{"id":17149,"date":"2026-10-28T12:14:40","date_gmt":"2026-10-28T11:14:40","guid":{"rendered":"https:\/\/ventsystems.de\/lexikon\/mechanischer-fensteroeffner\/"},"modified":"2026-10-28T12:14:40","modified_gmt":"2026-10-28T11:14:40","slug":"manual-window-opener","status":"publish","type":"page","link":"https:\/\/ventsystems.de\/en\/lexikon\/mechanischer-fensteroeffner\/","title":{"rendered":"Mechanical window opener"},"content":{"rendered":"<p class=\"wp-block-paragraph\">A manual window opener works like a chain actuator but is moved by hand. A handwheel or crank pushes the chain out and opens the sash.<\/p>\n\n\n<h2 class=\"wp-block-heading\">When is it the right choice?<\/h2>\n\n\n<p class=\"wp-block-paragraph\">When there is no power connection, ventilation is only occasional or a low-cost solution for transoms is needed.<\/p>\n\n\n<ul class=\"wp-block-list\"><li>No electrical installation needed<\/li><li>Can later be upgraded to an electric actuator<\/li><li>Examples: VS-MKA, VS-MKA2<\/li><\/ul>\n\n\n<h2 class=\"wp-block-heading\">Matching products<\/h2>\n\n\n<ul class=\"wp-block-list\"><li><a href=\"https:\/\/ventsystems.de\/en\/product\/vs-mka\/\">VS-MKA mechanical chain drive<\/a><\/li><li><a href=\"https:\/\/ventsystems.de\/en\/product\/vs-mka2\/\">VS-MKA2 mechanical chain actuator<\/a><\/li><\/ul>","protected":false},"excerpt":{"rendered":"<p>Ein mechanischer Fenster\u00f6ffner funktioniert wie ein Kettenantrieb, wird aber von Hand bewegt. Ein Handrad oder eine Kurbel schiebt die Kette aus und \u00f6ffnet so den Fl\u00fcgel. Wann ist er die richtige Wahl? Wenn kein Stromanschluss vorhanden ist, nur selten gel\u00fcftet wird oder eine g\u00fcnstige L\u00f6sung f\u00fcr Oberlichter gesucht ist. Keine Elektroinstallation n\u00f6tig Sp\u00e4ter auf elektrischen [&hellip;]<\/p>\n","protected":false},"author":9,"featured_media":0,"parent":16230,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"_acf_changed":false,"footnotes":""},"class_list":["post-17149","page","type-page","status-publish","hentry"],"acf":[],"_links":{"self":[{"href":"https:\/\/ventsystems.de\/en\/wp-json\/wp\/v2\/pages\/17149","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/ventsystems.de\/en\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/ventsystems.de\/en\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/ventsystems.de\/en\/wp-json\/wp\/v2\/users\/9"}],"replies":[{"embeddable":true,"href":"https:\/\/ventsystems.de\/en\/wp-json\/wp\/v2\/comments?post=17149"}],"version-history":[{"count":0,"href":"https:\/\/ventsystems.de\/en\/wp-json\/wp\/v2\/pages\/17149\/revisions"}],"up":[{"embeddable":true,"href":"https:\/\/ventsystems.de\/en\/wp-json\/wp\/v2\/pages\/16230"}],"wp:attachment":[{"href":"https:\/\/ventsystems.de\/en\/wp-json\/wp\/v2\/media?parent=17149"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}