PV Connectors & Custom Cable Assemblies for 1500V Solar Projects
For distributors, EPC contractors, installers and solar manufacturers. We provide model-specific TÜV/UL-certified options, flexible trial orders and OEM support.
Custom Cable Assemblies: MOQ 50–100 Sets
Typical Production Lead Time: 1–4 Weeks
Specifications, MOQ, lead time and certifications vary by product model and order requirements.
Specifications and certifications vary by product model. Applicable documents will be confirmed before quotation.
Why Global PV Buyers Choose Treasun
We focus on the details that reduce sourcing risk.
Model-Matched Documentation
We confirm the exact connector model, cable size, electrical rating and applicable certification before quotation, helping reduce supplier qualification and product-selection risks.
Controlled Manufacturing & Quality Inspection
Our production process covers incoming-material inspection, terminal processing, injection molding, assembly, electrical testing, mechanical testing and final inspection.
Flexible OEM & Cable Assembly Support
We support customized cable length, connector configuration, labeling, packaging and wiring harness assembly based on your approved drawing or project specifications.
PV Connection Products for B2B & Project Supply
Select a product or send us your technical requirements for model matching, documentation and quotation.
CN4U-C
Best for: PV cable-to-cable connections, solar string applications and high-current PV systems.
| Current | Up to 70A |
| Voltage | 1500V DC |
| Protection | IP68 |
| Contact resistance | ≤0.5mΩ |
CN4U-P
Best for: Solar panel connections and module-side PV applications.
| Current | Up to 52A |
| Voltage | 1500V DC |
| Protection | IP68 |
| Contact resistance | ≤0.5mΩ |
Fuse & Diode Connectors
Best for: PV circuit protection, overcurrent protection and reverse-current protection.
Junction Boxes
Best for: PV module connection and solar panel junction applications.
Solar Wiring Harnesses
Best for: Customized PV connection, pre-assembled cable solutions and OEM projects.
OEM Solar Connection Solutions
Best for: Customized connector designs, cable assemblies, labeling and packaging.
MC4 is a registered trademark of Stäubli International AG. Treasun is an independent manufacturer and is not affiliated with or endorsed by Stäubli. For product safety and compliance, Treasun male and female connectors should be used as matched pairs. Do not cross-mate connectors from different manufacturers unless the exact combination has been approved under the applicable certification and project requirements.
Compare Our PV Connector Solutions
A quick reference to help you select the right product for your application.
Quality Control for Reliable PV Connections
Key electrical, mechanical and environmental checks are performed according to the applicable product specification and inspection plan.
Verifies low-resistance electrical contact in PV connection systems.
Confirms secure crimping and mechanical retention strength.
Verifies consistent mating and unmating force.
Checks sealing performance for outdoor PV applications.
Confirms electrical insulation and dimensional accuracy.
Testing is conducted according to the applicable product specification and inspection plan.
Watch Manufacturing VideosWho We Supply
Treasun supports different customer types across the solar supply chain.
PV Distributors & Wholesalers
Standard PV connectors, fuse connectors, junction boxes and related accessories for local distribution and inventory supply.
EPC Contractors & Installers
Project-matched connectors and cable assemblies based on voltage, current, cable size and installation requirements.
Solar Module Manufacturers
Panel connectors, JT3 junction boxes and customized module-side connection solutions.
OEM & Solar Equipment Manufacturers
Customized wiring harnesses, cable lengths, labels and packaging based on approved drawings.
PV Connector Certifications & Compliance
Certification and compliance documentation is available for applicable products to support international PV projects and customer qualification processes.
TÜV Rheinland
PV connector certification to applicable IEC 62852 / EN 50521 requirements.
UL Listed
UL 6703 certification for applicable photovoltaic connectors and junction boxes.
CE Marking
Applicable European conformity requirements for relevant products.
RoHS Compliant
Restriction of Hazardous Substances compliance for applicable products.
From Product Selection to PV Connector Supply
A clear four-step workflow for B2B solar customers.
Share the connector type, cable size, voltage/current, quantity, certification requirement or drawing.
We recommend the suitable model and provide the applicable datasheet, certification information, MOQ, lead time and quotation.
Samples can be arranged for compatibility, assembly and performance evaluation before mass production.
Production is arranged according to the approved model, drawing, labeling, packaging and delivery requirements.
Frequently Asked Questions About PV Connectors
Key questions before placing a PV connector order.
Get the Correct PV Connector Recommendation
Share your cable size, voltage/current, quantity and required certification. We will reply with the recommended model, datasheet, applicable certification information and quotation.
What you can receive:
- Recommended product model
- Datasheet
- Applicable certification information
- MOQ & lead time
- OEM options
We normally respond within 24 hours.
Email: carroll.xue@treasol.com
WhatsApp: +86 186 8861 9157
Chat with a PV Connector Specialist on WhatsApp