Photovoltaic (PV) connector is a device used to establish a safe and reliable electrical connection between photovoltaic (solar) panels. It also connects the photovoltaic panel to other components in the photovoltaic system, such as inverters, charge controllers, and batteries. PV connectors ensure efficient energy transmission while minimizing power loss in the system.

Main types of photovoltaic connectors

1.MC4 connector: used for cable connection between outdoor solar panels, ensuring stable current transmission, with characteristics such as waterproof, dustproof, and UV resistance.

2.DC connector: This connection component is the DC output cable of the solar panel, responsible for transmitting the power of the component to the junction box or inverter.

3.Multi-branch connector: Concentrating the cables of multiple solar panels into the junction box or inverter helps reduce the use and installation costs of cables and improve the efficiency of system operation.

4.Pre-twisted cable connector: The cable and connector are tightly combined through a prefabrication process.

5.Waterproof connector: With a special sealing design, it is suitable for places with high waterproof requirements, such as rooftop photovoltaic systems.

6.High-voltage connector: Designed for high-voltage photovoltaic systems such as large ground power stations, it has excellent electrical performance and strict safety standards.

7.T-type connector: There is one inlet and two outlets, and it is often used to branch one cable into two.

Principle of photovoltaic connector

The photovoltaic connector is used to connect photovoltaic modules and other electrical equipment. Its main function is to transmit the direct current (DC) generated by the solar panel to the inverter or the grid for storage or use.

During operation, the photovoltaic module converts solar energy into direct current and sends this power to the connector. The connector ensures that the current flows smoothly from the plug to the socket so that it can be connected to other electrical equipment. Through the photovoltaic connector, the direct current can be converted by the inverter and sent to the grid for use in homes or businesses.

The most common industry standard for photovoltaic connectors is MC4. "MC4" stands for "multi-contact, 4 mm", which refers to the diameter of the connector contact pin is 4 mm. MC4 connectors are designed to be weatherproof, UV-resistant and durable, providing a safe and long-term connection.

The main advantages of photovoltaic connectors

1. Quick installation:

The photovoltaic connector is easy to operate and can quickly connect and close the cables, greatly improving installation efficiency. 2

. Waterproof and dustproof:

The excellent waterproof and dustproof performance enables the photovoltaic connector to continue to operate in harsh environments. 3

. Anti-ultraviolet:

The photovoltaic connector is made of sun-proof material, so there is no need to worry about long-term exposure to the sun. 4

. High safety:

It meets multiple safety standards and certification requirements to ensure the safety of power transmission. 5

. Strong adaptability:

It can adapt to a variety of photovoltaic components and cables, and can be selected on demand to meet various application scenarios.

Photovoltaic connectors have the advantages of high reliability, quick installation, waterproof and dustproof, anti-ultraviolet, high safety, strong adaptability, easy maintenance, environmental protection and energy saving in photovoltaic power generation systems, which ensures the stable and efficient operation of photovoltaic systems and promotes the development and utilization of renewable energy.