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Adresse
304 Nord Kardinal
St. Dorchester Center, MA 02124
Arbeitszeiten
Montag bis Freitag: 7AM - 7PM
Am Wochenende: 10AM - 5PM












Kuangya KYDB-125-4P is a dc schutzschalter 4p 1000v 125a, available in 63A / 80A / 100A / 125A.
Four-pole protection at 1000VDC with 6kA breaking capacity; Ui 690V, Uimp 6kV.
IEC 60947-2 compliant, DIN-rail installation for PV, ESS & industrial DC systems.
Die dc schutzschalter 4p 1000v 125a (Modell KYDB-125-4P) delivers heavy-duty four-pole DC protection for high-voltage PV combiner boxes, energy storage systems (ESS), and industrial DC distribution. Rated for 1000VDC and available in 63A / 80A / 100A / 125A, it provides reliable overload and short-circuit protection with a 6kA breaking capacity. Insulation performance is ensured by Ui 690V und Uimp 6kV, supporting long-term operation in demanding environments.
| Modell | KYDB-125-4P |
|---|---|
| Pole | 4P |
| Nennstrom (In) | 63A / 80A / 100A / 125A |
| Nennspannung (Ue) | 1000VDC |
| Bemessungsisolationsspannung (Ui) | 690V |
| Stoßspannungsfestigkeit (Uimp) | 6kV |
| Ausschaltvermögen (Icn/Ics) | 6kA / 6kA |
| Merkmale der Reise | C / D (thermisch-magnetisch) |
| Mechanische Lebensdauer | 20.000 Operationen |
| Elektrische Lebensdauer | 2.000 Operationen |
| Einrichtung | DIN-rail, width 72mm (18mm × 4 poles) |
| Normen | IEC 60947-2, GB/T 14048.2 |

A1: It is a four-pole miniature DC breaker rated at 1000VDC and up to 125A, designed to provide overload and short-circuit protection in high-voltage DC systems.
A2: KYDB-125-4P supports 63A, 80A, 100A, and 125A.
A3: The breaker offers a standard breaking capacity of 6kA (Icn/Ics).
A4: Ja, das dc schutzschalter 4p 1000v 125a is widely applied in PV-Kombinatorkästen und ESS DC Distribution.
A5: It complies with IEC 60947-2, GB/T 14048.2, and meets CE & UL requirements.
Contact Kuangya for datasheets, wiring diagrams, or OEM customization of KYDB-125-4P.
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