English
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Features/Benefits
Easyinstallation or retrofit
Din-rail mountable
Fail-safe /self-protected design
Remote indicator(optional)with 3 pin NO/NC contact
IP20 finger-safe design
Visual indicator
Small foot print
Photovoltaic systemsAC/DC distributionPower suppliesndustrial automationTelecommunicationsMotor controls systemsPLC applicationsPower transfer equipmentHVAC applicationsUPS systemsSecurity systemsT/Data centersMedical equipment
Plug-in format
SKD1-C40-PVseries ofDC Surge Protective Device (SPD) for use in Photovoltaicapplications.surge protective devices provide protection from lightning current andovervoltage surgesin system from 500Vdc to 1500Vdc.
Providing power with photovoltaic solar panels is tremendously interesting in thecontext of renewable energy sources, as regards economical photovoltaic systemsconnected to the public electricity network.Because oftheir exposition, frequentlyin isolated sites and of the extended surface of photovoltaic systems (PV), lightnincstrikes are a major components in the risk to be assumed, both for the direct effectoflightning on the structures, and of the surge overvoltages on the installation.Cells are generally associated with inverters. We have developed a specifc DinRail product to protect DC side of cells and inverters against surge in power plant orresidentialapplication.
With the MOV (Metal Oxside Varistor), the overvoltage will be limited at the valueof the voltage protection level ofthe SKD1-C40-PV DC surge protector. Our surgeprotector, as recommended in standards and quides, insure all protections (between +and-,+ and Ground,- and Ground).On each surge arrester, as option, an availableauxiliary contact will inform the end life status to ensure a maximum effciency.
Data sheet
Model | SKD1-C40-PV-3P |
Network configuration | Photovoltaic(PV) |
Maximum continuous voltage(Uc) | 500/600/800/1000/120011500Vdc |
Type of SPD | Type 2 , class ll |
Nominal discharge current(8/20us)(ln) | 20kA |
Maximum discharge current(8/20us)(lmax） | 40kA |
Voltage protectionlevel (Up) | ≤1.8/2.5/3.2/3.5/4.0/4.5kV |
Response time(tA) | <25ns |
Thermal Protection | YES |
Operating State/Fault Indication | Green(good)/Red(replace) |
Degree of protection | IP 20 |
Insulating material/flammability class | PA66,UL94 V-0 |
Protective Elements | High Energy MOV |
Temperature range | （-40°C~+80°C） |
Altitude | 13123 ft [4000m] |
Conductor Cross Section(max） | 35mm2(Solid)/25mm2(Flexible) |
Remote Contacts(RC) | Optional |
Format | Pluggable |
Internal configuration | (Y) |
For mounting on | DIN rail 35mm |
Place of installation | indoor installation |
Standard | IEC61643-31 |
Dimensions
Internal configuration
Q 1: Surge Protector Selection
Q: How can I select an appropriate SKD surge protector?
A: Select it according to the required lightning protection level and the environment. For example, choose SKD1 - B for Class B lightning protection, which is used at the junction of LPZOB and LPZ1, etc.; choose SKD1 - C for Class C lightning protection, which is suitable for places like computer centers; choose SKD1 - D for Class D lightning protection, which is used to protect terminal loads. Also, refer to parameters such as the maximum continuous operating voltage.
Q 2: Importance of Technical Parameters
Q: Why are technical parameters such as the voltage protection level and discharge current of SKD surge protectors important?
A: The voltage protection level limits the over voltage. A lower value indicates better protection. The discharge current (nominal and maximum) reflects the ability to deal with surge currents. A higher value means it can handle strong lightning-induced surges and effectively protect the electrical system.
