Siguranta MCB de Circuit Fotovoltaic DC 1000V - 2P / 63A
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Siguranta MCB bipolara DC 1000V pentru sisteme fotovoltaice
Siguranta MCB de circuit fotovoltaic DC 1000V - 2P / 63A protejeaza instalatia solara impotriva scurtcircuitelor si suprasarcinilor, prevenind deteriorarea echipamentelor sau riscul de incendiu. Este conceputa exclusiv pentru curent continuu (DC), spre deosebire de sigurantele AC conventionale care nu sunt adecvate in astfel de aplicatii. Formatul compact pe sina DIN o face potrivita pentru orice tablou electric fotovoltaic, rezidential sau industrial.
Ce obtii cu acest produs
- Protectie reala a panourilor solare si a invertorului — intervine automat la scurtcircuit sau suprasarcina, limitand daunele materiale
- Tensiune DC 1000V suportata nativ — proiectata pentru circuite fotovoltaice, nu o adaptare a unei siguante AC
- Bipolar (2 poli) — intrerupe simultan ambii conductori ai circuitului DC, conform bunelor practici de siguranta in instalatiile solare
- Montare rapida pe sina DIN 35mm — se fixeaza in tabloul electric in cateva minute, fara scule speciale
- Capacitate de rupere 10000A — face fata curentilor de scurtcircuit intalniti in instalatiile fotovoltaice de dimensiuni medii si mari
- Constructie robusta DALBI NTS-63 — rezistenta la vibratii, temperaturi variabile si utilizare indelungata in medii tehnice solicitante
Cum functioneaza si cum se instaleaza
Siguranta MCB bipolare DC se monteaza pe sina DIN 35mm in tabloul de distributie fotovoltaic, pe ramura de curent continuu dintre panourile solare si invertor. Mecanismul termomagneticreactioneaza la suprasarcina prelungita (protectie termica) si la scurtcircuit instantaneu (protectie magnetica), deconectand automat circuitul pe ambii poli simultan. Reconectarea se face manual, dupa identificarea si remedierea cauzei, prin simpla actionare a manerului.
Intrebari frecvente
Pot folosi o siguranta MCB AC obisnuita in locul acesteia pentru panouri solare?
Nu. Sigurantele AC standard nu sunt omologate pentru curent continuu si nu pot stinge arcul electric DC in mod sigur, ceea ce creeaza risc de incendiu. Aceasta siguranta este certificata specific pentru DC 1000V.
Ce curent nominal trebuie sa aleg — 25A, 32A sau 63A?
Curentul nominal se alege in functie de curentul maxim generat de sirul de panouri solare conectat pe acea ramura. Valoarea trebuie sa fie egala sau imediat superioara curentului de scurtcircuit (Isc) al sirului, conform fiselor tehnice ale panourilor.
Siguranta aceasta functioneaza si ca separator de circuit (disconnector)?
Da, manerul MCB permite si deconectarea manuala deliberata a circuitului, putand fi folosit ca punct de izolare in timpul lucrarilor de mentenanta, cu conditia respectarii normelor de securitate specifice instalatiilor fotovoltaice.
Specificatii tehnice
| Model | DALBI NTS-63 |
| Tip | MCB (Miniature Circuit Breaker) DC |
| Numar poli | 2P (Bipolar) |
| Tensiune nominala | DC 1000V |
| Curent nominal | 25A (conform imagine produs) |
| Capacitate de rupere | 10000A (10kA) |
| Curba de declansare | C |
| Montaj | Sina DIN 35mm |
| Aplicatie | Circuite fotovoltaice DC |
| SKU | Q-16G005 |
Garantie si suport
Produsul beneficiaza de garantie 2 ani conform legislatiei romane in vigoare. Acceptam retururi in termen de 30 de zile de la data receptiei, fara a fi necesara o justificare. Livrarea se efectueaza rapid prin curier, cu confirmare de expediere si tracking disponibil.
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