{"product_id":"descarcatoare-de-supratensiune-spd-385vac-20-40ka-4p","title":"Descarcatoare de supratensiune SPD 385VAC 20-40KA 4P","description":"\u003ch3\u003eDescarcator de supratensiune AC DALBi SPD-40 4P, T2, 385VAC, 20-40kA\u003c\/h3\u003e\n\u003cp\u003eDescarcatorul de supratensiune DALBi SPD-40 4P este destinat protectiei instalatiilor electrice trifazate impotriva supratensiunilor tranzitorii provocate de comutari in retea sau de efectele indirecte ale descarcarilor atmosferice. Acesta contribuie la protejarea echipamentelor electrice si electronice sensibile, reducand riscul deteriorarii acestora.\u003c\/p\u003e\n\u003cp\u003eDispozitivul este de tip \u003cstrong\u003eT2\u003c\/strong\u003e si se monteaza direct pe sina DIN, in tabloul electric. Functioneaza pe \u003cstrong\u003ecurent alternativ (AC)\u003c\/strong\u003e si are o tensiune maxima continua de lucru de \u003cstrong\u003e385 VAC\u003c\/strong\u003e. Cele 4 module sunt prevazute cu indicatoare vizuale de stare, care permit verificarea rapida a functionarii.\u003c\/p\u003e\n\u003cp\u003eConfiguratia \u003cstrong\u003e4P\u003c\/strong\u003e il face potrivit pentru instalatii \u003cstrong\u003etrifazate cu nul\u003c\/strong\u003e, avand borne separate pentru \u003cstrong\u003eL1, L2, L3 si N\u003c\/strong\u003e. Cu un curent nominal de descarcare de \u003cstrong\u003e20 kA\u003c\/strong\u003e si un curent maxim de descarcare de \u003cstrong\u003e40 kA\u003c\/strong\u003e, acest model ofera o protectie eficienta in aplicatii rezidentiale, comerciale si industriale.\u003c\/p\u003e\n\u003cp\u003eNivelul de protectie \u003cstrong\u003eUp ≤ 3.2 kV\u003c\/strong\u003e limiteaza supratensiunile la un nivel sigur pentru echipamentele conectate, contribuind la cresterea sigurantei intregii instalatii.\u003c\/p\u003e\n\u003ch3\u003eAplicatii recomandate\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eProtectia tablourilor electrice trifazate\u003c\/li\u003e\n\u003cli\u003eProtectia echipamentelor electrice si electronice sensibile\u003c\/li\u003e\n\u003cli\u003eInstalatii electrice rezidentiale, comerciale si industriale\u003c\/li\u003e\n\u003cli\u003eProtectia pe partea \u003cstrong\u003eAC\u003c\/strong\u003e a sistemelor fotovoltaice trifazate, daca instalatia si invertorul permit acest tip de descarcator\u003c\/li\u003e\n\u003cli\u003eUtilizare in circuite unde este necesara protectie la supratensiuni tranzitorii\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eUtilizare in sisteme solare\u003c\/h3\u003e\n\u003cp\u003eAcest descarcator poate fi utilizat \u003cstrong\u003epe partea AC\u003c\/strong\u003e a unui sistem fotovoltaic trifazat, de exemplu in tabloul electric sau la iesirea AC a invertorului.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eNu se recomanda\u003c\/strong\u003e montarea lui intre panourile fotovoltaice si invertor, pe partea \u003cstrong\u003eDC\u003c\/strong\u003e. Pentru acea zona trebuie utilizat un descarcator special \u003cstrong\u003eSPD DC\/PV\u003c\/strong\u003e, ales in functie de tensiunea sistemului fotovoltaic.\u003c\/p\u003e\n\u003ch3\u003eDetalii tehnice:\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eBrand: DALBi\u003c\/li\u003e\n\u003cli\u003eModel: SPD-40\u003c\/li\u003e\n\u003cli\u003eTip: T2\u003c\/li\u003e\n\u003cli\u003eTensiune maxima continua (Uc): 385 VAC\u003c\/li\u003e\n\u003cli\u003eCurent nominal de descarcare (In): 20 kA\u003c\/li\u003e\n\u003cli\u003eCurent maxim de descarcare (Imax): 40 kA\u003c\/li\u003e\n\u003cli\u003eNivel de protectie (Up): ≤ 3.2 kV\u003c\/li\u003e\n\u003cli\u003eNumar poli: 4P\u003c\/li\u003e\n\u003cli\u003eConfiguratie: 3L + N\u003c\/li\u003e\n\u003cli\u003eTip curent: AC\u003c\/li\u003e\n\u003cli\u003eMontaj: sina DIN\u003c\/li\u003e\n\u003cli\u003eIndicator stare: da\u003c\/li\u003e\n\u003cli\u003eMarcaj: CE\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eContinut pachet\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e1 x Descarcator de supratensiune DALBi SPD-40 4P\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Totally","offers":[{"title":"Default Title","offer_id":57019379351878,"sku":null,"price":109.0,"currency_code":"RON","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0972\/0329\/0438\/files\/ChatGPTImageJul27_2026_01_15_13AM_6.png?v=1785104379","url":"https:\/\/totally.ro\/products\/descarcatoare-de-supratensiune-spd-385vac-20-40ka-4p","provider":"Totally","version":"1.0","type":"link"}