![\"\"](\"https:\/\/www.britecelectric.com\/wp-content\/uploads\/2025\/08\/BR-20-4P-1Type-2-Surge-Protection-Device.jpg-2-1024x1024.webp\")
<\/a><\/p>\r\n\r\nIEC Standartlar\u0131 ve SPD S\u0131n\u0131fland\u0131rmas\u0131<\/h2>\r\n
Tek fazl\u0131 a\u015f\u0131r\u0131 gerilim koruma cihaz\u0131n\u0131n se\u00e7imi \u00f6ncelikle uluslararas\u0131 standartlara uygun olmal\u0131d\u0131r. IEC 61643-11<\/strong><\/a> Ve IEC 61643-12<\/strong><\/a>. Bunlar test dalga formlar\u0131n\u0131, s\u0131n\u0131fland\u0131rmay\u0131 ve kurulum y\u00f6nergelerini tan\u0131mlar:<\/p>\r\n\r\n Tip 1 SPD<\/strong>: Do\u011frudan y\u0131ld\u0131r\u0131m ak\u0131mlar\u0131na dayanacak \u015fekilde tasarlanm\u0131\u015f, 10\/350 \u00b5s dalga formuyla test edilmi\u015ftir. Havai hatlar\u0131n veya y\u0131ld\u0131r\u0131mdan korunma sistemlerinin bulundu\u011fu servis giri\u015fine monte edilir.<\/p>\r\n<\/li>\r\n \t Tip 2 SPD<\/strong>: 8\/20 \u00b5s dalga formuyla test edilmi\u015ftir, anahtarlama dalgalanmalar\u0131na ve dolayl\u0131 y\u0131ld\u0131r\u0131ma kar\u015f\u0131 koruma sa\u011flar. Genellikle da\u011f\u0131t\u0131m panellerine monte edilir.<\/p>\r\n<\/li>\r\n \t Tip 3 SPD<\/strong>: Hassas y\u00fcklerin yak\u0131n\u0131na monte edilir, \u00e7ok d\u00fc\u015f\u00fck art\u0131k gerilim (Yukar\u0131) sa\u011flar. Koruman\u0131n son a\u015famas\u0131 olarak kullan\u0131l\u0131r.<\/p>\r\n<\/li>\r\n<\/ul>\r\n SPD'lerin ayr\u0131nt\u0131l\u0131 s\u0131n\u0131fland\u0131rmas\u0131n\u0131 ve her t\u00fcr\u00fcn standartlarda ve pratik uygulamalarda nas\u0131l tan\u0131mland\u0131\u011f\u0131n\u0131 daha derinlemesine incelemek istiyorsan\u0131z, buradaki \u00f6zel makalemizi inceleyebilirsiniz: SPD'lerin s\u0131n\u0131fland\u0131r\u0131lmas\u0131<\/strong><\/em><\/a>.<\/span><\/p>\r\n\r\n Farkl\u0131 tek fazl\u0131 SPD'leri kar\u015f\u0131la\u015ft\u0131r\u0131rken, do\u011fru se\u00e7im i\u00e7in \u00e7e\u015fitli parametreler kritik \u00f6neme sahiptir:<\/p>\r\n\r\n Uc (Maksimum S\u00fcrekli \u00c7al\u0131\u015fma Gerilimi)<\/strong>: Cihaz\u0131n bozulma olmadan kullanabilece\u011fi maksimum RMS voltaj\u0131. 230\/240V sistemler i\u00e7in standart de\u011fer hat ile n\u00f6tr aras\u0131 275V AC'dir.<\/p>\r\n<\/li>\r\n \t Yukar\u0131 (Voltaj Koruma Seviyesi)<\/strong>: Bir dalgalanma s\u0131ras\u0131nda s\u0131k\u0131\u015ft\u0131r\u0131lm\u0131\u015f voltaj. Hassas elektronikler 1,5\u20132,5 kV'nin alt\u0131na ihtiya\u00e7 duyar.<\/p>\r\n<\/li>\r\n \t In (Nominal De\u015farj Ak\u0131m\u0131)<\/strong>: SPD'nin hatas\u0131z olarak tekrar tekrar de\u015farj edebilece\u011fi ak\u0131m. \u0130yi bir tek fazl\u0131 SPD en az 20 kA (8\/20 \u00b5s) ile \u00e7al\u0131\u015fabilmelidir.<\/p>\r\n<\/li>\r\n \t Imax (Maksimum De\u015farj Ak\u0131m\u0131)<\/strong>: SPD'nin tek bir olayda dayanabilece\u011fi maksimum ak\u0131m, genellikle 40 kA veya daha fazlas\u0131.<\/p>\r\n<\/li>\r\n \t Iimp (Darbe Ak\u0131m\u0131)<\/strong>: Tip 1 SPD'lere \u00f6zeldir, 10\/350 \u00b5s dalga formuyla test edilmi\u015ftir. De\u011ferler 12,5 kA'dan ba\u015flar ve y\u00fcksek riskli b\u00f6lgelerde 25 kA \u00f6nerilir.<\/p>\r\n<\/li>\r\n \t Yan\u0131t S\u00fcresi<\/strong>: SPD'ler nanosaniyeler i\u00e7inde etki eder. Reaksiyon ne kadar h\u0131zl\u0131 olursa hassas elektronikler i\u00e7in o kadar iyi koruma sa\u011flan\u0131r.<\/p>\r\n<\/li>\r\n<\/ul>\r\n Bu parametreler her zaman sistemin maruz kalma seviyesi, topraklama tipi ve ekipman yal\u0131t\u0131m kategorisi ile e\u015fle\u015ftirilmelidir.<\/p>\r\n\r\n Topraklama tipi \u00e7o\u011fu zaman g\u00f6z ard\u0131 edilir ancak Tek Fazl\u0131 A\u015f\u0131r\u0131 Gerilim Koruma Cihaz\u0131 se\u00e7erken en belirleyici fakt\u00f6rlerden biridir.<\/p>\r\n\r\n TT Sistemleri<\/strong>: 1P+N (1+1 olarak da bilinir) SPD gerektirir. Bu konfig\u00fcrasyon, hat ile n\u00f6tr aras\u0131nda MOV korumas\u0131n\u0131n yan\u0131 s\u0131ra n\u00f6tr ile PE aras\u0131nda bir k\u0131v\u0131lc\u0131m aral\u0131\u011f\u0131 veya \u00f6zel bir eleman kullan\u0131r. Ar\u0131za s\u0131ras\u0131nda n\u00f6tr potansiyelinin y\u00fckselebilece\u011fi TT'de hayati \u00f6nem ta\u015f\u0131yan topra\u011fa kontroll\u00fc de\u015farj\u0131 sa\u011flar.<\/p>\r\n<\/li>\r\n \t TN-S veya TN-C-S Sistemleri<\/strong>: Da\u011f\u0131t\u0131m panosunun tasar\u0131m\u0131na ba\u011fl\u0131 olarak 1P veya 1P+N kullan\u0131labilir. Hem hattan n\u00f6tre hem de hattan topra\u011fa giden yollar korunmal\u0131d\u0131r.<\/p>\r\n<\/li>\r\n \t TN-C Sistemleri<\/strong>: PEN iletkeninin eri\u015filebilir olup olmamas\u0131na ba\u011fl\u0131 olarak genellikle 1P veya 2P SPD'leri uygulay\u0131n.<\/p>\r\n<\/li>\r\n<\/ul>\r\n T\u00fcm sistemler i\u00e7in kablolama kurallar\u0131 ayn\u0131 kal\u0131r: SPD'nin toprak ba\u011flant\u0131s\u0131n\u0131 m\u00fcmk\u00fcn oldu\u011fu kadar k\u0131sa, ideal olarak 0,5 m'den az tutun. Uzun u\u00e7lar end\u00fcktans\u0131 artt\u0131r\u0131r ve dolay\u0131s\u0131yla korunan cihaz\u0131n g\u00f6rece\u011fi art\u0131k voltaj\u0131 art\u0131r\u0131r.<\/p>\r\n\r\n Bu, karar verme s\u00fcrecinin kalbidir. Bir\u00e7ok m\u00fchendis ve al\u0131c\u0131, \u00f6zellikle tek fazl\u0131 bir SPD'nin nas\u0131l se\u00e7ilece\u011fini ara\u015ft\u0131r\u0131yor; dolay\u0131s\u0131yla bu b\u00f6l\u00fcm ayr\u0131nt\u0131l\u0131, pratik bir yol haritas\u0131 sunuyor:<\/p>\r\n\r\n Binan\u0131n harici bir y\u0131ld\u0131r\u0131mdan korunma sistemine (LPS) sahip olup olmad\u0131\u011f\u0131n\u0131 veya havai hatlardan beslenip beslenmedi\u011fini belirleyin. Evet ise servis giri\u015finde Tip 1 SPD zorunludur. D\u00fc\u015f\u00fck riskli b\u00f6lgelerdeki yer alt\u0131 kaynaklar\u0131 i\u00e7in y\u00fcksek kapasiteli Tip 2 yeterli olabilir.<\/p>\r\n\r\n Kurulumunuzun TT, TN-S, TN-C-S veya TN-C olup olmad\u0131\u011f\u0131n\u0131 kontrol edin. Bu, 1P SPD'ye, 1P+N SPD'ye veya 2P SPD'ye ihtiyac\u0131n\u0131z olup olmad\u0131\u011f\u0131n\u0131 belirler. Yanl\u0131\u015f kablolama konfig\u00fcrasyonunun se\u00e7ilmesi SPD'yi etkisiz hale getirebilir.<\/p>\r\n\r\n Servis giri\u015finde: Tip 1 veya Tip 1+2 kombine SPD.<\/p>\r\n<\/li>\r\n \t Da\u011f\u0131t\u0131m panellerinde: Tip 2, In \u2265 20 kA ve Imax \u2265 40 kA.<\/p>\r\n<\/li>\r\n \t Hassas y\u00fcklerde: Tip 3, elektronik cihazlar\u0131n izolasyon dayan\u0131m\u0131n\u0131n alt\u0131na d\u00fc\u015f\u00fcrmek i\u00e7in.<\/p>\r\n<\/li>\r\n<\/ul>\r\n SPD'nin derecelendirmelerini sisteminizle e\u015fle\u015ftirin:<\/p>\r\n\r\n Uc: 230\/240V sistemler i\u00e7in 275V AC.<\/p>\r\n<\/li>\r\n \t Yukar\u0131: Ekipman yal\u0131t\u0131m kategorisinden daha d\u00fc\u015f\u00fck olmal\u0131d\u0131r (IEC 60664: Cat II \u2248 2,5 kV, Cat III \u2248 4 kV).<\/p>\r\n<\/li>\r\n \t In\/Imax\/Iimp: Kurulum seviyesine ve risk b\u00f6lgesine g\u00f6re.<\/p>\r\n<\/li>\r\n<\/ul>\r\n SPD'ler birlikte \u00e7al\u0131\u015fmal\u0131d\u0131r. Yukar\u0131 y\u00f6ndeki cihaz, y\u0131k\u0131c\u0131 voltaj\u0131 a\u015fa\u011f\u0131 y\u00f6nde ge\u00e7irmeden enerjiyi absorbe etmeli, a\u015fa\u011f\u0131 y\u00f6ndeki SPD ise koruman\u0131n ince ayar\u0131n\u0131 yapmal\u0131d\u0131r. Cihazlar aras\u0131nda en az 10 metre mesafe b\u0131rak\u0131n veya uygun enerji payla\u015f\u0131m\u0131n\u0131 sa\u011flamak i\u00e7in dekuplaj end\u00fcktans\u0131 ekleyin.<\/p>\r\n\r\n Her SPD yedek koruma gerektirir. SPD entegre bir sigorta i\u00e7ermedi\u011fi s\u00fcrece seri olarak bir MCB veya sigorta tak\u0131n. Bu, SPD \u00f6mr\u00fcn\u00fcn sonuna ula\u015ft\u0131\u011f\u0131nda k\u0131sa devre olaylar\u0131n\u0131 \u00f6nler.<\/p>\r\n\r\n SPD'ler zamanla bozulur. \u015eunlara sahip modelleri se\u00e7in:<\/p>\r\n\r\n Ye\u015fil\/k\u0131rm\u0131z\u0131 ko\u015fullar\u0131 g\u00f6steren durum g\u00f6sterge pencereleri.<\/p>\r\n<\/li>\r\n \t Kontrol sistemlerinde izleme i\u00e7in uzaktan sinyal kontaklar\u0131.<\/p>\r\n<\/li>\r\n \t De\u011fi\u015ftirilebilir eklenti mod\u00fclleri sayesinde bak\u0131m s\u0131ras\u0131nda kablolar\u0131n yeniden d\u00f6\u015fenmesi gerekmez.<\/p>\r\n<\/li>\r\n<\/ul>\r\n Bu ad\u0131m ad\u0131m s\u00fcreci takip etmek, tek fazl\u0131 SPD'nizin yaln\u0131zca do\u011fru \u015fekilde derecelendirilmesini de\u011fil, ayn\u0131 zamanda uzun vadeli g\u00fcvenilirlik i\u00e7in do\u011fru \u015fekilde kurulmas\u0131n\u0131 ve bak\u0131m\u0131n\u0131n yap\u0131lmas\u0131n\u0131 da sa\u011flar.<\/p>\r\n\r\n En iyi tek fazl\u0131 koruma cihazlar\u0131 bile yanl\u0131\u015f monte edilirse ar\u0131zalan\u0131r. \u015eu m\u00fchendislik ilkelerini izleyin:<\/p>\r\n\r\n Kablolar\u0131 k\u0131sa ve do\u011frudan, 0,5 m'den k\u0131sa tutun.<\/p>\r\n<\/li>\r\n \t Ba\u011flant\u0131 dalgalanmalar\u0131n\u0131 \u00f6nlemek i\u00e7in g\u00fc\u00e7 ve sinyal kablolar\u0131n\u0131 ay\u0131r\u0131n.<\/p>\r\n<\/li>\r\n \t SPD kablolar\u0131n\u0131 korumal\u0131 devrelerle birle\u015ftirmeyin.<\/p>\r\n<\/li>\r\n \t SPD topraklamas\u0131n\u0131 her zaman en yak\u0131n e\u015f potansiyel ba\u011flant\u0131 \u00e7ubu\u011funa ba\u011flay\u0131n.<\/p>\r\n<\/li>\r\n \t Farkl\u0131 SPD a\u015famalar\u0131 aras\u0131ndaki koordinasyon mesafelerine sayg\u0131 g\u00f6sterin.<\/p>\r\n<\/li>\r\n<\/ul>\r\n Yayg\u0131n hatalar aras\u0131nda yaln\u0131zca bir a\u015faman\u0131n kurulmas\u0131, TT sistemlerinde N-PE korumas\u0131n\u0131n unutulmas\u0131 veya SPD'lerin ger\u00e7ek ihtiya\u00e7 olmadan a\u015f\u0131r\u0131 boyutland\u0131r\u0131lmas\u0131 yer al\u0131r. Bunlar\u0131n her biri koruma verimlili\u011fini azalt\u0131r ve hi\u00e7bir fayda sa\u011flamadan maliyetleri art\u0131r\u0131r.<\/p>\r\n\r\n Konut uygulamalar\u0131<\/strong>: Ana da\u011f\u0131t\u0131m panosuna monte edilen Tip 2 SPD (20 kA'da, Imax 40 kA, Yukar\u0131 < 1,5 kV), ev elektroniklerini \u015febeke bozulmalar\u0131ndan korur.<\/p>\r\n<\/li>\r\n \t Ticari Binalar<\/strong>: Ana santraldeki Tip 1+2 SPD ile kat da\u011f\u0131t\u0131m panellerindeki Tip 2 SPD'ler bir araya gelerek hizmetin s\u00fcreklili\u011fini sa\u011flar.<\/p>\r\n<\/li>\r\n \t End\u00fcstriyel Tesisler<\/strong>: Servis giri\u015finde 25 kA Iimp dereceli Tip 1 SPD'ler, motor kontrol merkezlerinde koordineli Tip 2 SPD'ler ve PLC'leri koruyan Tip 3 SPD'ler.<\/p>\r\n<\/li>\r\n \t Solar PV Sistemleri<\/strong>: DC taraf\u0131nda PV dereceli SPD'leri kullan\u0131n. AC taraf\u0131nda, invert\u00f6r \u00e7\u0131k\u0131\u015f\u0131ndaki Tip 2 tek fazl\u0131 SPD, hem invert\u00f6r\u00fc hem de \u015febeke aray\u00fcz\u00fcn\u00fc korur.<\/p>\r\n<\/li>\r\n<\/ul>\r\n Do\u011fru Tek Fazl\u0131 A\u015f\u0131r\u0131 Gerilim Koruma Cihaz\u0131n\u0131 se\u00e7mek, bir veri sayfas\u0131n\u0131 taramaktan daha fazlas\u0131n\u0131 gerektirir. Bu, sisteminizi anlamak, riskleri de\u011ferlendirmek, IEC standartlar\u0131n\u0131 uygulamak ve parametreleri dikkatlice e\u015fle\u015ftirmek anlam\u0131na gelir.<\/p>\r\n\r\n Giri\u015fte Tip 1 ile y\u0131ld\u0131r\u0131mdan korunun.<\/p>\r\n<\/li>\r\n \t Da\u011f\u0131t\u0131mda sa\u011flam Tip 2 cihazlara g\u00fcvenin.<\/p>\r\n<\/li>\r\n \t Hassas elektronikler i\u00e7in kullan\u0131m noktas\u0131nda Tip 3'\u00fc ekleyin.<\/p>\r\n<\/li>\r\n \t Topraklama sisteminize, kablolama uygulamalar\u0131n\u0131za ve bak\u0131m ihtiya\u00e7lar\u0131n\u0131za her zaman sayg\u0131 g\u00f6sterin.<\/p>\r\n<\/li>\r\n<\/ul>\r\n Elektrik m\u00fchendisleri ve sat\u0131n alma uzmanlar\u0131, bu ilkeleri uygulayarak sistemlerinin yaln\u0131zca uyumlu olmas\u0131n\u0131 de\u011fil ayn\u0131 zamanda dayan\u0131kl\u0131, uygun maliyetli ve gelece\u011fe haz\u0131r olmas\u0131n\u0131 da sa\u011flayabilirler.<\/p>","protected":false},"featured_media":2175,"parent":0,"menu_order":120,"template":"","meta":{"_acf_changed":false},"blog_category":[8],"class_list":["post-2176","blog","type-blog","status-publish","has-post-thumbnail","hentry","blog_category-company-news"],"acf":{"des":"This blog provides a comprehensive guide on how to choose Single-Phase Surge Protection Devices for residential, commercial, and industrial applications. It explains SPD classifications under IEC standards, technical parameters like Uc, Up, In, Imax, and Iimp, wiring configurations for TT and TN systems, and a detailed step-by-step selection process. With practical installation tips and real-world application cases, the article offers engineers and procurement specialists actionable insights to ensure reliable surge protection.","txt":" Surges are one of the most underestimated threats in electrical systems. A sudden overvoltage, whether caused by lightning, grid switching, or even internal equipment, can degrade insulation, trip breakers, or destroy sensitive devices in an instant. A Single-Phase Surge Protection Device (SPD) is the first line of defense. It diverts excess energy to earth and ensures that the voltage reaching your equipment stays within safe limits.<\/p>\r\n For electrical engineers and procurement specialists, the challenge is not whether to use a single phase SPD, but how to choose the right one. This guide provides a clear, technical, and practical approach that combines international standards, engineering best practices, and real-world experience.<\/p>\r\n\r\n A Single-Phase Surge Protection Device is installed in 230\/240V single-phase AC systems to guard against transient overvoltages. It operates by remaining passive under normal voltage, but as soon as a surge occurs, it becomes a low-impedance path and redirects the surge current to the ground.<\/p>\r\n Single phase protection devices are widely applied in residential distribution boards, commercial buildings, solar photovoltaic systems, and industrial control panels. In each case, they extend the lifetime of equipment, reduce downtime, and provide compliance with modern safety requirements.<\/p>\r\n The selection of a surge protection device single phase must be aligned with international standards, primarily IEC 61643-11<\/strong><\/a> and IEC 61643-12<\/strong><\/a>. These define the testing waveforms, classification, and installation guidelines:<\/p>\r\n\r\n\r\n \t
Dikkate Al\u0131nmas\u0131 Gereken Temel Parametreler<\/h2>\r\n
\r\n \t
Sistem Topraklama ve Kablolama Yap\u0131land\u0131rmalar\u0131<\/h2>\r\n
\r\n \t
Ad\u0131m Ad\u0131m Se\u00e7im K\u0131lavuzu<\/h2>\r\n
1. Ad\u0131m: Riski ve Maruz Kalmay\u0131 De\u011ferlendirin<\/strong><\/h3>\r\n
Ad\u0131m 2: Topraklama Sistemini Tan\u0131mlay\u0131n<\/strong><\/h3>\r\n
3. Ad\u0131m: Koruma A\u015famas\u0131n\u0131 Tan\u0131mlay\u0131n<\/strong><\/h3>\r\n
\r\n \t
Ad\u0131m 4: Teknik Derecelendirmeleri Se\u00e7in<\/strong><\/h3>\r\n
\r\n \t
Ad\u0131m 5: A\u015famalar Aras\u0131ndaki Koordinasyonu Planlay\u0131n<\/strong><\/h3>\r\n
Ad\u0131m 6: Uygun A\u015f\u0131r\u0131 Ak\u0131m Korumas\u0131n\u0131 Sa\u011flay\u0131n<\/strong><\/h3>\r\n
Ad\u0131m 7: Hizmet \u00d6mr\u00fcn\u00fc ve Bak\u0131m\u0131 D\u00fc\u015f\u00fcn\u00fcn<\/strong><\/h3>\r\n
\r\n \t
Pratik Kurulum \u0130pu\u00e7lar\u0131 ve Yayg\u0131n Hatalar<\/h2>\r\n
\r\n \t
\u00d6rnek Uygulamalar<\/h2>\r\n
\r\n \t
\u00c7\u00f6z\u00fcm<\/h2>\r\n
\r\n \t
Introduction<\/h2>\r\n
What is a Single-Phase Surge Protection Device?<\/h2>\r\n
<\/a><\/p>\r\n\r\nIEC Standards and SPD Classification<\/h2>\r\n