MC4 / PV4 Solar Connectors
- IP68 weatherproof protection from rain, wind and snow.
- Easy to use, maintain and replace.
- PP0 engineering material ensures long-term electrical durability
- Anti-electric Shock, high temp shock resistance and anti-UV
- Certified to GB/T33765 and TÜV/IEC62852 standards.
- Fast delivery time, sample order 1-3 days, bulk orders, 7-9 days.
- Professional R&D team, support customization, ODM, OEM.
MC4 Solar Connectors Supplier & Manufacturer
AGX is a leading MC4/PV4 solar connector manufacturer in China. We supply popular MC4 solar connector, PV4 solar connector, male and femal connectors for solar system at high efficiency and facatory-direct cost. All our connectors are GB/T33765 and TÜV/IEC62852 certificated, ensuring high performance and a long lifetime. We offer customized solutions, OEM, ODM service. Wholesalers, distributors, dealers, traders, agents are welcome to purchase in bulk.
Automatic machine assembly workshop
Automatic machine assembly workshop
Hardware Stamping Department
Automatic machine assembly workshop
What is MC4 Solar Connectors?
Why Choose MC4 Solar Connectors?
Easy Installation
Push together until you hear a click. No tools needed for basic connections. Anyone can install them in minutes.
Certified Quality
Meets TÜV/IEC62852 and UL safety standards. Passes all international quality tests. Guaranteed to work with any solar system worldwide.
IP68 Waterproof
Completely sealed against rain and dust. Multiple rubber gaskets keep water out. Works reliably outdoors for 25+ years.
Industrial-Grade Material
Made from PPO engineering plastic. Won't crack or break under stress. Designed for harsh industrial environments.
Shock & UV Protection
Prevents electrical shock during use. Resists extreme temperature changes. UV coating stops sun damage and fading.
Secure Connection
Locks firmly and won't come apart. No loose connections or power loss. Maintains tight contact for decades without maintenance.
MC4 Solar
Connectors Solutions
MC4 connectors are essential components in every solar installation, from residential rooftops to large-scale solar farms. They provide secure, weatherproof connections between solar panels, inverters, combiner boxes, and monitoring systems.
Whether you’re building a 5kW home system or a 500MW utility project, MC4 connectors ensure reliable power transmission and system safety.
How to Manufacture MC4 Solar Connectors?
1
Raw Material Preparation
2
Precision Injection Molding
3
Contact Assembly & Crimping
4
Sealing & Gasket Installation
5
Automated Testing
6
Quality Control & Packaging
How to Install
MC4 Solar Connectors？
- Strip 6-8mm of cable insulation
- Insert cable through connector housing
- Crimp metal contact onto conductor
- Push contact assembly into housing until it clicks
- Connect male and female connectors with firm push
- Perform pull test to verify secure connection
Real Results from Real Solar Professionals
CASE STUDY:
500MW Australian Solar Farm
- Challenge: Extreme UV exposure and temperature cycling
- Solution: AGX Enhanced UV-Resistant MC4-1500V connector
- Results: 99.9% system uptime, 15% faster installation vs. previous supplier
CASE STUDY:
European Residential Program (50,000+ Homes)
- Challenge: Multiple connector types causing inventory and training issues
- Solution: Standardized AGX MC4 connector program with training
- Results: 40% reduction in installation time, zero warranty claims in 3 years
Solar Panel Connector Range
Most modern solar panels use MC4 connectors, which are industry-standard due to their ease of use, reliability, and weather resistance, including standard MC4 solar connectors, MC4 branch connectors, MC4 connector accessories, special application MC4 connectors. These connectors ensure a secure, waterproof, and dustproof connection between solar components. The connector type is typically chosen based on compatibility with the panel, inverter, and intended installation environment.
PV4 Cable Mount Female Plug
Model No:EW-PV4F-120XX1
PV4 Cable mount male plug, tool unlock
Model No: EW-PV4M-121XX1
PV4 Cable mount male plug, manual unlock
Model No: EW-PV4M-122XX1
PV4 Panle mount female plug
Model No: EW-PV4F-110XX1
PV4 Panel mount male plug, tool unlock
Model No: EW-PV4M-111XX1
PV4 Panel mount male plug, manual unlock
Model No:EW-PV4M-112XXX1
PV4 Fuse
Model No:EW-PV4-XXXX-
PV4-Tool
Model No:EW
male & female cover
Model No: EW-PV4
Specification Download
Model No.
Type
Specification.PDF
MC4 Solar Connector Accessories
- Male & Female Connectors: Precision-engineered housings with secure locking mechanisms for reliable solar panel connections.
- Metal Contacts & Seals Corrosion-resistant pins and sockets with premium EPDM rubber seals ensuring IP67 waterproof protection.
- UV-Resistant Housing Durable thermoplastic construction withstands decades of outdoor exposure and environmental stress.
- MC4 Crimping Tool Professional ratcheting crimper for 10-14 AWG solar cables with adjustable pressure settings for consistent, reliable crimps.
- Wire Strippers Precision strippers designed for clean insulation removal without damaging conductors.
- Assembly Wrenches Specialized spanners for proper connector tightening and waterproof seal integrity.
- Release Tool Safe disconnection tool for maintenance and system modifications without component damage.
Custom MC4 Solar Connectors
Our MC4 connectors feature standardized construction ensuring consistent performance and reliability. Choose from multiple specifications to match your project requirements. Customization are custom logo branding and personalized packaging design.
Specifcation Available:
- Voltage Ratings: 1000V, 1500V, 2000V DC options
- Current Ratings: 20A, 30A, 50A configurations
- Cable Compatibility: 2.5mm² to 10mm² cable ranges
- Housing Colors: Standard black, custom colors available
- Branding Options: Logo embossing and custom labeling
Specialized Applications:
- Marine Grade: Enhanced corrosion resistance for coastal installations
- High Temperature: Extended operating range for desert climates
- Flexible Cable: Enhanced flexibility for tracking systems
- Armored Cable: Mechanical protection for harsh environments
Assembly Available:
- Pre-terminated Cables: Factory-installed connectors
- Custom Harnesses: Multi-branch connection solutions
- Testing & Certification: Custom testing protocols
- Packaging Solutions: Private labeling and custom packaging
Minimum Order Quantity:
- Standard products: 100 pieces
- Custom specifications: 1,000 pieces
- Private labeling: 5,000 pieces
- Tooling for new designs: 10,000 pieces
Why Wholesale MC4 Solar Connectors in Bulk from us?
Certified Quality
We provide rigorously tested products that pass TÜV, ULSAA, and CE certifications, ensuring IP68-rated protection you can trust in any environment.
OEM\ODM Customization
We have a professional R&D team of 15 member. If you have specific requirements for your project, we are always here to help you. We manufacture and customize molds that require particular dimensions and accessories.
Flexible MOQ
We offer flexible minimum order quantities to meet the real needs of your project. Our minimum order quantities start at a relatively low 10m, giving you the highest flexibility in the testing market.
Competitive Price
Choose us as your connector supplier and benefit from factory-direct wholesale pricing that eliminates middlemen and maximizes your savings.
Fast Delivery
Our team of 200+ experienced workers and automated production lines ensure your orders move quickly from manufacturing to your facility.
Innovative Design
Install in seconds without tools using our push-in, snap-fit connectors that save time while maintaining complete water and dust protection.
MC4 Solar Connectors Videos
Product Testing
All of our waterproof junction boxes are not mass-produced until they have gone through multiple rigorous testing steps in our laboratory equipment. This ensures high performance and stability and the product’s long life.
Automatic Insertion and Extraction Tester
Temperature rise current tester
Voltage Tester
Horizontal plug-in test
DC Resistance + Insulation Resistance Tester
IP68 Waterproof Tester
Scorch Wire Tester
Leakage Trace Tester
Horizontal Vertical Flame Tester
Constant temperature and humidity tester
ELECTRICAL TESTING:
- Contact Resistance: <0.5mΩ maximum
- Insulation Resistance: >1000MΩ minimum
- Dielectric Strength: 6000V AC (1 minute)
- Impulse Voltage: 8000V (1.2/50μs wave)
MECHANICAL TESTING:
- Insertion/Withdrawal Force: 40N±10N
- Retention Force: >200N minimum
- Mechanical Durability: 500 mating cycles
- Vibration Resistance: IEC 60068-2-6
ENVIRONMENTAL TESTING:
- Temperature Cycling: -40°C to +90°C (1000 cycles)
- Humidity Testing: 85% RH at 85°C (1000 hours)
- UV Exposure: 1000 hours according to IEC 60068-2-5
- Salt Spray Corrosion: 240 hours per IEC 60068-2-52
SAFETY & COMPLIANCE:
- Flammability: UL94 V-0 rating
- Toxicity: RoHS compliant materials
- IP Rating: IP67/IP68 ingress protection
- Arc Fault: IEC 63027 compliance
Certification & Patents
Ready to Partner with AGX for Your MC4 Connector Needs?
FAQs
Product & Customization
Q: What is the difference between MC4 and MC3 connectors?
A: MC4 connectors feature an improved locking mechanism, higher current rating (30A vs 20A), and enhanced weather resistance compared to older MC3 connectors. MC4 is the current industry standard.