4tzlich lassen sich die angeschlossenen Lampen anschlie\u00dfend per App, Zeitplan, Automation oder \u00fcber ein verbundenes Smart-Home-System schalten. Gerade f\u00fcr Bestandsgeb\u00e4ude l\u00e4sst sich damit vergleichsweise unauff\u00e4llig smarte Technik nachr\u00fcsten, ohne Schalterprogramme auszutauschen oder neue Steuerleitungen zu verlegen.<\/p>\n<h2>Interessant f\u00fcr \u00e4ltere Installationen<\/h2>\n<p>Der wesentliche Unterschied zu vielen klassischen Unterputzrelais ist der Betrieb ohne Neutralleiter. Der Shelly wird \u00fcber die vorhandene Phase eingebunden. F\u00fcr LED-Leuchten und andere geringe Lasten liefert der Hersteller einen Shelly Bypass 1L\/2L direkt mit. Dieser wird parallel zur Last installiert und sorgt daf\u00fcr, dass das Modul auch bei ausgeschaltetem Licht zuverl\u00e4ssig versorgt wird.<\/p>\n<p>Die beiden Ausg\u00e4nge sind unterschiedlich ausgelegt. Am ersten Kanal k\u00f6nnen Verbraucher bis 200 Watt angeschlossen werden, am zweiten sind bis zu 700 Watt m\u00f6glich. Mit Abmessungen von rund 41 \u00d7 42 \u00d7 16 Millimetern soll das Modul weiterhin hinter handels\u00fcbliche Schalter passen. Arbeiten an der 230-Volt-Installation geh\u00f6ren nat\u00fcrlich in fachkundige H\u00e4nde.<\/p>\n<p><a href=\"https:\/\/images.ifun.de\/wp-content\/uploads\/2026\/09\/Shelly-2L-Bypass-Gen4-Install_1.jpg\"><img loading=\"lazy\" decoding=\"async\" title=\"Shelly 2L Bypass Gen4 Install 1\" src=\"https:\/\/images.ifun.de\/wp-content\/uploads\/2026\/09\/Shelly-2L-Bypass-Gen4-Install_1-700x700.jpg\" alt=\"Shelly 2L Bypass Gen4 Install 1\" width=\"700\" height=\"700\" class=\"alignnone size-large wp-image-289539\" srcset=\"https:\/\/images.ifun.de\/wp-content\/uploads\/2026\/09\/Shelly-2L-Bypass-Gen4-Install_1-700x700.jpg 700w, https:\/\/images.ifun.de\/wp-content\/uploads\/2026\/09\/Shelly-2L-Bypass-Gen4-Install_1-500x500.jpg 500w, https:\/\/images.ifun.de\/wp-content\/uploads\/2026\/09\/Shelly-2L-Bypass-Gen4-Install_1-150x150.jpg 150w, https:\/\/images.ifun.de\/wp-content\/uploads\/2026\/09\/Shelly-2L-Bypass-Gen4-Install_1-768x768.jpg 768w, https:\/\/images.ifun.de\/wp-content\/uploads\/2026\/09\/Shelly-2L-Bypass-Gen4-Install_1.jpg 1000w\" sizes=\"auto, (max-width: 700px) 100vw, 700px\" \/><\/a><\/p>\n<h2>Matter bringt die Schalter zu Apple Home<\/h2>\n<p>Wie bei Shellys \u00fcbriger Gen4-Familie ist man bei der Smart-Home-Plattform nicht auf das System des Herstellers festgelegt. Der 2L Gen4 unterst\u00fctzt WLAN, Bluetooth und Zigbee sowie Matter over Wi-Fi. Damit k\u00f6nnen die beiden Kan\u00e4le auch direkt in Apple Home eingebunden und beispielsweise \u00fcber Siri oder Automationen gesteuert werden.<\/p>\n<p><a href=\"https:\/\/www.ifun.de\/shelly-bietet-neuen-dimmschalter-mit-matter-unterstuetzung-an-269249\/\">Shellys Gen4-Dimmer haben wir bereits Ende vergangenen Jahres vorgestellt.<\/a> Daneben unterst\u00fctzt das neue Modul lokale Zeitpl\u00e4ne und Szenen sowie umfangreichere Integrationen per MQTT, WebSockets oder eigenen Skripten. Zus\u00e4tzlich kann es als WLAN-Reichweitenverst\u00e4rker und Bluetooth-Gateway f\u00fcr weitere Shelly-Ger\u00e4te dienen.<\/p>\n<p><video autoplay loop playsinline muted poster=\"\" preload=\"auto\" controls=\"controls\" width=\"100%\" ><source src=\"https:\/\/www.shelly.com\/cdn\/shop\/videos\/c\/vp\/8ffe82b9800a4bd29ecfdd0d60367baf\/8ffe82b9800a4bd29ecfdd0d60367baf.HD-1080p-2.5Mbps-95074125.mp4\" \/><\/video><\/p>\n<p>Der Shelly 2L Gen4 ist bereits erh\u00e4ltlich und kostet <a href=\"https:\/\/www.shelly.com\/de\/products\/shelly-2l-gen4\">direkt beim Hersteller 38,90 Euro<\/a>. Damit bietet sich das kleine Modul vor allem f\u00fcr Nutzer an, die eine bestehende Elektroinstallation Schritt f\u00fcr Schritt smart machen wollen, ohne dabei auf die vertrauten Lichtschalter zu verzichten.<\/p>\n<p >Keine Produkte gefunden.<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/vg05.met.vgwort.de\/na\/ee3270c5001149a4a5fa156fa8b19cb0\" width=\"1\" height=\"1\" no-lazy class=\"tracking\" loading=\"eager\"><\/p>\n","protected":false},"excerpt":{"rendered":"<a href=\"https:\/\/www.ifun.de\/alte-lichtschalter-werden-smart-shelly-2l-gen4-fuer-3890-euro-289528\/\"><img width=\"150\" height=\"150\" src=\"https:\/\/images.ifun.de\/wp-content\/uploads\/2026\/09\/Shelly-2L-Gen-4-Mockup-Feature-150x150.png\" class=\"alignright tfe wp-post-image\" alt=\"Shelly 2L Gen 4 Mockup Feature\" decoding=\"async\" loading=\"lazy\" \/><\/a><p>Wer ein \u00e4lteres Haus nachtr\u00e4glich zum Smart Home machen m\u00f6chte, st\u00f6\u00dft bei Unterputzmodulen schnell auf ein Problem: Hinter klassischen Lichtschaltern liegt h\u00e4ufig kein Neutralleiter. Genau f\u00fcr solche Installationen bietet Shelly jetzt den Shelly 2L Gen4 an. Das kompakte Modul wird hinter einem vorhandenen Doppelschalter montiert und kann zwei Beleuchtungskreise unabh\u00e4ngig voneinander steuern. Die vorhandenen Wandschalter [&hellip;]<\/p>\n","protected":false},"author":30,"featured_media":289542,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[5386,4594,2494,1572],"class_list":["post-289528","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-news","tag-matter","tag-shelly","tag-smart-home","tag-smarthome"],"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO Pro 5.0.2 - aioseo.com -->\n\t<meta name=\"description\" content=\"Der Shelly 2L Gen4 macht zwei vorhandene Lichtkreise smart und ben\u00f6tigt keinen Neutralleiter. 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