Solar Copper-Aluminum MC4 Connectors
Solar Copper-Aluminum MC4 Connectors are a new-generation connector solution for photovoltaic power systems. They are designed to replace the traditional copper-aluminum tube crimping and nut-locking method with a faster quick-installation structure, enabling direct and convenient copper-to-aluminum terminal connections.
These solar connectors are suitable for photovoltaic power stations and similar solar applications where reliable electrical performance, corrosion resistance, and fast installation are required. With PA66 insulation material, tin-plated copper-aluminum alloy contacts, 1500V DC rated voltage, and IP68/IP65 protection rating, they support stable performance in demanding outdoor PV environments.
Applications
- Photovoltaic power stations
- Solar PV cable connection systems
- Copper-to-aluminum terminal connections
- Solar power generation projects
- Outdoor PV system installations
Structure
- Connector Type: Copper-Aluminum Solar Connector
- Insulation Material: PA66
- Contact Material: Copper-aluminum alloy, tin-plated
- Connection Design: Quick-installation structure for direct copper-aluminum connection
Key Features
- Quick installation, compatible with standard systems
- Secure connection and superior electrical performance
- Advanced anti-corrosion coating for longer service life
- Stable performance in extreme environments
- Lightweight design for efficient installation
- Eco-friendly production and lower lifecycle cost
- Designed for copper-to-aluminum connection in solar PV systems
Standards / Certifications
- Certification Standards: IEC 62852:2014 + Amd. 1:2020
- Certification Standards: EN 62852:2015 + Amd.
- Certification: TÜV Rheinland
Technical Parameters
| Item | Specification |
|---|---|
| Product Category | Solar Connector |
| Operating Temperature Range | -40°C ~ +85°C |
| Upper Limit Temperature | 120°C |
| Protection Rating | IP68 (1m, 1h) / IP65 |
| Rated Voltage | 1500V DC |
| Rated Current at 85°C | 41A 6mm², 50A 10mm² |
| Rated Impulse Voltage | 16kV |
| Pollution Degree | 2, inside of enclosure |
| Insulation Material | PA66 |
| Contact Material | Copper-aluminum alloy, tin-plated |
| Certification Standards | IEC 62852:2014 + Amd. 1:2020; EN 62852:2015 + Amd. |
| Certification | TÜV Rheinland |
Why Choose Solar Copper-Aluminum MC4 Connectors?
Compared with traditional copper-aluminum tube crimping followed by nut locking, these connectors provide a faster and more convenient installation method. The direct copper-to-aluminum connection design helps improve installation efficiency while maintaining secure electrical performance in photovoltaic power stations.








