Product Description
DHLX-AC photovoltaic AC combiner box is an important component used in photovoltaic series power generation systems to undertake series inverters AC distribution cabinets, or step.up translormers. The incoming line of this combiner box uses a circuit breaker input, the output uses a circuit breaker or loadisolation switch, and the busbaris protected against secondarylightning protection after converging, The maximum rated voltage of the system is Ac800v. Theprotection levelis ip65, which is the same as the series inverter. t meets the requirements for outdoorinstallation and meets the requirements of waterproofingdust prevention, WV protection, salt spray corrosion prevention, etc.
This product greatly simplfies the wiring between the series inverter and the AC distribution cabinet or step-up transformer. The internal structure of thisproduct is simple and clear, and the wilring is neat and reasonable. High reliability and easy maintenance. outdoor wallmounted instalation, able to adapt tovarious harsh environments. in addition to standard materials and sizes, it can be customized according to user requirements.
Product Parameters

1.AC combiner box with a protection level of IP65 and a wall mounted sealed cabinet that can meet outdoor installation requirements;
2.Meet the requirement of simultaneously connecting multiple group inverters, with each incoming line protected by a thermal magnetic circuit breaker, with a rated voltage of AC800V;
3.The use of dedicated high-voltage lightning protection devices can meet the overvoltage and lightning protection requirements between three phases. with a working voltage of AC800V or above;
4.The busbars inside the box are all connected with electroplated or purified busbars to reduce the internal resistance and connection points of the busbars;
5.The output adopts a circuit breaker, load isolation switch, or fuse output.
Dimensions(mm)
Volumn(W*H*D) |
1 |
2 |
3 |
800*600*200mm |
800*800*200mm |
800*1000*200 |
Company Profile

DOHO Company was founded in 2010 and is a green power energy solution provider and technology service provider dedicated to the integration of loT and digital intelligence. Its business focuses on intelligent switchgear and intelligent online business, building an open cooperation ecosystem to provide services for public users, enterprise users, and end customers. The company has over 200 employees and currently has 9 domestic and international offices (branches), 25 service outlets, and spare parts reserve outlets, including Wenzhou manufacturing base, Shanghai sales headquarters, Wuhan R&D center, Beijing,Hangzhou, and Barcelona, Spain.
In terms of technological research and development, we have obtained more than 40 national invention patents, utility model patents, and software
copyrights, as well as ISO certification for the three major systems and voluntary CQC certification for over 100 products. We have a 500 square meter research and development laboratory, a complete set of comprehensive characteristic testing benches, anti-static workbenches, aging chambers, function signal generators, lightning surge generators, digital storage spectrum analyzers, and more More than 300 sets of technology testing and production research and development equipment, including digital storage oscilloscopes, accounted for nearly 4.5% of the annual revenue. DOHO has core technologies such as professional online fault monitoring and early warning positioning, providing customers with professional segmented products, intelligent technology solutions, and data maintenance services. Its products and solutions are applied in more than 20 countries and regions, and it has established long-term strategic partnerships with customers such as State Grid, China Energy Construction, National Energy,China Electronics, China Investment Corporation,BOE, Chint, China Construction,Hong Kong China, and InnoSeco, We are authorized strategic partners of Chint CHINT, XIEXIN, NOARK from the United States, and other authorized factories.
Based on an innovative management model and continuous improvement in technological research and development, the company's products have been included in the government's strategic emerging product library, and have won important honors such as national high-tech enterprises, specialized and innovative small and medium-sized enterprises, China's top ten brands of online monitoring devices for power lines, China's top ten JP cabinet brands, Zhejiang Province AA contract abiding and credit worthy enterprises, Zhejiang Provincial Industrial New Products, AAA credit enterprises, and Wenzhou City level Enterprise R&D Center.
DOHO adheres to the business mission of "turning a small team into a big team, helping everyone become more excellent and powerful", adheres to the corporate spirit of "customer-centric, striving for excellence, taking pride in helping others, and persisting in long-term hard work", and fully practices the core values of "honesty, standardization,unity, pragmatism, striving for excellence, and professional innovation". In the future, DOHO will continue to innovate and develop core technologies based on existing technologies and industry development trends, and continue to contribute to the field of electricity. It will serve emerging sunrise industries such as intelligence, digitization, and greening through technological innovation, opening up new space for long-term development.
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