H4CFN0DM

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Photovoltaic (Solar Panel) Connectors

Photovoltaic (PV) connectors, also known as solar panel connectors, are a range of electrical connectors used to rapidly and reliably establish an electrical connection between PV modules and components. PV connectors help minimize installation time and cost due to their ability to reduce wiring during installation. PV connections are designed specifically for solar modules and are generally categorized by series, including MC, H4, 0, D and M (H4CFN0DM). The most popular PV connectors are H4CFN0DM.

H4CFN0DM Application Field and Working Principle

H4CFN0DM series connectors are mainly used in large-sized photovoltaic systems such as solar farms. The H4CFN0DM connector integrates three distinct elements: the contact, the insulator, and the recoil spring. The contact is typically made of conductive materials such as copper or silver, while the insulation is typically made of thermoplastic materials such as UL94V-0 or silicone rubber. The recoil spring offers additional protection against loosening from repetitive mating and unmating, as well as vibration and shock. The connector contacts are designed with an internal "monoblock" manufacturing process, which offers a superior attenuation against shock and vibration, minimizing the possibility of de-contact and failure. The contact force of the recoil is preset at the factory, ensuring the highest levels of electrical reliability and retention, even after multiple connection cycles.

When two mating H4CFN0DM connectors are connected, the contact pins are first inserted into each other\'s contacts. During the insertion process, the contact pins are slightly compressed by the recoil spring. The compression creates a more robust and reliable electrical connection between the two contacts. This process is known as a "cold-plug" connection, meaning that no additional tools or materials are required to establish the connection. The contact force is adjustable, depending on the application, allowing for an optimal fit between the two contacts.

Once the two connectors are mated, they are held together securely by the recoil spring. The higher the contact force, the higher the electrical performance of the connection. The contact force also ensures that the two contacts do not come apart, even during extreme vibration or shock. The connectors are designed to retain the contact force, even after multiple mating and unmating cycles.

The H4CFN0DM series connectors are designed to withstand vibration and shock, providing robust and reliable connections in various environments. In addition, the series is IP67 rated and can be used in outdoor applications with minimal risk of corrosion. The connectors are also EMC compliant for use in medical and industrial applications.

Overall, the H4CFN0DM series is a reliable and cost effective solution for photovoltaic (PV) applications. The cold-plug connection system ensures versatility and ease of use, while the preset and adjustable contact force helps provide robust and reliable electrical connections.

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