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KY-40/G600 DC Surge Protective Device (Type 2, 600V)
- إن 600v dc spd KY-40/G600 provides Type 2 surge protection for photovoltaic DC systems.
- Compact DIN-rail design with status indication and optional alarm contacts, compliant with IEC 61643-31.
- Suitable for PV combiner boxes and inverter DC terminals, with shared T2 wiring/dimension diagrams.
لمحة عامة
إن 600v dc spd KY-40/G600 is a Type 2 DC surge protective device مصممة من أجل
صناديق التجميع الكهروضوئية, string inputs, and inverter DC terminals up to 600VDC.
It limits residual overvoltage caused by indirect lightning and switching surges, protecting PV equipment and cables.
Fully compliant with IEC 61643-31, CE, UKCA, and RoHS certifications.
الميزات الرئيسية
- 600v dc spd Type 2 device for PV strings and combiner boxes.
- Replaceable module with clear status indicator for easy maintenance.
- Optional alarm contacts (NO/NC), reserved per datasheet.
- DIN-rail mount, flame-retardant housing (UL94-V0), compact size.
- Coordinates with صمامات gPVV و
مفاتيح فصل التيار المستمر in a complete
DC surge protection system.
المواصفات
| النوع | Type 2 (T2) |
|---|---|
| System Voltage (Ucpv) | 600 V DC |
| Nominal Discharge Current (In) | 20 كيلو أمبير |
| Maximum Discharge Current (Imax) | 40 كيلو أمبير |
| Voltage Protection Level (Up) | ≤ 3.0 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
- PV combiner boxes and inverter DC terminals operating at 600VDC.
- Residential and small commercial rooftops requiring Type 2 surge protection.
- Coordination with upstream fuses and disconnectors in distributed PV systems.
FAQs
Q1. When should I use a 600v dc spd Type 2 device in PV systems?
Use KY-40/G600 at PV string or inverter inputs to limit residual surge voltage from indirect lightning and switching events.
Q2. Can KY-40/G600 be installed inside a PV combiner box?
Yes. It is designed for PV combiner boxes and inverter DC terminals at 600VDC; follow the wiring diagram and datasheet terminals.
Q3. Does KY-40/G600 support remote alarm indication?
Yes. Alarm terminals (NO/NC) are reserved as per the datasheet, rated 220V 0.5A.
Q4. Which standards apply to KY-40/G600?
IEC 61643-31, GB/T 18802.31, CE, UKCA, and RoHS certifications are covered.
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المراجعات
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