MC-4 Connectors for Solar Panel

MC-4 Connectors for Solar Panels — Reliable PV Connections

MC-4 connectors are the industry standard for connecting photovoltaic (PV) modules. Designed for reliable electrical performance and weather resistance, these connectors simplify installation while maintaining high safety and efficiency across residential, commercial and off-grid solar systems.

Key Features

• Universal Compatibility: Standardized MC-4 design works with all major solar panel brands for seamless integration into existing arrays.
• Durable Construction: Made from UV-resistant, weatherproof materials to resist moisture, UV exposure and temperature extremes for long-term reliability.
• Safety and Reliability: Secure locking mechanism prevents accidental disconnection. IP67 rating provides strong protection against dust and water ingress.
• High Electrical Performance: Low contact resistance reduces power loss; supports high current loads up to 30A to match modern panel outputs.
• Easy Installation: Tool-free assembly for faster installs and reduced labor costs. Pre-assembled options available for quicker deployment and consistent quality.

Technical Specifications

• Current Rating: Up to 30A
• Voltage Rating: 1000V (UL) / 1500V (IEC)
• Contact Resistance: <0.5 mΩ
• Protection Class: IP67
• Insulation Material: PPO (Polyphenylene Oxide)
• Contact Material: Copper, tinned
• Temperature Range: -40°C to +85°C

Applications

• Residential Solar Systems: Ideal for rooftop PV installations where reliable, low-maintenance connections are required.
• Commercial and Industrial: Suitable for large-scale solar plants and industrial rooftop or ground-mounted systems.
• Off-Grid and Remote Systems: Robust performance for remote installations where durability and weather resistance are critical.

Why Choose MC-4 Connectors?

MC-4 connectors combine proven electrical performance with durable materials and a secure locking design to maximize system uptime and safety. Their low contact resistance and high current capacity help optimize energy harvest, while tool-free installation and pre-assembled options reduce labor and installation errors. Whether you are commissioning a new array or upgrading an existing system, MC-4 connectors deliver dependable connections for long-term solar energy production.

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