Oct 16, 2026
Leading PV Connector Manufacturer for Global Solar Systems
Treasol is a professional photovoltaic connector manufacturer specializing in PV connectors, solar connectors, MC4 compatible connectors and solar cable connection solutions.
Range of Premium Products
Comprehensive Solar PV Connection Solutions
PV Connector Products
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. For factory-built cable sets, see our solar wire harness assemblies.
CN4U-C Solar Cable Connector
Solar Cable connectorCN4U-C is a high-current solar cable connector designed for reliable photovoltai...
CN4U-P Solar Panel Connector
Solar Panel connectorCN4U-P is a high-performance solar panel connector designed for reliable photovo...
F4C-200-1085 Solar Fuse Connector
Solar Fuse ConnectorF4C-200-1085 is a 1500 V solar fuse connector designed for photovoltaic (PV) cir...
D4A PV Diode Connector
PV Diode ConnectorD4A is a PV diode connector designed for photovoltaic applications, with a 1–8A ...
JT3 PV Junction Box
PV Junction BoxJT3 is a PV junction box designed for photovoltaic module applications, with a 5...
JT3-abcd PV Junction Box
PV Junction BoxJT3-abcd is a 1500 V PV junction box designed for photovoltaic modules and solar...
About Treasol
Driving Solar Energy Forward with Reliable PV Connection Technology
About Treasol - PV Connector Manufacturer
Treasun New Energy Technology Co., Ltd. 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.
Integrated Manufacturing
Complete industrial chain from R&D and mold development to precision manufacturing, quality inspection, global sales and customer service.
Innovation Driven
Professional R&D team continuously investing in technological innovation and product upgrades to meet evolving market demands.
International Certifications
Products available with TÜV or UL certification and CE/RoHS compliance documentation, exported to Europe, America, Australia, Southeast Asia and beyond.
Global Commitment
Promoting a low-carbon economy and leading a green lifestyle — bringing clean solar energy to households worldwide.
Manufacturing Excellence
PV Connector Manufacturing Excellence
Treasol adheres to the philosophy of “Technology Drives Quality” with a complete industrial chain covering every stage from product development to customer service
Our Journey
Milestones in Treasol’s Growth
From a specialized PV connector manufacturer to a global solar connection solutions provider
2009
Company founded in Dongguan, China, focusing on solar PV connector manufacturing
2013
Achieved TÜV certification; expanded to junction boxes & cable assemblies
2018
Launched full harness wire series; upgraded to automated production lines
2022
1500 V DC rating across full product range; serving 50+ countries worldwide
2024
Continuous R&D investment for next-gen PV solutions — building a world-class brand
Quality Assured
International Certifications & Quality Assurance
All Treasol products meet rigorous international standards for safety, performance and environmental compliance
TÜV Rheinland
Certified to IEC 62852 & EN 50521 international standards for PV connectors
UL Listed
UL 6703 certified for photovoltaic connectors and junction boxes
CE Marking
Compliant with European Union health, safety & environmental requirements
RoHS Compliant
Restriction of Hazardous Substances directive compliance for environmental safety
Trusted Worldwide
What Our Customers Say
Trusted by solar professionals across 50+ countries for quality, reliability and technical support
Germany
50MW Utility-Scale Solar Farm: Reliable MC4 Connectors for German Engineering Standards
United Kingdom
Rooftop Solar for UK Commercial Properties: Fast Delivery and Local Support
Italy
Solar Farm Interconnection in Italy: Cost-Effective Harness Wire Solution
Why Choose Treasol
We Deliver More Than Products — We Deliver Reliability & Partnership
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Specialized Manufacturing
Focused facility in Dongguan, China dedicated exclusively to PV connection components since establishment
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Certified Quality
Products available with TÜV or UL certification and CE/RoHS compliance documentation, manufactured under rigorous quality control processes
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Global Export
Serving customers in over 50 countries with reliable supply chain and competitive pricing
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Technical Support
Experienced engineering team providing product selection guidance and application support
Latest News
Stay Updated with Treasol
Industry insights, product updates and company news from the solar PV connection industry
FAQ
Frequently Asked Questions About PV Connectors
Find answers to common questions about Treasol PV connectors, solar connectors, and photovoltaic connection solutions
Q1. What is a PV Connector?
A PV connector is a specialized electrical connector used in solar photovoltaic systems to safely connect solar panels, cables, inverters, and other components. Treasol provides high-quality PV connectors, including MC4 compatible connectors, solar cable connectors, and customized connection solutions designed for reliable outdoor solar applications.
Q2. What types of solar connectors does Treasol manufacture?
Treasol 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.
Q3. Are Treasol PV connectors compatible with MC4 connectors?
Do not assume cross-manufacturer compatibility from physical fit alone. Use only mating combinations that are explicitly identified in the applicable Treasol technical documentation, certification scope, or written project approval. Contact us with both connector model numbers, cable specification, voltage class, and target market so our engineering team can verify the permitted pairing.
Q4. What certifications do Treasol solar connectors have?
Product-specific certification and compliance documents are available for applicable models. Depending on the exact model and configuration, documentation may include TÜV or UL certification, an EU Declaration of Conformity, and RoHS compliance evidence. Confirm the current scope before specification.
Q5. What voltage and current ratings are available for your PV connectors?
Treasol provides PV connectors suitable for different solar system requirements, including high-voltage and high-current applications. Our products are available with ratings up to 1500 V DC and support various current capacities according to customer requirements. Customized solutions are also available for specific solar projects.
Q6. Can Treasol provide OEM and customized solar connector solutions?
Yes. As a professional PV connector manufacturer in China, Treasol 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.
Get In Touch
Have Questions? We Are Here to Help
Whether you need product specifications, a custom quotation, or technical consultation, our team is ready to assist. We typically respond within 24 hours.