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Disyuntor CC 2P 500V 125A | KYDB-125-2P
Kuangya KYDB-125-2P is a dc circuit breaker 2p 500v 125a, available in 63A / 80A / 100A / 125A.
Provides dependable overload & short-circuit protection with 6kA breaking capacity.
Double-pole DIN-rail breaker, IEC 60947-2 certified, for PV, ESS & industrial systems.
Visión general
En dc circuit breaker 2p 500v 125a (model KYDB-125-2P) is a double-pole miniature DC breaker engineered for solar PV combiner boxes, energy storage (ESS), and industrial DC distribution systems. Rated for 500VDC and available in 63A / 80A / 100A / 125A, it ensures overload and short-circuit protection with a 6kA breaking capacity. Ui 690V and Uimp 6kV provide strong insulation performance for demanding environments.
Características principales
- Tensión nominal: 500VDC (2P); frame current: 125A
- Current options: 63A / 80A / 100A / 125A
- Breaking capacity: 6kA (Icn/Ics)
- Trip characteristics: C / D, thermal-magnetic
- Insulation & impulse: Ui 690V; Uimp 6kV
- Resistencia: Mechanical life 20,000 ops; Electrical life 2,000 ops
- Compliance: IEC 60947-2, GB/T 14048.2; CE & UL
- Works with Cajas de conexiones fotovoltaicas, Fusibles CC, DC SPDy Interruptores-seccionadores de CC
Especificaciones
| Modelo | KYDB-125-2P |
|---|---|
| Postes | 2P |
| Corriente nominal (In) | 63A / 80A / 100A / 125A |
| Tensión nominal (Ue) | 500VDC |
| Rated Insulation Voltage (Ui) | 690V |
| Impulse Withstand Voltage (Uimp) | 6kV |
| Capacidad de rotura (Icn/Ics) | 6kA / 6kA |
| Trip Characteristics | C / D |
| Mechanical Life | 20,000 operations |
| Electrical Life | 2,000 operations |
| Instalación | DIN-rail, width 36mm (18mm × 2 poles) |
| Normas | IEC 60947-2, GB/T 14048.2 |
Wiring Diagram & Dimensions
Aplicaciones
- Solar PV combiner boxes
- Energy storage system (ESS) DC buses
- Industrial DC distribution panels
- Telecom and infrastructure DC power supply
PREGUNTAS FRECUENTES
Q1: What is a dc circuit breaker 2p 500v 125a?
A1: It is a double-pole miniature DC breaker rated at 500VDC and up to 125A, providing overload and short-circuit protection.
Q2: What current ratings are available?
A2: KYDB-125-2P supports 63A, 80A, 100A, and 125A.
Q3: What is the breaking capacity?
A3: Standard breaking capacity is 6kA (Icn/Ics).
Q4: Can it be used in PV and ESS systems?
A4: Yes, this dc circuit breaker 2p 500v 125a is commonly applied in Cajas de conexiones fotovoltaicas and ESS systems.
Q5: Which standards does KYDB-125-2P comply with?
A5: Cumple las certificaciones IEC 60947-2, GB/T 14048.2, CE y UL.
Get a Quote
Contact Kuangya for datasheets, wiring diagrams, or OEM customization of KYDB-125-2P.
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