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Disjoncteur DC 3P 750V | KYDB-63-3P
Kuangya KYDB-63-3P is a disjoncteur dc 3p 750v, rated 10–63A.
Provides reliable short-circuit and overload protection with 6kA/10kA breaking capacity.
Triple-pole 750VDC breaker, IEC 60947-2 certified, DIN-rail mounted
Vue d'ensemble
Le disjoncteur dc 3p 750v (model KYDB-63-3P) delivers reliable triple-pole DC protection for PV combiner boxes, energy storage systems (ESS), and industrial DC distribution. With current ratings from 6A to 63A, it provides dependable overload and short-circuit protection at 750VDC. Insulation strength is ensured by Ui 690V et Uimp 6kV, supporting long-term performance in demanding environments.
Caractéristiques principales
- Rated voltage: 750VDC (3P); frame current: 63A
- Rated current options: 6A / 10A / 16A / 20A / 25A / 32A / 63A
- Breaking capacity: 6kA (Icn); Operating short-circuit capacity: 6kA (Ics)
- Trip characteristics: C / D, thermal-magnetic
- Insulation & impulse: Ui 690V; Uimp 6kV
- Endurance : Mechanical life 20,000 ops; Electrical life 2,000 ops
- Compliance: IEC 60947-2, GB/T 14048.2; CE & UL
- Coordonne avec Boîtes de raccordement PV, Fusibles DC, DC SPDset Interrupteurs-sectionneurs à courant continu
Spécifications
| Modèle | KYDB-63-3P |
|---|---|
| Pôles | 3P |
| Courant nominal (In) | 6–63A |
| Tension nominale (Ue) | 750VDC |
| Rated Insulation Voltage (Ui) | 690V |
| Impulse Withstand Voltage (Uimp) | 6kV |
| Capacité de rupture (Icn/Ics) | 6kA / 6kA |
| Trip Characteristics | C / D (thermal-magnetic) |
| Durée de vie mécanique | 20,000 operations |
| Durée de vie électrique | 2,000 operations |
| Installation | DIN-rail, width 54mm (18mm × 3 poles) |
| Normes | IEC 60947-2, GB/T 14048.2 |
Wiring Diagram & Dimensions
Applications
- Large-scale PV arrays and strings
- Energy storage system (ESS) DC buses
- Industrial DC distribution and control panels
- Telecommunication and infrastructure DC power
FAQ
Q1: What is a dc circuit breaker 3p 750v?
A1: It is a triple-pole miniature DC breaker rated at 750VDC, designed to protect DC circuits from overloads and short-circuits.
Q2: What current ratings are available for KYDB-63-3P?
A2: 6A, 10A, 16A, 20A, 25A, 32A, and 63A.
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 disjoncteur dc 3p 750v est couramment utilisé dans les Boîtes de raccordement PV et la distribution de courant continu de l'ESS.
Q5: Which standards does KYDB-63-3P comply with?
A5: It complies with IEC 60947-2, GB/T 14048.2, CE and UL requirements.
Obtenir un devis
Contact Kuangya for datasheets, wiring diagrams, or OEM customization of KYDB-63-3P.
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