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KY-40/G1500 Dispositif de protection contre les surtensions en courant continu (Type 2, 1500V)
- Le 1500v dc spd KY-40/G1500 provides advanced Type 2 surge protection for modern PV systems.
- Designed for utility-scale solar plants, central inverters, and large PV combiner boxes operating at 1500VDC.
- IEC 61643-31 certified, DIN-rail design, shared wiring and dimension diagrams with KY T2 series.
Vue d'ensemble
Le 1500v dc spd KY-40/G1500 is a Type 2 surge protective device optimized for
high-voltage photovoltaic installations. With support for 1500VDC arrays, it ensures reliable surge
suppression for Boîtes de raccordement PV, inverter DC inputs, and DC feeders in
utility-scale solar farms. This model is the preferred choice for large projects where efficiency and safety at
higher system voltages are critical. Compliant with
IEC 61643-31CE, UKCA et RoHS.
Caractéristiques principales
- 1500v dc spd Type 2 protection for large PV arrays, central inverters, and high-voltage combiner boxes.
- Enhanced discharge capacity to meet the needs of utility-scale and ground-mounted PV plants.
- Modular replaceable cartridges with visible indicator for maintenance.
- Remote alarm contacts (NO/NC) available, enabling monitoring in large PV installations.
- Part of the KY T2 surge protection series, designed for seamless integration with fuses and disconnectors.
Spécifications
| Type | Type 2 (T2) |
|---|---|
| Tension du système (Ucpv) | 1500 V DC |
| Courant de décharge nominal (In) | 20 kA |
| Courant de décharge maximal (Imax) | 40 kA |
| Niveau de protection de la tension (Up) | ≤ 5.0 kV |
| Temps de réponse (ta) | < 25 ns |
| Résistance aux courts-circuits des PV (Iscpv) | 20 kA |
| Mode de protection / Topologie | Type U |
| Contact d'alarme (en option) | 220V, 0.5A, NO/NC |
| Fusible amont recommandé | LS7-50k (selon la fiche technique) |
| Câblage / Bornes | 6-35 mm² bornes à vis |
| Montage | Rail DIN 35 mm |
| Enceinte / Inflammabilité | Boîtier en plastique, UL94-V0 |
| Conditions de fonctionnement | -40℃ ~ +70℃ ; ≤95% RH |
| Dimensions (L×H×P) | 36 × 83 × 67 mm |
| Normes et conformité | IEC 61643-31:2018, GB/T 18802.31, CE, UKCA, RoHS |
Câblage et dimensions
Applications
- Utility-scale solar plants and ground-mounted PV farms designed with 1500V arrays.
- Central and string inverters operating at 1500VDC inputs.
- Large-scale PV combiner boxes requiring stable Type 2 surge protection.
FAQ
Q1. What makes the 1500v dc spd KY-40/G1500 suitable for large PV plants?
It supports 1500V systems and offers high surge capacity, making it ideal for utility-scale PV farms and centralized inverters.
Q2. Can KY-40/G1500 be integrated with central inverters?
Yes. It is specifically designed to protect inverter DC inputs and feeders at 1500VDC.
Q3. Does the KY-40/G1500 include alarm contacts?
Yes. Optional NO/NC alarm terminals are available, allowing remote monitoring in large PV projects.
Q4. Which certifications does KY-40/G1500 comply with?
IEC 61643-31, GB/T 18802.31, CE, UKCA, and RoHS certifications are included.
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