منطقة ونغ يانغ الصناعية يويتشينغ ونتشو 325000
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KY-40/G1000 DC Surge Protective Device (Type 2, 1000V)
- إن 1000v dc spd KY-40/G1000 delivers reliable Type 2 surge protection for photovoltaic DC systems.
- Designed for inverter DC inputs and PV combiner boxes in commercial rooftop and industrial solar plants.
- IEC 61643-31 certified, DIN-rail mounted, with shared T2 wiring & dimension diagrams.
لمحة عامة
إن 1000v dc spd KY-40/G1000 is a Type 2 surge protective device tailored for
صناديق التجميع الكهروضوئية and inverter DC inputs in 1000VDC solar arrays.
Compared with 600V models, it supports higher system voltage, making it the standard choice for modern commercial and
industrial PV plants. Fully compliant with
IEC 61643-31, CE, UKCA, and RoHS.
الميزات الرئيسية
- 1000v dc spd Type 2 device for higher-voltage PV systems, inverter inputs, and combiner boxes.
- High discharge capacity for medium- to large-scale PV plants.
- Replaceable modules with visible indicator for quick inspection.
- Optional remote alarm contacts (NO/NC), as specified in the datasheet.
- Compact DIN-rail design suitable for photovoltaic surge protection systems.
المواصفات
| النوع | Type 2 (T2) |
|---|---|
| System Voltage (Ucpv) | 1000 V DC |
| Nominal Discharge Current (In) | 20 كيلو أمبير |
| Maximum Discharge Current (Imax) | 40 كيلو أمبير |
| Voltage Protection Level (Up) | ≤ 4.0 kV |
| Response Time (ta) | < 25 نانو ثانية |
| PV Short-Circuit Withstand (Iscpv) | 20 كيلو أمبير |
| 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 |
| التركيب | سكة DIN 35 مم |
| Enclosure / Flammability | Plastic housing, UL94-V0 |
| Operating Conditions | -40℃ ~ +70℃; ≤95% RH |
| Dimensions (W×H×D) | 36 × 83 × 67 mm |
| المعايير والامتثال | IEC 61643-31:2018, GB/T 18802.31, CE, UKCA, RoHS |
Wiring & Dimension
التطبيقات
- Commercial rooftop PV systems using 1000VDC strings and inverters.
- Industrial PV plants requiring stable Type 2 surge protection.
- Medium-scale ground-mounted solar farms designed with 1000V arrays.
FAQs
Q1. Why choose a 1000v dc spd Type 2 instead of a 600V model?
The KY-40/G1000 is suitable for higher voltage PV systems (1000VDC) common in commercial and industrial solar projects.
Q2. Can KY-40/G1000 protect inverter DC terminals?
Yes. It is designed for direct installation on inverter DC inputs rated up to 1000VDC.
Q3. Does KY-40/G1000 include replaceable cartridges?
Yes. The modular design allows quick replacement and status monitoring via visual indicator.
Q4. Which standards does KY-40/G1000 comply with?
IEC 61643-31, GB/T 18802.31, CE, UKCA, and RoHS certifications are covered.
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