Treasun is a professional photovoltaic connector manufacturer specializing in PV connectors, solar connectors, MC4 compatible connectors and solar cable connection solutions.
Contributing to the development of leading energy-saving technology — from high-performance solar PV connectors to complete solar PV connection solutions for residential, commercial and utility-scale applications.
CN4U-C is a high-current solar cable connector designed for reliable photovoltai...
CN4U-P is a high-performance solar panel connector designed for reliable photovo...
F4C-200-1085 is a 1500V solar fuse connector designed for photovoltaic (PV) circ...
D4A is a PV diode connector designed for photovoltaic applications, with a 1–8A ...
JT3 is a PV junction box designed for photovoltaic module applications, with a 5...
JT3-abcd is a 1500V PV junction box designed for photovoltaic modules and solar ...
Treasun New Energy Technology Co., Ltd. (TREASUN) is a professional PV connector manufacturer in China, specializing in PV connectors, solar connectors, MC4 compatible connectors and solar cable connection solutions for global renewable energy applications.
Complete industrial chain from R&D and mold development to precision manufacturing, quality inspection, global sales and customer service.
Professional R&D team continuously investing in technological innovation and product upgrades to meet evolving market demands.
Products certified to TÜV, UL, CE and RoHS standards, exported to Europe, America, Australia, Southeast Asia and beyond.
Promoting a low-carbon economy and leading a green lifestyle — bringing clean solar energy to households worldwide.
TREASUN adheres to the philosophy of “Technology Drives Quality” with a complete industrial chain covering every stage from product development to customer service
From a specialized PV connector manufacturer to a global solar connection solutions provider
Company founded in Dongguan, China, focusing on solar PV connector manufacturing
Achieved TÜV & UL certifications; expanded to junction boxes & cable assemblies
Launched full harness wire series; upgraded to automated production lines
1500V DC rating across full product range; serving 50+ countries worldwide
Continuous R&D investment for next-gen PV solutions — building a world-class brand
Trusted by installers and project developers worldwide for quality, reliability and performance
CN4U-C is a high-current solar cable connector designed for reliable photovoltai...
CN4U-P is a high-performance solar panel connector designed for reliable photovo...
F4C-200-1085 is a 1500V solar fuse connector designed for photovoltaic (PV) circ...
D4A is a PV diode connector designed for photovoltaic applications, with a 1–8A ...
JT3 is a PV junction box designed for photovoltaic module applications, with a 5...
JT3-abcd is a 1500V PV junction box designed for photovoltaic modules and solar ...
All Treasun products meet rigorous international standards for safety, performance and environmental compliance
Certified to IEC 62852 & EN 50521 international standards for PV connectors
UL 6703 certified for photovoltaic connectors and junction boxes
Compliant with European Union health, safety & environmental requirements
Restriction of Hazardous Substances directive compliance for environmental safety
Trusted by solar professionals across 50+ countries for quality, reliability and technical support
“We have been sourcing PV connectors from Treasun for three years now. Their TUV-certified MC4 connectors have performed flawlessly across our 50MW installation. The consistency in quality batch after batch is what keeps us coming back. When you are m...”
50MW Utility-Scale Solar Farm: Reliable MC4 Connectors for German Engineering Standards
“As a UK-based installer, delivery speed and compliance with UK wiring regulations are critical for us. Treasun not only delivered on time for all five of our commercial rooftop projects, but their technical team also helped us select the right juncti...”
Rooftop Solar for UK Commercial Properties: Fast Delivery and Local Support
“The pre-assembled harness wires from Treasun saved us weeks of field labor. In Italy, we face high temperatures in summer, and working with pre-made assemblies meant our installation crew could focus on mounting and connection rather than crimping hu...”
Solar Farm Interconnection in Italy: Cost-Effective Harness Wire Solution
Focused facility in Dongguan, China dedicated exclusively to PV connection components since establishment
Every product range certified to TÜV, UL, CE and RoHS standards with rigorous quality control processes
Serving customers in over 50 countries with reliable supply chain and competitive pricing
Experienced engineering team providing product selection guidance and application support
Industry insights, product updates and company news from the solar PV connection industry
Find answers to common questions about Treasun PV connectors, solar connectors, and photovoltaic connection solutions
A PV connector is a specialized electrical connector used in solar photovoltaic systems to safely connect solar panels, cables, inverters, and other components. Treasun provides high-quality PV connectors, including MC4 compatible connectors, solar cable connectors, and customized connection solutions designed for reliable outdoor solar applications.
Treasun specializes in manufacturing various solar connection products, including PV connectors, MC4 compatible connectors, solar cable connectors, solar panel connectors, branch connectors, fuse connectors, diode connectors, junction boxes, and wiring harness assemblies. Our products are widely used in residential, commercial, and utility-scale solar PV systems.
Yes. Treasun manufactures MC4 compatible connectors designed according to industry standards and tested for reliable performance in solar PV applications. Our connectors are compatible with many mainstream solar components and provide secure electrical connections with excellent durability and weather resistance.
Treasun solar connectors are manufactured according to international quality standards and are available with certifications including TÜV, UL, CE, and RoHS compliance. Our products are designed to meet the requirements of global solar projects, ensuring safety, reliability, and long-term outdoor performance.
Treasun provides PV connectors suitable for different solar system requirements, including high-voltage and high-current applications. Our products are available with ratings up to 1500V DC and support various current capacities according to customer requirements. Customized solutions are also available for specific solar projects.
Yes. As a professional PV connector manufacturer in China, Treasun provides OEM and customized solar connection solutions, including product design, connector customization, cable assembly, and packaging solutions. We work with global distributors, solar installers, and renewable energy companies to meet different market requirements.
Whether you need product specifications, a custom quotation, or technical consultation, our team is ready to assist. We typically respond within 24 hours.