Home > Products > DC/AC SPD > Dikai cheap surge protection devices dc 1000V/1200V SPD for thunder protection system
Dikai cheap surge protection devices dc 1000V/1200V SPD for thunder protection system
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Product Description
Product Description
Introduction
DKG-20 3P photovoltaic surge protective device is a parallel type module DC power surge protection device(short for SPD), which is dedicated to the lightning protection of photovoltaic DC power distribution system. Adopted high temperature and resistant flame retardant plastic shell, with the features of good sealing, good appearance, easy installation, dust-proof, anti-corrosion and flame retardant, this product can work stably under a harsh environment. This product is used for lightning protection of DC power distribution equipment, such as photovoltaic combiner box, photovoltaic DC power distribution cabinet and grid tie inverter.
It is designed as module with 35mm din rail mounting. It has working indication window in each line. When working indication window turns red, the SPD breaks down. With temperature control circuit breaker and built-in over current protective circuit, this modular SPD can automatically release to avoid fire danger when it breaks down. The optional remote alarm function is convenient for remote monitoring and automated management. The main module and the base are replaceable. It can be used for lightning protection of +-PE,--PE.
Installation
1) DKG-20 photovoltaic DC power surge protective device shall be installed in the front end of DC power distribution equipment. It is installed in the output bus of PV combiner box, or the input terminal of DC power distribution cabinet/box and grid tie inverter. It is in parallel connection with the power grid (Please pay attention to the power line and the ground wire);
2) When installation, please use Kevin Connection Mode as soon as possible, that is, shuck off the Insulating Layer from the Middle of Power Distribution Power Line, then put the Power Line in the relative connection terminal and tighten the screw;
3) When using the General Parallel Connection Mode, the conductor sectional area of power SPD should be in the range from 4mm2 to 35mm2 (the specific conductor size, please choose according to the size of distribution power line). The length of connecting line should be less than 0.5 meter;
4) The sectional area of grounding connection line should be larger than the power connection line, and the distance from the grounding wire to grounding assembly row should be less than 1 meter.
Specification
Dimension(mm) | 54*91*68 |
Applicable Power Supply System | PV DC Power Distribution System |
Maximum Continuous Operating Voltage Uc | DC1200Vand DC1500V Optional |
Rated Voltage Un | DC1000V |
Product name | Photovoltaic Surge Protective Device |
Nominal Discharge Current In(8/20μs) | 20KA |
Maximum Discharge Current Imax(8/20μs) | 40KA |
Voltage Protection Level Up | <3.5kV |
Leakage Current | ≤30μA |
Response time tA | ≤10ns |
Indication Method | Indication Window: turns red when it breaks down. |
Method of Installation | 35mm Din Rail Mounted |
Protection Mode | +-PE,--PE |
Installation Location | Front end of equipment to be protected |
Certifications
Company Profile
1.Brief Introduction
Guangxi Dikai Sci & Tech Co., Ltd. (be called for short as DK Company) was established in June 1989. It has been specialized in producing lightning protective products, researching development of lightning protective technology, consulting lightning protection service, and engineering lightning protection cases for over 30 years.
DK Company locates in Nanning High-tech Development District and enjoys advanced manufacture techniques as well as convenient transportation. The company now has a top-ranking lightning protection test center, a lightning proving ground, an intellectualized building for scientific research.
Products of the company have won more than 10 national patents and possess ISO 9001:2000 certificate and CE certificate. DK Series SPD passed national authority organization test held by Beijing Lightning Prevention Device Testing Centre and National Railway Department Product Quality Testing Centre.
During the last 30 years, DK Company has accomplished over 100 thousand cases of lightning protection for customers.
2. DK Company Founder
Mr. Wang Dongsheng
Position: DK Company Owner and General Manager
Other Professions:
Committee Member of the Thunder and Lightning Standardization Administration of China
Member of the Standing Committee of Chinese Meteorological Society
Professor of the Chengdu University of Information Technology
Committee Member of the Security and Protection Standardization Administration of China
3. Publication
DK Company is one of the editors of the document named SMS Lightning Protective Technical Requirements, which is Public Safety Standard of China.
4. Production Line
There are 6 major series and 160 varieties of products, including:
Power Surge Protective Device (SPD) Series;
Signal Surge Protective Device Series;
Combined Surge Protective Device Series;
Antenna Feeder Surge Protective Device Series;
Earthing and Grounding Series;
Lightning Arrestors Series;
5. R&D
DK Company established a lightning protection lab in 2000, and it has a 150kA surge current generator and a 1200kV surge voltage generator. DK also have lightning product researching ability, data signal processing and lightning waveform transfer processing abilities. The lab has upgraded into a national lab at present, and we make lots of test experiment for the Government or other companies, such as Steel Window of High-rise Building Lightning Strike Test Experiment for the Ministry of Construction of China.
Test items:
a. 150kA surge current
b. 1200kV surge voltage
c. SPD through flow and residual voltage research
d. SPD response time (1ns) research
e. SPD operational voltage and drain current research
f. Signal transmission characteristic (attenuation, standing-wave ratio) research
g. Grounding method research
h. Lightning arrester research
i. Some special researches required by clients
j. Variety test experiments required by regulations
6. Design &Project
DK Company has been granted under authority with superlative class attestation in Professional Lightning Protective Engineering and Design.
7. Quality Certificate
a. ISO International Quality System Certificate
b. CE Safety Certificate
8. Clients
DK Company's products and service have been widely used for Telecom, Electric Power Company, Transportation, Security and Safety protection, Airline Company, Banking and Financial System, Education, Broadcasting, Military, and Industry fields.
Packing & Delivery
Professional Produce Electrical Equipment Ethernet Network Surge Protector Device Carton, or as per clients.
FAQ
1. who are we?
We are based in Guangxi, China, start from 1998,sell to Oceania(25.00%),Western Europe(10.00%),Eastern Asia(10.00%),Mid East(10.00%),Domestic Market(10.00%),Southeast Asia(10.00%),Eastern Europe(10.00%),South America(10.00%),North America(5.00%). There are total about 101-200 people in our office.
2. how can we guarantee quality?
Always a pre-production sample before mass production;
Always final Inspection before shipment;
3.what can you buy from us?
Surge Protector,Lightning Rod,PV Supporting Equipments,power cord,signal protection
4. why should you buy from us not from other suppliers?
Guangxi Dikai Sci & Tech Co., Ltd.has been specialized in producing lightning protective products, researching development of lightning protective technology, consulting lightning protection service, and engineering lightning protection cases for 25 years.
5. what services can we provide?
Accepted Delivery Terms: FOB,CIF,EXW,Express Delivery;
Accepted Payment Currency:USD,EUR,CNY;
Accepted Payment Type: T/T,L/C,Western Union,Cash;
Language Spoken:English,Chinese,Spanish
We are based in Guangxi, China, start from 1998,sell to Oceania(25.00%),Western Europe(10.00%),Eastern Asia(10.00%),Mid East(10.00%),Domestic Market(10.00%),Southeast Asia(10.00%),Eastern Europe(10.00%),South America(10.00%),North America(5.00%). There are total about 101-200 people in our office.
2. how can we guarantee quality?
Always a pre-production sample before mass production;
Always final Inspection before shipment;
3.what can you buy from us?
Surge Protector,Lightning Rod,PV Supporting Equipments,power cord,signal protection
4. why should you buy from us not from other suppliers?
Guangxi Dikai Sci & Tech Co., Ltd.has been specialized in producing lightning protective products, researching development of lightning protective technology, consulting lightning protection service, and engineering lightning protection cases for 25 years.
5. what services can we provide?
Accepted Delivery Terms: FOB,CIF,EXW,Express Delivery;
Accepted Payment Currency:USD,EUR,CNY;
Accepted Payment Type: T/T,L/C,Western Union,Cash;
Language Spoken:English,Chinese,Spanish
6. Ordering Instruction
Please declare the maximum discharge current of required product when ordering. If it's not clear, it can be selected by the professional personnel of our company after site survey.
Contact Us
- Guangxi Dikai Sci & Tech Co., Ltd.
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