{"id":4074,"date":"2026-10-15T04:36:41","date_gmt":"2026-10-15T03:36:41","guid":{"rendered":"https:\/\/wpcalc.com\/tr\/muhendislik\/devre-kesici-hesaplama\/"},"modified":"2026-10-15T04:36:41","modified_gmt":"2026-10-15T03:36:41","slug":"devre-kesici-hesaplama","status":"publish","type":"post","link":"https:\/\/wpcalc.com\/tr\/muhendislik\/devre-kesici-hesaplama\/","title":{"rendered":"Devre Kesici De\u011feri Hesaplama"},"content":{"rendered":"<section class=\"not-prose calculator-box\" aria-labelledby=\"calculator-title\"><div class=\"flex items-baseline sm:items-center justify-between gap-2 sm:gap-3\"><div class=\"flex flex-col sm:flex-row sm:items-center gap-2\"><span class=\"icon icon-calculator text-primary-700! text-base! dark:text-primary-300!\" aria-hidden=\"true\"><\/span><h2 id=\"calculator-title\" class=\"text-lg font-display font-bold\">Bilinen y\u00fck i\u00e7in devre kesici se\u00e7imi<\/h2><\/div><div class=\"calcdash-favorite group\">\n  <button type=\"button\" class=\"favorite\" id=\"favorite\" data-favorite-id=\"4074\" data-favorite-title=\"Devre Kesici De\u011feri\" data-favorite-url=\"https:\/\/wpcalc.com\/tr\/muhendislik\/devre-kesici-hesaplama\/\" data-favorite-excerpt=\"Herhangi bir y\u00fck i\u00e7in do\u011fru devre kesici de\u011ferini bulun. Y\u00fck g\u00fcc\u00fcn\u00fc (veya ak\u0131m\u0131n\u0131), gerilimi, faz yap\u0131s\u0131n\u0131 ve g\u00fc\u00e7 fakt\u00f6r\u00fcn\u00fc girin; hesaplay\u0131c\u0131 5 s\u00fcrekli y\u00fck kural\u0131n\u0131 uygular ve sonucu en yak\u0131n standart NEC kesici de\u011ferine yukar\u0131 yuvarlar.\" aria-label=\"Favorilere ekle\" data-favorite-icon=\"icon icon-electrical\">\n    <span class=\"icon icon-shape-star-empty\" aria-hidden=\"true\"><\/span>\n  <\/button>\n  <div class=\"calcdash-favorite__tip\" aria-hidden=\"true\">\n   <span class=\"favorite-tooltip\" id=\"favorite-tooltip\"><\/span>\n  <\/div>\n  <span class=\"sr-only\" role=\"status\" id=\"favorite-status\"><\/span>\n<\/div><\/div><form action=\"https:\/\/wpcalc.com\/tr\/muhendislik\/devre-kesici-hesaplama\/\" method=\"POST\" class=\"calculator\" id=\"calculator-4074\" data-post=\"4074\"><fieldset class=\"fieldset-input is-2\"><legend class=\"sr-only\">Giri\u015f alanlar\u0131<\/legend><div class=\"field is-single\" id=\"input-1\"><label for=\"field-1\">Bilinen b\u00fcy\u00fckl\u00fck<\/label><div class=\"grid grid-cols-1\"><select id=\"field-1\" name=\"bilinen_byklk\"><option value=\"power\" selected>Y\u00fck g\u00fcc\u00fc (W \/ kW)<\/option><option value=\"current\">Y\u00fck ak\u0131m\u0131 (A)<\/option><\/select><svg class=\"pointer-events-none col-start-1 row-start-1 mr-2 size-5 self-center justify-self-end text-gray-500 sm:size-4\" viewBox=\"0 0 16 16\" fill=\"currentColor\" aria-hidden=\"true\" data-slot=\"icon\">\n              <path fill-rule=\"evenodd\" d=\"M4.22 6.22a.75.75 0 0 1 1.06 0L8 8.94l2.72-2.72a.75.75 0 1 1 1.06 1.06l-3.25 3.25a.75.75 0 0 1-1.06 0L4.22 7.28a.75.75 0 0 1 0-1.06Z\" clip-rule=\"evenodd\" \/>\n            <\/svg><\/div><\/div><div class=\"field has-term\" id=\"input-2\"><label for=\"field-2\">Y\u00fck g\u00fcc\u00fc (P)<\/label><div class=\"term\">P<\/div>  <div class=\"absolute bottom-0 left-16 top-8 w-2 h-0.5 bg-blue-500\"><\/div><div class=\"field-group\"><input type=\"text\" name=\"yk_gc_p\" id=\"field-2\" aria-describedby=\"calc-info-2\" data-number inputmode=\"decimal\" autocomplete=\"off\" spellcheck=\"false\" min=\"0.1\" value=\"7.2\"\/><div class=\"grid grid-cols-1\"><select id=\"field-3\" name=\"birim\" aria-label=\"Birim\"><option value=\"W\">W<\/option><option value=\"kW\" selected>kW<\/option><\/select><svg class=\"pointer-events-none col-start-1 row-start-1 mr-2 size-5 self-center justify-self-end text-gray-500 sm:size-4\" viewBox=\"0 0 16 16\" fill=\"currentColor\" aria-hidden=\"true\" data-slot=\"icon\">\n              <path fill-rule=\"evenodd\" d=\"M4.22 6.22a.75.75 0 0 1 1.06 0L8 8.94l2.72-2.72a.75.75 0 1 1 1.06 1.06l-3.25 3.25a.75.75 0 0 1-1.06 0L4.22 7.28a.75.75 0 0 1 0-1.06Z\" clip-rule=\"evenodd\" \/>\n            <\/svg><\/div><\/div><small id=\"calc-info-2\">Devrenin toplam ba\u011fl\u0131 y\u00fck\u00fc<\/small><\/div><div class=\"field has-term\" id=\"input-3\"><label for=\"field-4\">Besleme gerilimi (V)<\/label><div class=\"term\">V<\/div>  <div class=\"absolute bottom-0 left-16 top-8 w-2 h-0.5 bg-blue-500\"><\/div><input type=\"text\" name=\"besleme_gerilimi_v\" id=\"field-4\" aria-describedby=\"calc-unit-4 calc-info-4\" data-number inputmode=\"decimal\" autocomplete=\"off\" spellcheck=\"false\" min=\"1\" value=\"240\"\/><div class=\"unit\" id=\"calc-unit-4\">V<\/div><small id=\"calc-info-4\">\u00dc\u00e7 fazl\u0131 beslemede fazlar aras\u0131, tek fazl\u0131 beslemede faz\u2013n\u00f6tr gerilimi<\/small><\/div><div class=\"field\" id=\"input-4\"><label for=\"field-5\">Faz yap\u0131land\u0131rmas\u0131<\/label><div class=\"grid grid-cols-1\"><select id=\"field-5\" name=\"faz_yaplandrmas\"><option value=\"single\" selected>Single-phase<\/option><option value=\"three\">\u00dc\u00e7 fazl\u0131<\/option><\/select><svg class=\"pointer-events-none col-start-1 row-start-1 mr-2 size-5 self-center justify-self-end text-gray-500 sm:size-4\" viewBox=\"0 0 16 16\" fill=\"currentColor\" aria-hidden=\"true\" data-slot=\"icon\">\n              <path fill-rule=\"evenodd\" d=\"M4.22 6.22a.75.75 0 0 1 1.06 0L8 8.94l2.72-2.72a.75.75 0 1 1 1.06 1.06l-3.25 3.25a.75.75 0 0 1-1.06 0L4.22 7.28a.75.75 0 0 1 0-1.06Z\" clip-rule=\"evenodd\" \/>\n            <\/svg><\/div><\/div><div class=\"field has-term\" id=\"input-5\"><label for=\"field-6\">G\u00fc\u00e7 fakt\u00f6r\u00fc (PF)<\/label><div class=\"term\">PF<\/div>  <div class=\"absolute bottom-0 left-16 top-8 w-2 h-0.5 bg-blue-500\"><\/div><input type=\"text\" name=\"g_faktr_pf\" id=\"field-6\" aria-describedby=\"calc-info-6\" data-number inputmode=\"decimal\" autocomplete=\"off\" spellcheck=\"false\" min=\"0.1\" max=\"1\" value=\"1\"\/><small id=\"calc-info-6\">Ger\u00e7ek de\u011fer bilinmiyorsa diren\u00e7li (omik) y\u00fckler i\u00e7in 1.0 girin<\/small><\/div><div class=\"field has-term\" id=\"input-6\" hidden><label for=\"field-7\">Y\u00fck ak\u0131m\u0131 (I)<\/label><div class=\"term\">I<\/div>  <div class=\"absolute bottom-0 left-16 top-8 w-2 h-0.5 bg-blue-500\"><\/div><input type=\"text\" name=\"yk_akm_i\" id=\"field-7\" aria-describedby=\"calc-unit-7 calc-info-7\" data-number inputmode=\"decimal\" autocomplete=\"off\" spellcheck=\"false\" min=\"0.01\" value=\"30\"\/><div class=\"unit\" id=\"calc-unit-7\">A<\/div><small id=\"calc-info-7\">Ekipman\u0131n \u00e7ekti\u011fi tam y\u00fck ak\u0131m\u0131<\/small><\/div><div class=\"field is-checkbox is-single\" id=\"input-7\"><input type=\"checkbox\" id=\"field-8\" value=\"1\" checked=\"checked\"\/><label for=\"field-8\">S\u00fcrekli y\u00fck \u2014 %125 \u00fczerinden se\u00e7im<\/label><\/div><\/fieldset><div class=\"buttons\"><button type=\"submit\" data-text=\"Yeniden hesapla\" id=\"calculate-button\" data-post=\"4074\">Hesapla<\/button><button type=\"reset\">S\u0131f\u0131rla<\/button><\/div><div class=\"field is-checkbox hidden!\" id=\"field-auto-calc\"><input type=\"checkbox\" id=\"auto-calc\"><label for=\"auto-calc\">Otomatik hesapla<\/label><small>Etkinle\u015ftirilirse, herhangi bir de\u011feri de\u011fi\u015ftirdi\u011finizde sonu\u00e7 otomatik olarak g\u00fcncellenir.<\/small><\/div><div class=\"fieldset-result is-hidden\" aria-labelledby=\"result-title\" aria-live=\"polite\" role=\"region\"> <h3 class=\"result-title bg-gradient-to-r from-primary-50 to-gray-50 dark:from-primary-900 dark:to-gray-800\" id=\"result-title\"><span class=\"icon icon-s-pulse\" aria-hidden=\"true\"><\/span> Devre kesici se\u00e7im sonu\u00e7lar\u0131<\/h3><div class=\"result-box\"><div class=\"field-result\" id=\"output-1\"><span class=\"field-title\"><span>Hesaplanan y\u00fck ak\u0131m\u0131<\/span><span class=\"result-term\">I<\/span><\/span><span class=\"field-value\" id=\"result-1\" data-unit=\"A\"><\/span><button type=\"button\" class=\"copy-result\" data-tooltip=\"Sonucu kopyala\" aria-label=\"Sonucu kopyala\"><span class=\"copy-icon icon icon-document-copy\" aria-hidden=\"true\"><\/span><\/button><\/div><div class=\"field-result\" id=\"output-2\"><span class=\"field-title\"><span>En d\u00fc\u015f\u00fck kesici anma de\u011feri<\/span><\/span><span class=\"field-value\" id=\"result-2\" data-unit=\"A\"><\/span><button type=\"button\" class=\"copy-result\" data-tooltip=\"Sonucu kopyala\" aria-label=\"Sonucu kopyala\"><span class=\"copy-icon icon icon-document-copy\" aria-hidden=\"true\"><\/span><\/button><\/div><div class=\"field-result is-column\" id=\"output-3\"><span class=\"field-title\"><span>Hesap ayr\u0131nt\u0131lar\u0131<\/span><\/span><span class=\"field-value\" id=\"result-3\"><\/span><button type=\"button\" class=\"copy-result\" data-tooltip=\"Sonucu kopyala\" aria-label=\"Sonucu kopyala\"><span class=\"copy-icon icon icon-document-copy\" aria-hidden=\"true\"><\/span><\/button><\/div><\/div><div class=\"result-actions\"><button type=\"button\" class=\"copy-link\"><svg viewBox=\"0 0 20 20\" fill=\"currentColor\" aria-hidden=\"true\"><path d=\"M12.232 4.232a2.5 2.5 0 0 1 3.536 3.536l-1.225 1.224a.75.75 0 0 0 1.061 1.06l1.224-1.224a4 4 0 0 0-5.656-5.656l-3 3a4 4 0 0 0 .225 5.865.75.75 0 0 0 .977-1.138 2.5 2.5 0 0 1-.142-3.667l3-3Z\"\/><path d=\"M11.603 7.963a.75.75 0 0 0-.977 1.138 2.5 2.5 0 0 1 .142 3.667l-3 3a2.5 2.5 0 0 1-3.536-3.536l1.225-1.224a.75.75 0 0 0-1.061-1.06l-1.224 1.224a4 4 0 1 0 5.656 5.656l3-3a4 4 0 0 0-.225-5.865Z\"\/><\/svg><span class=\"copy-link__text\">Bu hesaplaman\u0131n ba\u011flant\u0131s\u0131n\u0131 kopyala<\/span><\/button><span class=\"sr-only\" role=\"status\" id=\"copy-link-status\"><\/span><\/div><\/div><a href=\"#respond\" class=\"hidden transition-opacity duration-300 opacity-0 w-50 text-sm justify-center items-center gap-2 px-4 py-2 rounded bg-gray-200 text-gray-700 hover:bg-gray-300\" id=\"leave-comment\"><span class=\"icon icon-comments\" aria-hidden=\"true\"><\/span>Yorum b\u0131rak<\/a><\/form><\/section><section id=\"calc-reactions\" class=\"not-prose hidden my-12 bg-gradient-to-r from-primary-50 to-gray-50 border border-indigo-100 rounded-xl px-6 py-4 shadow-sm\" data-post=\"4074\" aria-live=\"polite\" aria-labelledby=\"calc-reactions-title\"><p id=\"calc-reactions-title\" class=\"text-sm text-gray-500 text-center mb-2\">Bu sonu\u00e7 hakk\u0131nda ne d\u00fc\u015f\u00fcn\u00fcyorsunuz?<\/p><div role=\"group\" aria-labelledby=\"calc-reactions-title\" class=\"grid grid-cols-3 sm:flex sm:flex-row sm:justify-around gap-4 sm:items-center sm:flex-wrap\"><button type=\"button\" aria-pressed=\"false\" class=\"reaction-btn flex flex-col items-center gap-1 text-sm text-gray-700 hover:text-primary-600 cursor-pointer transition-transform hover:scale-105\" data-reaction=\"like\"><span class=\"reaction-count\" data-reaction-count=\"like\">0<\/span><span class=\"reaction text-3xl\" aria-hidden=\"true\">\ud83d\ude00 <\/span><span class=\"reaction-description font-medium\">Be\u011fendim <\/span><\/button><button type=\"button\" aria-pressed=\"false\" class=\"reaction-btn flex flex-col items-center gap-1 text-sm text-gray-700 hover:text-primary-600 cursor-pointer transition-transform hover:scale-105\" data-reaction=\"helpful\"><span class=\"reaction-count\" data-reaction-count=\"helpful\">0<\/span><span class=\"reaction text-3xl\" aria-hidden=\"true\">\ud83d\udca1 <\/span><span class=\"reaction-description font-medium\">Faydal\u0131 <\/span><\/button><button type=\"button\" aria-pressed=\"false\" class=\"reaction-btn flex flex-col items-center gap-1 text-sm text-gray-700 hover:text-primary-600 cursor-pointer transition-transform hover:scale-105\" data-reaction=\"confused\"><span class=\"reaction-count\" data-reaction-count=\"confused\">0<\/span><span class=\"reaction text-3xl\" aria-hidden=\"true\">\ud83d\ude15 <\/span><span class=\"reaction-description font-medium\">Kafam kar\u0131\u015ft\u0131 <\/span><\/button><button type=\"button\" aria-pressed=\"false\" class=\"reaction-btn flex flex-col items-center gap-1 text-sm text-gray-700 hover:text-primary-600 cursor-pointer transition-transform hover:scale-105\" data-reaction=\"disappointed\"><span class=\"reaction-count\" data-reaction-count=\"disappointed\">0<\/span><span class=\"reaction text-3xl\" aria-hidden=\"true\">\ud83d\ude1e <\/span><span class=\"reaction-description font-medium\">Hayal k\u0131r\u0131kl\u0131\u011f\u0131 <\/span><\/button><button type=\"button\" aria-pressed=\"false\" class=\"reaction-btn flex flex-col items-center gap-1 text-sm text-gray-700 hover:text-primary-600 cursor-pointer transition-transform hover:scale-105\" data-reaction=\"inaccurate\"><span class=\"reaction-count\" data-reaction-count=\"inaccurate\">0<\/span><span class=\"reaction text-3xl\" aria-hidden=\"true\">\u274c <\/span><span class=\"reaction-description font-medium\">Hatal\u0131 <\/span><\/button><\/div><div id=\"reaction-message\" class=\"hidden mt-8 rounded-md border border-primary-100 bg-white\/50 backdrop-blur-sm px-4 py-2 text-sm text-center shadow-sm\"><\/div><\/section><div class=\"calcdash-ad not-prose calcdash-ad--calc_result calcdash-ad--in-article\"><ins class=\"adsbygoogle\" style=\"display:block\" data-ad-client=\"ca-pub-1721569815777345\" data-ad-slot=\"6317458308\" data-ad-layout=\"in-article\" data-ad-format=\"fluid\"><\/ins><script>(adsbygoogle = window.adsbygoogle || []).push({});<\/script><\/div>\n<style id=\"wpcoderpro-inline-1\">.formula-box {\r\n\tborder-bottom: none !important;\r\n}<\/style><section class=\"formula-box\" aria-labelledby=\"formula-title\">\r\n\t<div id=\"formula-title\" class=\"not-prose font-display mb-4\"><span class=\"icon icon-formula\" aria-hidden=\"true\"><\/span><h2>Devre Kesici De\u011feri<\/h2><\/div>\r\n\t<figure class=\"not-prose formula\">\r\n\t\t<figcaption class=\"formula-title\">Form\u00fcl<\/figcaption>\r\n\t\t<div class=\"text-base text-gray-800\" id=\"formula\">\n\\[ I_{tek} = \\frac{P}{V \\cdot PF} \\qquad I_{\u00fc\u00e7} = \\frac{P}{\\sqrt{3} \\cdot V \\cdot PF} \\]\n\\[ I_{gerekli} = 1.25 \\cdot I \\quad (\\text{s\u00fcrekli y\u00fck}), \\qquad I_{gerekli} = I \\quad (\\text{s\u00fcrekli olmayan y\u00fck}) \\]\n<\/div>\r\n\t<\/figure>\r\n\t<\/p>\n<p><strong>Buradaki g\u00f6sterimler:<\/strong><\/p>\n<ul>\n<li>\\(P\\) \u2014 y\u00fck g\u00fcc\u00fc, watt (W) cinsinden<\/li>\n<li>\\(V\\) \u2014 besleme gerilimi, volt (V) cinsinden: tek fazda faz-n\u00f6tr, \u00fc\u00e7 fazda faz-faz gerilimi<\/li>\n<li>\\(PF\\) \u2014 y\u00fck\u00fcn g\u00fc\u00e7 fakt\u00f6r\u00fc (0,1\u20131,0)<\/li>\n<li>\\(I\\) \u2014 tam y\u00fck ak\u0131m\u0131, amper (A) cinsinden<\/li>\n<\/ul>\n<p>\u0130lk form\u00fcl y\u00fck g\u00fcc\u00fcn\u00fc kesicinin ta\u015f\u0131mas\u0131 gereken ak\u0131ma \u00e7evirir; ikincisi ise NEC 210.20(A) kural\u0131n\u0131 uygular: azami ak\u0131m\u0131nda 3 saat veya daha uzun \u00e7al\u0131\u015fan s\u00fcrekli bir y\u00fck, kesici de\u011ferinin %80'ini a\u015famaz \u2014 bu da kesiciyi y\u00fck ak\u0131m\u0131n\u0131n %125'i olarak boyutland\u0131rmakla ayn\u0131 \u015feydir. Bulunan gerekli de\u011fer daha sonra NEC 240.6(A)'daki standart nominal boylara yukar\u0131 yuvarlan\u0131r: 15, 20, 25, 30, 35, 40, 45, 50, 60, 70, 80, 90, 100, 110, 125, 150, 175, 200, 225, 250, 300, 350, 400, 450, 500, 600, 700, 800, 1000, 1200, 1600, 2000 A.<\/p>\n<p>\r\n<\/section>\n<style id=\"wpcoderpro-inline-2\">.calculation-box {\r\n\tborder-bottom: none !important;\r\n}<\/style><section id=\"calculation\" class=\"calculation-box\" aria-labelledby=\"calculation-title\">\r\n\t<div id=\"calculation-title\" class=\"not-prose font-display\"><span class=\"icon icon-unordered-list\" aria-hidden=\"true\"><\/span><h2>Devre Kesici De\u011feri \u2013 Hesaplama \u00d6rne\u011fi<\/h2><\/div>\r\n\r\n<\/p>\n<p><strong>\u00d6rnek:<\/strong> 1,0 g\u00fc\u00e7 fakt\u00f6r\u00fcyle 240 V beslemeye ba\u011flanan 7,2 kW'l\u0131k s\u00fcrekli tek fazl\u0131 y\u00fck (hesaplay\u0131c\u0131n\u0131n varsay\u0131lan de\u011ferleri).<\/p>\n<p>\\[ I = \\frac{P}{V \\cdot PF} = \\frac{7200\\ \\. W}{240\\ \\. V \\cdot 1.0} = 30\\ \\. A \\]<\/p>\n<p>\\[ I_{gerekli} = 1.25 \\cdot 30 = 37.5\\ \\. A \\]<\/p>\n<p>37,5 A'dan k\u00fc\u00e7\u00fck olmayan en k\u00fc\u00e7\u00fck standart kesici de\u011feri <strong>40 A<\/strong>'dir.<\/p>\n<p><strong>Sonu\u00e7:<\/strong> hesaplanan y\u00fck ak\u0131m\u0131 = 30 A; asgari nominal kesici de\u011feri = 40 A (g\u00f6r\u00fcn\u00fcr g\u00fc\u00e7 \u2248 7,2 kVA).<\/p>\n<p>\n\r\n<\/section>\n<h2>Devre Kesici De\u011feri Hesaplay\u0131c\u0131s\u0131 Nas\u0131l Kullan\u0131l\u0131r<\/h2>\n<ol>\n<li><strong>Bilinen b\u00fcy\u00fckl\u00fc\u011f\u00fc<\/strong> se\u00e7in: ekipman\u0131n g\u00fcc\u00fcn\u00fc biliyorsan\u0131z \u201cY\u00fck g\u00fcc\u00fc (W \/ kW)\u201d, etikette tam y\u00fck ak\u0131m\u0131 do\u011frudan yaz\u0131yorsa \u201cY\u00fck ak\u0131m\u0131 (A)\u201d se\u00e7ene\u011fini i\u015faretleyin.<\/li>\n<li>G\u00fc\u00e7 se\u00e7iliyse <strong>Y\u00fck G\u00fcc\u00fc (P)<\/strong> de\u011ferini girin ve birimi belirleyin (W veya kW). Ak\u0131m se\u00e7iliyse etikette yazan <strong>Y\u00fck Ak\u0131m\u0131 (I)<\/strong> de\u011ferini amper cinsinden girin.<\/li>\n<li><strong>Besleme Gerilimini (V)<\/strong> girin: tek fazl\u0131 devrede faz-n\u00f6tr gerilimi (\u00f6rn. 120 V veya 230 V), \u00fc\u00e7 fazl\u0131 devrede faz-faz gerilimi (\u00f6rn. 400 V veya 480 V).<\/li>\n<li><strong>Faz Yap\u0131s\u0131n\u0131<\/strong> Tek faz veya \u00dc\u00e7 faz olarak ayarlay\u0131n.<\/li>\n<li><strong>G\u00fc\u00e7 Fakt\u00f6r\u00fcn\u00fc (PF)<\/strong> girin. Is\u0131t\u0131c\u0131lar ve akkor lambalar gibi omik y\u00fckler i\u00e7in 1,0 kullan\u0131n; motorlar, g\u00fc\u00e7 kaynaklar\u0131 ve di\u011fer end\u00fcktif ekipmanda ise biliniyorsa etiket de\u011ferini (genellikle 0,8\u20130,9) kullan\u0131n. G\u00fc\u00e7 fakt\u00f6r\u00fc d\u00fc\u015ft\u00fck\u00e7e ayn\u0131 g\u00fc\u00e7 i\u00e7in gereken ak\u0131m artar; bu y\u00fczden temkinli bir d\u00fc\u015f\u00fck tahmin, 1,0 kullanmaktan daha g\u00fcvenlidir.<\/li>\n<li>Y\u00fck azami ak\u0131m\u0131nda 3 saat veya daha uzun \u00e7al\u0131\u015f\u0131yorsa (EV \u015farj cihazlar\u0131, su \u0131s\u0131t\u0131c\u0131lar\u0131, kompres\u00f6rler) <strong>S\u00fcrekli y\u00fck \u2014 %125 ile boyutland\u0131r<\/strong> onay kutusunu i\u015faretli b\u0131rak\u0131n. \u0130\u015fareti yaln\u0131zca k\u0131sa s\u00fcreli veya aral\u0131kl\u0131 \u00e7al\u0131\u015fan y\u00fcklerde kald\u0131r\u0131n.<\/li>\n<li>Sonu\u00e7lar\u0131 okuyun: <strong>Hesaplanan Y\u00fck Ak\u0131m\u0131<\/strong>, standart NEC serisinden <strong>Asgari Nominal Kesici De\u011feri<\/strong> ve hesaplaman\u0131n her ad\u0131m\u0131n\u0131 g\u00f6steren ayr\u0131nt\u0131l\u0131 d\u00f6k\u00fcm.<\/li>\n<\/ol>\n<h2>Kesici Boyutland\u0131rmas\u0131 Ne Anlama Gelir ve Neden \u00d6nemlidir<\/h2>\n<p>Devre kesici, bir devrenin kablolar\u0131n\u0131 ve ekipman\u0131n\u0131 a\u015f\u0131r\u0131 ak\u0131mdan korur. Ak\u0131m, iletkenlerin g\u00fcvenle ta\u015f\u0131yabilece\u011finin \u00fczerine \u00e7\u0131karsa yal\u0131t\u0131m a\u015f\u0131r\u0131 \u0131s\u0131n\u0131r \u2014 bu da elektrik kaynakl\u0131 yang\u0131nlar\u0131n ba\u015fl\u0131ca nedenlerinden biridir. Kesici bu y\u00fczden kablo zarar g\u00f6rmeden atacak kadar k\u00fc\u00e7\u00fck, ama normal y\u00fck ak\u0131m\u0131n\u0131, ayr\u0131ca motorlar\u0131n ve g\u00fc\u00e7 kaynaklar\u0131n\u0131n devreye giri\u015findeki ani (inrush) ak\u0131mlar\u0131 da bo\u015f yere atmadan s\u00fcresiz ta\u015f\u0131yacak kadar b\u00fcy\u00fck olmal\u0131d\u0131r.<\/p>\n<p>Hesaplama iki ad\u0131mdan olu\u015fur. \u00d6nce ger\u00e7ek y\u00fck ak\u0131m\u0131 bulunur: ya etiketten okunur ya da y\u00fck g\u00fcc\u00fc gerilime (ve AC y\u00fcklerde g\u00fc\u00e7 fakt\u00f6r\u00fcne) b\u00f6l\u00fcn\u00fcr. Sonra boyutland\u0131rma \u00e7arpan\u0131 uygulan\u0131r: Ulusal Elektrik Yasas\u0131 (NEC 210.20(A)) s\u00fcrekli bir y\u00fck\u00fc a\u015f\u0131r\u0131 ak\u0131m cihaz\u0131 de\u011ferinin %80'iyle s\u0131n\u0131rlad\u0131\u011f\u0131ndan, s\u00fcrekli y\u00fck en az y\u00fck ak\u0131m\u0131n\u0131n %125'i de\u011ferinde bir kesici gerektirir. \u00d6rne\u011fin 30 A'l\u0131k s\u00fcrekli bir y\u00fck en az 37,5 A'l\u0131k kesici ister; bu da standart 40 A'l\u0131k kesiciye yuvarlan\u0131r.<\/p>\n<p>Nihai sonu\u00e7 her zaman standart bir nominal de\u011fere yukar\u0131 yuvarlan\u0131r, \u00e7\u00fcnk\u00fc kesiciler yaln\u0131zca NEC 240.6(A)'daki sabit boylarda \u00fcretilir \u2014 15, 20, 25, 30, 35, 40, 45, 50, 60 A ve 2000 A'ya kadar benzer \u015fekilde. Hesaplay\u0131c\u0131 her zaman gerekli de\u011feri kar\u015f\u0131layan veya a\u015fan en k\u00fc\u00e7\u00fck standart boyu se\u00e7er ve en k\u00fc\u00e7\u00fck standart kesici olan 15 A'n\u0131n alt\u0131na asla inmez.<\/p>\n<p>Sonucu yorumlamak kolayd\u0131r: g\u00f6sterilen say\u0131 kabul edilebilir en k\u00fc\u00e7\u00fck kesici de\u011feridir. Daha b\u00fcy\u00fck bir de\u011fer yaln\u0131zca iletkenin ak\u0131m ta\u015f\u0131ma kapasitesi ve ekipman\u0131n ba\u011flant\u0131 u\u00e7lar\u0131 da elveriyorsa kullan\u0131labilir \u2014 kesici, kablo ve prizler uyumlu bir sistem olarak birlikte \u00e7al\u0131\u015fmal\u0131d\u0131r.<\/p>\n<h2>Varsay\u0131mlar, S\u0131n\u0131rlamalar ve Pratik \u0130pu\u00e7lar\u0131<\/h2>\n<ul>\n<li><strong>\u0130letkenin ak\u0131m ta\u015f\u0131ma kapasitesi \u00f6nemlidir.<\/strong> Bu hesaplay\u0131c\u0131 yaln\u0131zca kesiciyi boyutland\u0131r\u0131r. Kablo en az y\u00fck ak\u0131m\u0131 kadar kapasiteye sahip olmal\u0131 ve \u00e7o\u011fu durumda kesici de\u011ferine e\u015fit ya da \u00fczerinde olmal\u0131d\u0131r. Ak\u0131m\u0131n\u0131za ve hat uzunlu\u011funuza uygun iletken kesitini <a href=\"https:\/\/wpcalc.com\/tr\/muhendislik\/awg-hesaplama\/\">Kablo Kesiti hesaplay\u0131c\u0131s\u0131yla<\/a> kontrol edin.<\/li>\n<li><strong>Gerilim d\u00fc\u015f\u00fcm\u00fc daha kal\u0131n kabloyu zorunlu k\u0131labilir.<\/strong> Uzun hatlarda kablo kesitini \u00e7o\u011fu zaman ak\u0131m ta\u015f\u0131ma kapasitesi de\u011fil, gerilim d\u00fc\u015f\u00fcm\u00fc belirler. Hatt\u0131 <a href=\"https:\/\/wpcalc.com\/tr\/muhendislik\/gerilim-dusumu\/\">Gerilim D\u00fc\u015f\u00fcm\u00fc hesaplay\u0131c\u0131s\u0131yla<\/a> kontrol edin.<\/li>\n<li><strong>Motor ve klima y\u00fckleri \u00f6zel kurallara uyar.<\/strong> Motorlar (NEC Madde 430) ve klima ekipmanlar\u0131 (Madde 440) tam y\u00fck ak\u0131m\u0131na ve etiket talimatlar\u0131na dayanan kendi boyutland\u0131rma tablolar\u0131n\u0131 kullan\u0131r; bu tablolar, bu basit hesab\u0131n \u00f6nerdi\u011finden daha b\u00fcy\u00fck kesiciler gerektirebilir.<\/li>\n<li><strong>Bir \u00fcst boyut kural\u0131 s\u0131n\u0131rl\u0131d\u0131r.<\/strong> NEC 240.4(B), belirli ko\u015fullar alt\u0131nda sabit ve s\u00fcrekli olmayan y\u00fcklerde bir \u00fcst standart kesiciye izin verir; ama yaln\u0131zca iletken kapasitesi en az y\u00fck ak\u0131m\u0131 kadar ise ve art\u0131\u015f bir sonraki standart de\u011feri a\u015fm\u0131yorsa \u2014 s\u00fcrekli y\u00fcklerde ve ta\u015f\u0131nabilir y\u00fck i\u00e7in priz i\u00e7eren devrelerde hi\u00e7bir zaman uygulanmaz.<\/li>\n<li><strong>G\u00fc\u00e7 fakt\u00f6r\u00fc varsay\u0131mlar\u0131.<\/strong> End\u00fcktif bir y\u00fck i\u00e7in PF = 1,0 kullanmak ak\u0131m\u0131 oldu\u011fundan k\u00fc\u00e7\u00fck g\u00f6sterir. Motor tipi bir y\u00fckte etiketteki g\u00fc\u00e7 fakt\u00f6r\u00fc bilinmiyorsa temkinli bir 0,8 varsay\u0131m\u0131 daha g\u00fcvenli sonu\u00e7 verir. K\u00f6t\u00fc g\u00fc\u00e7 fakt\u00f6r\u00fc kayna\u011f\u0131nda da d\u00fczeltilebilir \u2014 bkz. <a href=\"https:\/\/wpcalc.com\/tr\/muhendislik\/guc-faktoru-kompanzasyonu\/\">G\u00fc\u00e7 Fakt\u00f6r\u00fc D\u00fczeltme hesaplay\u0131c\u0131s\u0131<\/a>.<\/li>\n<li><strong>Y\u00f6netmelikler \u00fclkeye g\u00f6re de\u011fi\u015fir.<\/strong> Bu hesaplay\u0131c\u0131 Kuzey Amerika'da ge\u00e7erli NEC kurallar\u0131n\u0131 izler. Di\u011fer b\u00f6lgelerdeki IEC temelli standartlar benzer ilkeleri kullan\u0131r ama standart de\u011ferler ve boyutland\u0131rma \u00e7arpanlar\u0131 farkl\u0131d\u0131r \u2014 her zaman yerel elektrik y\u00f6netmeli\u011finizle do\u011frulay\u0131n.<\/li>\n<li><strong>\u00d6nce g\u00fcvenlik.<\/strong> Kesici panolar\u0131nda yap\u0131lan elektrik i\u015fi, enerjisi kesilmemi\u015f terminallerle temas riski ta\u015f\u0131r. Kurulumu lisansl\u0131 bir elektrik\u00e7iye yapt\u0131r\u0131n ya da ona kontrol ettirin; iletken ve ekipman de\u011ferlerini do\u011frulamadan asla kesiciyi daha b\u00fcy\u00fck biriyle de\u011fi\u015ftirmeyin.<\/li>\n<\/ul>\n<h2>Standart Kesici De\u011ferleri (NEC 240.6(A))<\/h2>\n<table>\n<thead>\n<tr>\n<th>Ak\u0131m aral\u0131\u011f\u0131<\/th>\n<th>Tipik uygulama<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>15\u201320 A<\/td>\n<td>Ayd\u0131nlatma, genel ama\u00e7l\u0131 priz devreleri<\/td>\n<\/tr>\n<tr>\n<td>30\u201350 A<\/td>\n<td>Su \u0131s\u0131t\u0131c\u0131lar\u0131, kurutma makineleri, ocaklar, EV \u015farj\u0131<\/td>\n<\/tr>\n<tr>\n<td>60\u2013100 A<\/td>\n<td>Tali panolar, b\u00fcy\u00fck klima sistemleri, h\u0131zl\u0131 EV \u015farj cihazlar\u0131<\/td>\n<\/tr>\n<tr>\n<td>125\u2013400 A<\/td>\n<td>Abone besleme giri\u015fi, ana da\u011f\u0131t\u0131m<\/td>\n<\/tr>\n<tr>\n<td>400\u20132000 A<\/td>\n<td>Ticari ve end\u00fcstriyel \u015falt tesisleri<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>Devreyle ilgili di\u011fer hesaplamalar i\u00e7in <a href=\"https:\/\/wpcalc.com\/tr\/muhendislik\/ohm-kanunu\/\">Ohm Yasas\u0131 hesaplay\u0131c\u0131s\u0131<\/a> ve <a href=\"https:\/\/wpcalc.com\/tr\/muhendislik\/beklenen-kisa-devre-akimi\/\">K\u0131sa Devre Ak\u0131m\u0131 hesaplay\u0131c\u0131s\u0131<\/a> tasar\u0131m\u0131n \u00f6teki y\u00fcz\u00fcn\u00fc kapsar: kesicinin kesme kapasitesinin panodaki ar\u0131za ak\u0131m\u0131na yetip yetmedi\u011finin do\u011frulanmas\u0131n\u0131.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Herhangi bir y\u00fck i\u00e7in do\u011fru devre kesici de\u011ferini bulun. Y\u00fck g\u00fcc\u00fcn\u00fc (veya ak\u0131m\u0131n\u0131), gerilimi, faz yap\u0131s\u0131n\u0131 ve g\u00fc\u00e7 fakt\u00f6r\u00fcn\u00fc girin; hesaplay\u0131c\u0131 5 s\u00fcrekli y\u00fck kural\u0131n\u0131 uygular ve sonucu en yak\u0131n standart NEC kesici de\u011ferine yukar\u0131 yuvarlar.<\/p>\n","protected":false},"author":3168,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[6],"tags":[35],"class_list":["post-4074","post","type-post","status-publish","format-standard","hentry","category-muhendislik","tag-elektrik"],"acf":[],"_links":{"self":[{"href":"https:\/\/wpcalc.com\/tr\/wp-json\/wp\/v2\/posts\/4074","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/wpcalc.com\/tr\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/wpcalc.com\/tr\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/wpcalc.com\/tr\/wp-json\/wp\/v2\/users\/3168"}],"replies":[{"embeddable":true,"href":"https:\/\/wpcalc.com\/tr\/wp-json\/wp\/v2\/comments?post=4074"}],"version-history":[{"count":0,"href":"https:\/\/wpcalc.com\/tr\/wp-json\/wp\/v2\/posts\/4074\/revisions"}],"wp:attachment":[{"href":"https:\/\/wpcalc.com\/tr\/wp-json\/wp\/v2\/media?parent=4074"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/wpcalc.com\/tr\/wp-json\/wp\/v2\/categories?post=4074"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/wpcalc.com\/tr\/wp-json\/wp\/v2\/tags?post=4074"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}