{"id":4552,"date":"2026-11-10T03:07:24","date_gmt":"2026-11-10T03:07:24","guid":{"rendered":"https:\/\/onpowbutton.com\/news\/\/"},"modified":"2026-11-10T05:00:06","modified_gmt":"2026-11-10T05:00:06","slug":"spst-vs-spdt-vs-dpst-vs-dpdt-switches","status":"publish","type":"post","link":"https:\/\/onpowbutton.com\/tr\/news\/spst-vs-spdt-vs-dpst-vs-dpdt-switches\/","title":{"rendered":"SPST mi, SPDT mi, DPST mi yoksa DPDT mi: Anahtar T\u00fcrlerini Anlama"},"content":{"rendered":"<p class=\"wp-block-paragraph\">Bir elektrik anahtar\u0131 se\u00e7erken dikkate al\u0131nmas\u0131 gereken ilk \u015feylerden biri, ka\u00e7 devreyi kontrol etmesi gerekti\u011fi ve bu devrelerin nas\u0131l \u00e7al\u0131\u015fmas\u0131 gerekti\u011fidir. \u00dcr\u00fcn \u00f6zellikleri, ba\u011flant\u0131 \u015femalar\u0131 veya elektrik kataloglar\u0131nda SPST, SPDT, DPST ve DPDT gibi terimlerle kar\u015f\u0131la\u015fm\u0131\u015f olabilirsiniz. Peki, bunlar ger\u00e7ekten ne anlama geliyor ve hangi yap\u0131land\u0131rma uygulaman\u0131z i\u00e7in do\u011fru?<br><br>Bu k\u0131saltmalar, bir anahtar\u0131n kutup say\u0131s\u0131n\u0131 ve at\u0131\u015f say\u0131s\u0131n\u0131 tan\u0131mlar. Basit\u00e7e s\u00f6ylemek gerekirse, bir anahtar\u0131n ka\u00e7 ayr\u0131 devreyi kontrol edebilece\u011fini ve her devreye ka\u00e7 ba\u011flant\u0131 yolu oldu\u011funu g\u00f6sterirler.<br><br>Yanl\u0131\u015f yap\u0131land\u0131rma se\u00e7mek, gereksiz kablolama karma\u015fas\u0131na, s\u0131n\u0131rl\u0131 fonksiyonelli\u011fe veya uyumluluk sorunlar\u0131na yol a\u00e7abilir. Bu rehber, SPST, SPDT, DPST ve DPDT anahtarlar aras\u0131ndaki farklar\u0131, nas\u0131l \u00e7al\u0131\u015ft\u0131klar\u0131n\u0131 ve birini se\u00e7erken nelere dikkat edilmesi gerekti\u011fini a\u00e7\u0131klar.<\/p>\n\n<h2 class=\"wp-block-heading\">1. Bir Anahtarda Pol ve At\u0131\u015flar Ne Anlama Gelir?<\/h2>\n\n<p class=\"wp-block-paragraph\">D\u00f6rt anahtar t\u00fcr\u00fcn\u00fc kar\u015f\u0131la\u015ft\u0131rmadan \u00f6nce, iki temel terimi anlamak faydal\u0131d\u0131r: pol ve at\u0131\u015f.<\/p>\n\n<ul class=\"wp-block-list\">\n<li><strong>Pol:<\/strong> Bir anahtar\u0131n kontrol edebilece\u011fi ba\u011f\u0131ms\u0131z devre say\u0131s\u0131.<\/li>\n\n<li><strong>At\u0131\u015f:<\/strong> Her pol\u00fcn aras\u0131nda ge\u00e7i\u015f yapabilece\u011fi \u00e7\u0131k\u0131\u015f ba\u011flant\u0131s\u0131 say\u0131s\u0131.<\/li>\n<\/ul>\n\n<p class=\"wp-block-paragraph\">Bir pol\u00fc, ba\u011f\u0131ms\u0131z bir kontrol yolu olarak d\u00fc\u015f\u00fcn\u00fcn ve at\u0131\u015f\u0131, mevcut ba\u011flant\u0131 se\u00e7eneklerinin say\u0131s\u0131 olarak kabul edin.<br>\u00d6rne\u011fin:<\/p>\n\n<ul class=\"wp-block-list\">\n<li>Tek kutuplu bir anahtar bir devreyi kontrol eder.<\/li>\n\n<li>\u00c7ift kutuplu bir anahtar iki ayr\u0131 devreyi kontrol eder.<\/li>\n\n<li>Tek at\u0131\u015fl\u0131 bir anahtar, bir anahtar \u00e7\u0131k\u0131\u015f yolu sa\u011flar.<\/li>\n\n<li>\u00c7ift at\u0131\u015fl\u0131 bir anahtar, bir devreyi iki \u00e7\u0131k\u0131\u015f yolundan birine ba\u011flayabilir.<\/li>\n<\/ul>\n\n<p class=\"wp-block-paragraph\">Bu iki terimi anlad\u0131ktan sonra, k\u0131saltmalar \u00e7ok daha kolay okunabilir hale gelir.<\/p>\n\n<ul class=\"wp-block-list\">\n<li><strong>SPST = Tek Kutuplu, Tek At\u0131\u015fl\u0131<\/strong><\/li>\n\n<li><strong>SPDT = Tek Kutuplu, \u00c7ift At\u0131\u015fl\u0131<\/strong><\/li>\n\n<li><strong>DPST = \u00c7ift Kutuplu, Tek At\u0131\u015fl\u0131<\/strong><\/li>\n\n<li><strong>DPDT = \u00c7ift Kutup, \u00c7ift At\u0131\u015f<\/strong><\/li>\n<\/ul>\n\n<h2 class=\"wp-block-heading\">2. SPST vs. SPDT vs. DPST vs. DPDT: Fark Nedir?<\/h2>\n\n<p class=\"wp-block-paragraph\">Ana fark, bir anahtar\u0131n ka\u00e7 devreyi kontrol etti\u011fi ve ka\u00e7 ba\u011flant\u0131 yolu bulundu\u011fudur.<\/p>\n\n<table style=\"width: 100%; border-collapse: collapse; text-align: left;\">\n <thead>\n <tr>\n <th style=\"border: 1px solid #ddd; padding: 12px;\">Anahtar T\u00fcr\u00fc<\/th>\n <th style=\"border: 1px solid #ddd; padding: 12px;\">Kutup<\/th>\n <th style=\"border: 1px solid #ddd; padding: 12px;\">At\u0131\u015f<\/th>\n <th style=\"border: 1px solid #ddd; padding: 12px;\">Ana \u0130\u015flev<\/th>\n <\/tr>\n <\/thead>\n <tbody>\n <tr>\n <td style=\"border: 1px solid #ddd; padding: 12px;\">SPST<\/td>\n <td style=\"border: 1px solid #ddd; padding: 12px;\">1<\/td>\n <td style=\"border: 1px solid #ddd; padding: 12px;\">1<\/td>\n <td style=\"border: 1px solid #ddd; padding: 12px;\">Bir devreyi A\u00c7AR veya KAPAR<\/td>\n <\/tr>\n <tr>\n <td style=\"border: 1px solid #ddd; padding: 12px;\">se\u00e7in<\/td>\n <td style=\"border: 1px solid #ddd; padding: 12px;\">1<\/td>\n <td style=\"border: 1px solid #ddd; padding: 12px;\">2<\/td>\n <td style=\"border: 1px solid #ddd; padding: 12px;\">Bir devreyi iki \u00e7\u0131k\u0131\u015ftan herhangi birine ba\u011flar<\/td>\n <\/tr>\n <tr>\n <td style=\"border: 1px solid #ddd; padding: 12px;\">DPST<\/td>\n <td style=\"border: 1px solid #ddd; padding: 12px;\">2<\/td>\n <td style=\"border: 1px solid #ddd; padding: 12px;\">1<\/td>\n <td style=\"border: 1px solid #ddd; padding: 12px;\">\u0130ki ayr\u0131 devreyi ayn\u0131 anda A\u00c7AR veya KAPAR<\/td>\n <\/tr>\n <tr>\n <td style=\"border: 1px solid #ddd; padding: 12px;\">DPDT<\/td>\n <td style=\"border: 1px solid #ddd; padding: 12px;\">2<\/td>\n <td style=\"border: 1px solid #ddd; padding: 12px;\">2<\/td>\n <td style=\"border: 1px solid #ddd; padding: 12px;\">\u0130ki ayr\u0131 devreyi iki \u00e7\u0131k\u0131\u015f seti aras\u0131nda anahtarlar<\/td>\n <\/tr>\n <\/tbody>\n<\/table>\n\n<p class=\"wp-block-paragraph\">\u0130\u015fte onlar\u0131 hat\u0131rlaman\u0131n basit bir yolu:<\/p>\n\n<div class=\"wp-block-group is-nowrap is-layout-flex wp-container-core-group-is-layout-8f761849 wp-block-group-is-layout-flex\">\n<div class=\"wp-block-media-text is-stacked-on-mobile\" style=\"grid-template-columns:43% auto\"><figure class=\"wp-block-media-text__media\"><img loading=\"lazy\" decoding=\"async\" width=\"454\" height=\"398\" src=\"https:\/\/onpowbutton.com\/wp-content\/uploads\/2026\/11\/types.webp\" alt=\"\" class=\"wp-image-4553 size-full\" srcset=\"https:\/\/onpowbutton.com\/wp-content\/uploads\/2026\/11\/types.webp 454w, https:\/\/onpowbutton.com\/wp-content\/uploads\/2026\/11\/types-300x263.webp 300w, https:\/\/onpowbutton.com\/wp-content\/uploads\/2026\/11\/types-14x12.webp 14w\" sizes=\"auto, (max-width: 454px) 100vw, 454px\" \/><\/figure><div class=\"wp-block-media-text__content\">\n<ul class=\"wp-block-list\">\n<li><strong>SPST:<\/strong> Bir devre, A\u00c7IK veya KAPALI.<\/li>\n\n<li><strong>SPDT:<\/strong> Bir devre, iki olas\u0131 ba\u011flant\u0131 yolu.<\/li>\n\n<li><strong>DPST:<\/strong> \u0130ki devre, birlikte A\u00c7IK veya KAPALI.<\/li>\n\n<li><strong>DPDT: <\/strong>\u0130ki devre, her biri iki ba\u011flant\u0131 yolu aras\u0131nda anahtar de\u011fi\u015ftirir.<\/li>\n<\/ul>\n<\/div><\/div>\n<\/div>\n\n<h2 class=\"wp-block-heading\">3. SPST Anahtar Nedir?<\/h2>\n\n<p class=\"wp-block-paragraph\">Bir SPST (Tek Pol, Tek At\u0131\u015f) anahtar, en basit ve en yayg\u0131n anahtar konfig\u00fcrasyonudur. Tek bir elektrik devresini kontrol eder, a\u00e7\u0131p kapamaya olanak tan\u0131r.<br>A\u00e7\u0131k konumda, kontaklar kapan\u0131r ve ak\u0131m\u0131n akmas\u0131na izin verir. Kapal\u0131 konumda, kontaklar a\u00e7\u0131l\u0131r ve devreyi keser.<\/p>\n\n<figure class=\"wp-block-image size-large is-resized\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"899\" src=\"https:\/\/onpowbutton.com\/wp-content\/uploads\/2026\/11\/SPST-1024x899.webp\" alt=\"\" class=\"wp-image-4554\" style=\"aspect-ratio:1.1390554484395194;width:306px;height:auto\" srcset=\"https:\/\/onpowbutton.com\/wp-content\/uploads\/2026\/11\/SPST-1024x899.webp 1024w, https:\/\/onpowbutton.com\/wp-content\/uploads\/2026\/11\/SPST-300x263.webp 300w, https:\/\/onpowbutton.com\/wp-content\/uploads\/2026\/11\/SPST-768x674.webp 768w, https:\/\/onpowbutton.com\/wp-content\/uploads\/2026\/11\/SPST-1536x1348.webp 1536w, https:\/\/onpowbutton.com\/wp-content\/uploads\/2026\/11\/SPST-14x12.webp 14w, https:\/\/onpowbutton.com\/wp-content\/uploads\/2026\/11\/SPST.webp 1568w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n<h3 class=\"wp-block-heading\"><strong>Nas\u0131l \u00e7al\u0131\u015f\u0131r?<\/strong><\/h3>\n\n<p class=\"wp-block-paragraph\">Bir SPST anahtar\u0131n iki ana terminali ve iki temel durumu vard\u0131r:<\/p>\n\n<ul class=\"wp-block-list\">\n<li>A\u00c7IK: Devre ba\u011fl\u0131d\u0131r, ak\u0131m ak\u0131\u015f\u0131na izin verir.<\/li>\n\n<li>KAPALI: Devre ba\u011flant\u0131s\u0131 kesilir, ak\u0131m ak\u0131\u015f\u0131n\u0131 durdurur.<\/li>\n<\/ul>\n\n<h3 class=\"wp-block-heading\">Yayg\u0131n uygulamalar:<\/h3>\n\n<ul class=\"wp-block-list\">\n<li>Elektrikli ekipmanlar i\u00e7in G\u00fc\u00e7 A\u00c7MA\/KAPAMA kontrol\u00fc<\/li>\n\n<li>Ayd\u0131nlatma devreleri<\/li>\n\n<li>K\u00fc\u00e7\u00fck ev aletleri<\/li>\n\n<li>Temel sanayi kontrol panelleri<\/li>\n\n<li>Basit makine ba\u015flat\/durdur fonksiyonlar\u0131<\/li>\n<\/ul>\n\n<h2 class=\"wp-block-heading\">4. SPDT Anahtar\u0131 Nedir?<\/h2>\n\n<p class=\"wp-block-paragraph\">Bir SPDT (Tek Pol, \u00c7ift At\u0131\u015f) anahtar, bir devreyi kontrol eder ancak iki olas\u0131 \u00e7\u0131k\u0131\u015f ba\u011flant\u0131s\u0131 sa\u011flar.<br>Basit\u00e7e bir devreyi a\u00e7\u0131p kapayan bir SPST anahtar\u0131n aksine, bir SPDT anahtar ortak terminali iki \u00e7\u0131k\u0131\u015f terminalinden birine y\u00f6nlendirir.<\/p>\n\n<figure class=\"wp-block-image size-large is-resized\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"1024\" src=\"https:\/\/onpowbutton.com\/wp-content\/uploads\/2026\/11\/SPDT-1024x1024.webp\" alt=\"\" class=\"wp-image-4555\" style=\"width:308px;height:auto\" srcset=\"https:\/\/onpowbutton.com\/wp-content\/uploads\/2026\/11\/SPDT-1024x1024.webp 1024w, https:\/\/onpowbutton.com\/wp-content\/uploads\/2026\/11\/SPDT-300x300.webp 300w, https:\/\/onpowbutton.com\/wp-content\/uploads\/2026\/11\/SPDT-150x150.webp 150w, https:\/\/onpowbutton.com\/wp-content\/uploads\/2026\/11\/SPDT-768x768.webp 768w, https:\/\/onpowbutton.com\/wp-content\/uploads\/2026\/11\/SPDT-12x12.webp 12w, https:\/\/onpowbutton.com\/wp-content\/uploads\/2026\/11\/SPDT.webp 1536w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n<h3 class=\"wp-block-heading\">Nas\u0131l \u00e7al\u0131\u015f\u0131r?<\/h3>\n\n<p class=\"wp-block-paragraph\">Bir SPDT anahtar genellikle \u00fc\u00e7 terminale sahiptir:<\/p>\n\n<ul class=\"wp-block-list\">\n<li>COM (Ortak): Payla\u015f\u0131lan ba\u011flant\u0131.<\/li>\n\n<li>NO (Normalde A\u00e7\u0131k): Normal, hareketsiz durumda COM ile ba\u011flant\u0131l\u0131 de\u011fildir.<\/li>\n\n<li>NC (Normalde Kapal\u0131): Normal, hareketsiz durumda COM ile ba\u011flant\u0131l\u0131d\u0131r.<\/li>\n<\/ul>\n\n<h3 class=\"wp-block-heading\">Yayg\u0131n uygulamalar:<\/h3>\n\n<ul class=\"wp-block-list\">\n<li>\u0130ki \u00e7al\u0131\u015fma modu aras\u0131nda se\u00e7im yapma<\/li>\n\n<li>\u0130ki sinyal yolu aras\u0131nda ge\u00e7i\u015f yapma<\/li>\n\n<li>\u0130leri ve geri kontrol devreleri (uygun bir devre d\u00fczeninde kullan\u0131ld\u0131\u011f\u0131nda)<\/li>\n\n<li>Elektronik kontrol sistemleri<\/li>\n\n<li>Sanayi ekipman\u0131 mod se\u00e7imi<\/li>\n<\/ul>\n\n<h2 class=\"wp-block-heading\">5. DPST Anahtar\u0131 Nedir?<\/h2>\n\n<p class=\"wp-block-paragraph\">Bir DPST (\u00c7ift Pol, Tek At\u0131\u015f) anahtar, ayn\u0131 anda iki ayr\u0131 devreyi kontrol eder.<br>Bir SPST anahtara benzer \u015fekilde \u00e7al\u0131\u015f\u0131r, ancak bir devreyi de\u011fil, iki ba\u011f\u0131ms\u0131z devreyi birlikte anahtarlar.<\/p>\n\n<figure class=\"wp-block-image size-large is-resized\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"899\" src=\"https:\/\/onpowbutton.com\/wp-content\/uploads\/2026\/11\/DPST-1024x899.webp\" alt=\"\" class=\"wp-image-4556\" style=\"aspect-ratio:1.1390554484395194;width:319px;height:auto\" srcset=\"https:\/\/onpowbutton.com\/wp-content\/uploads\/2026\/11\/DPST-1024x899.webp 1024w, https:\/\/onpowbutton.com\/wp-content\/uploads\/2026\/11\/DPST-300x263.webp 300w, https:\/\/onpowbutton.com\/wp-content\/uploads\/2026\/11\/DPST-768x674.webp 768w, https:\/\/onpowbutton.com\/wp-content\/uploads\/2026\/11\/DPST-1536x1348.webp 1536w, https:\/\/onpowbutton.com\/wp-content\/uploads\/2026\/11\/DPST-14x12.webp 14w, https:\/\/onpowbutton.com\/wp-content\/uploads\/2026\/11\/DPST.webp 1568w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n<h3 class=\"wp-block-heading\">Nas\u0131l \u00e7al\u0131\u015f\u0131r?<\/h3>\n\n<p class=\"wp-block-paragraph\">Tipik bir DPST anahtar\u0131, iki ayr\u0131 temas setine sahip d\u00f6rt ana terminale sahiptir.<br>Anahtar A\u00c7IK konuma getirildi\u011finde, her iki temas seti kapan\u0131r. KAPALI konuma getirildi\u011finde ise her ikisi de a\u00e7\u0131l\u0131r.<\/p>\n\n<h3 class=\"wp-block-heading\">Yayg\u0131n uygulamalar:<\/h3>\n\n<ul class=\"wp-block-list\">\n<li>\u0130ki elektrik hatt\u0131n\u0131 ayn\u0131 anda de\u011fi\u015ftirme<\/li>\n\n<li>End\u00fcstriyel ekipmanlarda g\u00fc\u00e7 kontrol\u00fc<\/li>\n\n<li>\u0130ki kutuplu izolasyon gerektiren elektrikli cihazlar<\/li>\n\n<li>\u00c7oklu devre ba\u011flant\u0131lar\u0131na sahip kontrol panelleri<\/li>\n<\/ul>\n\n<h2 class=\"wp-block-heading\">6. DPDT Anahtar\u0131 Nedir?<\/h2>\n\n<p class=\"wp-block-paragraph\">Bir DPDT (\u00c7ift Kutuplu, \u00c7ift At\u0131\u015fl\u0131) anahtar, iki kutbu ve iki at\u0131\u015fl\u0131y\u0131 birle\u015ftirir.<br>\u0130ki ayr\u0131 devreyi kontrol edebilir, her kutup iki \u00e7\u0131k\u0131\u015f yolu aras\u0131nda ge\u00e7i\u015f yapar. Bu, onu en \u00e7ok y\u00f6nl\u00fc temel anahtar konfig\u00fcrasyonlar\u0131ndan biri yapar.<\/p>\n\n<figure class=\"wp-block-image size-large is-resized\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"899\" src=\"https:\/\/onpowbutton.com\/wp-content\/uploads\/2026\/11\/DPDT-1024x899.webp\" alt=\"\" class=\"wp-image-4557\" style=\"aspect-ratio:1.1390554484395194;width:320px;height:auto\" srcset=\"https:\/\/onpowbutton.com\/wp-content\/uploads\/2026\/11\/DPDT-1024x899.webp 1024w, https:\/\/onpowbutton.com\/wp-content\/uploads\/2026\/11\/DPDT-300x263.webp 300w, https:\/\/onpowbutton.com\/wp-content\/uploads\/2026\/11\/DPDT-768x674.webp 768w, https:\/\/onpowbutton.com\/wp-content\/uploads\/2026\/11\/DPDT-1536x1348.webp 1536w, https:\/\/onpowbutton.com\/wp-content\/uploads\/2026\/11\/DPDT-14x12.webp 14w, https:\/\/onpowbutton.com\/wp-content\/uploads\/2026\/11\/DPDT.webp 1568w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n<h3 class=\"wp-block-heading\">Nas\u0131l \u00e7al\u0131\u015f\u0131r?<\/h3>\n\n<p class=\"wp-block-paragraph\">Tipik bir DPDT anahtar\u0131 alt\u0131 terminale sahiptir:<\/p>\n\n<ul class=\"wp-block-list\">\n<li>\u0130ki ortak terminal<\/li>\n\n<li>\u0130ki normalde a\u00e7\u0131k terminal<\/li>\n\n<li>\u0130ki normalde kapal\u0131 terminal<\/li>\n<\/ul>\n\n<p class=\"wp-block-paragraph\">Her kutup kendi de\u011fi\u015fim kontaklar\u0131na sahiptir. Anahtar konumunu de\u011fi\u015ftirdi\u011finde, her iki kutup kendi temas yollar\u0131 aras\u0131nda ge\u00e7i\u015f yapar.<\/p>\n\n<h3 class=\"wp-block-heading\">Yayg\u0131n uygulamalar:<\/h3>\n\n<ul class=\"wp-block-list\">\n<li>Uygun ba\u011flant\u0131 ile DC motor y\u00f6n\u00fcn\u00fc tersine \u00e7evirme<\/li>\n\n<li>\u0130ki g\u00fc\u00e7 veya sinyal kayna\u011f\u0131 aras\u0131nda ge\u00e7i\u015f yapma<\/li>\n\n<li>Alternatif devre konfig\u00fcrasyonlar\u0131 se\u00e7me<\/li>\n\n<li>End\u00fcstriyel kontrol sistemleri<\/li>\n\n<li>Koordine de\u011fi\u015fim anahtarlamas\u0131 gerektiren ekipmanlar<\/li>\n<\/ul>\n\n<h2 class=\"wp-block-heading\">Her Konfig\u00fcrasyon \u0130\u00e7in ONPOW \u00c7\u00f6z\u00fcmleri<\/h2>\n\n<p class=\"wp-block-paragraph\">At <a href=\"https:\/\/onpowbutton.com\/tr\/\"><strong>ONPOW<\/strong><\/a>, farkl\u0131 kontrol paneli gereksinimleri i\u00e7in tasarlanm\u0131\u015f \u00e7e\u015fitli end\u00fcstriyel itme d\u00fc\u011fmesi anahtarlar\u0131 \u00fcretmekteyiz. <a href=\"https:\/\/onpowbutton.com\/tr\/products\/\"><strong>\u00fcr\u00fcn<\/strong><\/a> Se\u00e7eneklerimiz aras\u0131nda farkl\u0131 montaj boyutlar\u0131, temas yap\u0131land\u0131rmalar\u0131, ayd\u0131nlatma se\u00e7enekleri ve koruma seviyeleri bulunmakta olup, belirli uygulamalara \u00f6zel \u00f6zelle\u015ftirme imkan\u0131 da mevcuttur.<\/p>\n\n<p class=\"wp-block-paragraph\"><a href=\"https:\/\/onpowbutton.com\/tr\/contact-us\/\"><strong>\u0130LET\u0130\u015e\u0130ME GE\u00c7\u0130N<\/strong><\/a><\/p>\n\n<p class=\"wp-block-paragraph\"><\/p>","protected":false},"excerpt":{"rendered":"<p>When choosing an electrical switch, one of the first things to consider is how many circuits it needs to control and how those circuits should operate. You may have come across terms such as SPST, SPDT, DPST, and DPDT in product specifications, wiring diagrams, or electrical catalogs. But what do they actually mean, and which [&hellip;]<\/p>\n","protected":false},"author":3,"featured_media":4553,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_uag_custom_page_level_css":"","footnotes":""},"categories":[1],"tags":[],"class_list":["post-4552","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-blog"],"uagb_featured_image_src":{"full":["https:\/\/onpowbutton.com\/wp-content\/uploads\/2026\/11\/types.webp",454,398,false],"thumbnail":["https:\/\/onpowbutton.com\/wp-content\/uploads\/2026\/11\/types-150x150.webp",150,150,true],"medium":["https:\/\/onpowbutton.com\/wp-content\/uploads\/2026\/11\/types-300x263.webp",300,263,true],"medium_large":["https:\/\/onpowbutton.com\/wp-content\/uploads\/2026\/11\/types.webp",454,398,false],"large":["https:\/\/onpowbutton.com\/wp-content\/uploads\/2026\/11\/types.webp",454,398,false],"1536x1536":["https:\/\/onpowbutton.com\/wp-content\/uploads\/2026\/11\/types.webp",454,398,false],"2048x2048":["https:\/\/onpowbutton.com\/wp-content\/uploads\/2026\/11\/types.webp",454,398,false],"trp-custom-language-flag":["https:\/\/onpowbutton.com\/wp-content\/uploads\/2026\/11\/types-14x12.webp",14,12,true]},"uagb_author_info":{"display_name":"hongbo","author_link":"https:\/\/onpowbutton.com\/tr\/author\/hongbo\/"},"uagb_comment_info":0,"uagb_excerpt":"When choosing an electrical switch, one of the first things to consider is how many circuits it needs to control and how those circuits should operate. You may have come across terms such as SPST, SPDT, DPST, and DPDT in product specifications, wiring diagrams, or electrical catalogs. But what do they actually mean, and which&hellip;","_links":{"self":[{"href":"https:\/\/onpowbutton.com\/tr\/wp-json\/wp\/v2\/posts\/4552","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/onpowbutton.com\/tr\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/onpowbutton.com\/tr\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/onpowbutton.com\/tr\/wp-json\/wp\/v2\/users\/3"}],"replies":[{"embeddable":true,"href":"https:\/\/onpowbutton.com\/tr\/wp-json\/wp\/v2\/comments?post=4552"}],"version-history":[{"count":4,"href":"https:\/\/onpowbutton.com\/tr\/wp-json\/wp\/v2\/posts\/4552\/revisions"}],"predecessor-version":[{"id":4578,"href":"https:\/\/onpowbutton.com\/tr\/wp-json\/wp\/v2\/posts\/4552\/revisions\/4578"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/onpowbutton.com\/tr\/wp-json\/wp\/v2\/media\/4553"}],"wp:attachment":[{"href":"https:\/\/onpowbutton.com\/tr\/wp-json\/wp\/v2\/media?parent=4552"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/onpowbutton.com\/tr\/wp-json\/wp\/v2\/categories?post=4552"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/onpowbutton.com\/tr\/wp-json\/wp\/v2\/tags?post=4552"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}