Endereço
304 North Cardinal
St. Dorchester Center, MA 02124
Horas de trabalho
De segunda a sexta-feira: das 7h às 19h
Fim de semana: 10:00 - 17:00
Dispositivo de proteção contra surtos de CC KY-40/G1500 (Tipo 2, 1500V)
- O 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.
Visão geral
O 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 Caixas combinadoras fotovoltaicas, 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 61643-31, CE, UKCA, and RoHS.
Principais recursos
- 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.
Especificações
| Tipo | Type 2 (T2) |
|---|---|
| System Voltage (Ucpv) | 1500 V CC |
| Nominal Discharge Current (In) | 20 kA |
| Maximum Discharge Current (Imax) | 40 kA |
| Voltage Protection Level (Up) | ≤ 5.0 kV |
| Response Time (ta) | < 25 ns |
| PV Short-Circuit Withstand (Iscpv) | 20 kA |
| Protection Mode / Topology | U Type |
| Alarm Contact (optional) | 220V, 0.5A, NO/NC |
| Recommended Upstream Fuse | LS7-50k (per datasheet) |
| Wiring / Terminals | 6–35 mm² screw terminals |
| Montagem | 35 mm DIN rail |
| Enclosure / Flammability | Plastic housing, UL94-V0 |
| Condições operacionais | -40℃ ~ +70℃; ≤95% RH |
| Dimensions (W×H×D) | 36 × 83 × 67 mm |
| Padrões e conformidade | IEC 61643-31:2018, GB/T 18802.31, CE, UKCA, RoHS |
Wiring & Dimension
Aplicativos
- 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.
FAQs
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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