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KY-15T/G1500 — T1+T2 DC Surge Protective Device (1500V)
(1) The 1500v dc spd t1+t2 KY-15T/G1500 provides combined Type 1+2 surge protection for photovoltaic DC systems.
(2) Designed for utility-scale PV plants, inverters, and combiner boxes, compliant with IEC 61643-31 and CE/UKCA/RoHS.
(3) Features replaceable modules, remote alarm option, and shared wiring/dimension diagrams for T1+T2 series.
لمحة عامة
إن 1500v dc spd t1+t2 KY-15T/G1500 is a combined Type 1+2 surge protective device
لـ صناديق التجميع الكهروضوئية, inverter DC inputs, and DC feeders up to 1500VDC.
It safely handles lightning current discharge while limiting residual voltage, ensuring reliable protection
for photovoltaic systems. Fully compliant with
IEC 61643-31, CE, UKCA, and RoHS standards.
الميزات الرئيسية
- Combined 1500v dc spd t1+t2 protection for photovoltaic arrays and inverters.
- High discharge capacity and low residual voltage for utility and C&I PV projects.
- Replaceable module design with clear status indicator.
- Remote alarm contacts reserved (NO/NC, per datasheet).
- Compact DIN-rail design with flame-retardant housing (UL94-V0).
المواصفات
| النوع | T1+T2 |
|---|---|
| System Voltage (Ucpv) | 1500 V DC |
| Nominal Discharge Current (In) | 20 كيلو أمبير |
| Maximum Discharge Current (Imax) | 40 كيلو أمبير |
| Impulse Current (Iimp) | 6.25 kA |
| Voltage Protection Level (Up) | ≤ 5.5 kV |
| Response Time (ta) | < 25 نانو ثانية |
| Admissible Short-Circuit Current (Iscpv) | 10 kA |
| Remote Alarm Contact | 220V, 0.5A, NO/NC |
| المعايير | IEC 61643-31, GB/T 18802.31, CE, UKCA, RoHS |
Wiring & Dimension
Dimension:
التطبيقات
- Utility-scale PV plants and large solar farms requiring 1500V DC surge protection.
- Commercial and industrial PV rooftops with higher DC system voltage.
- Critical infrastructure PV installations exposed to frequent lightning surges.
FAQs
Q1. What is the role of a 1500v dc spd t1+t2 in PV systems?
It provides both lightning current (Type 1) and surge voltage (Type 2) protection, suitable for main DC entry points in 1500V PV plants.
Q2. Can the 1500v dc spd t1+t2 be installed in PV inverters?
Yes, KY-15T/G1500 is designed for inverter DC inputs up to 1500V, preventing overvoltage and ensuring inverter safety.
Q3. How does KY-15T/G1500 compare to 1000V SPD models?
It supports higher system voltage (1500V) and is ideal for large-scale PV plants where higher voltage strings are used.
Q4. Which standards cover KY-15T/G1500?
IEC 61643-31, GB/T 18802.31, CE, UKCA, and RoHS certifications are covered.
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