Why Are Mc4 Connectors Used On Solar Panels

Most larger solar panels with a rating of more than 50 watts come with mc4 connectors already on them.

Why are mc4 connectors used on solar panels.

This article concerns mc4 solar connectors but the same principles are valid for other solar connectors such as amphenol h4 tyco and smk. Mc4 connectors are single contact electrical connectors commonly used for connecting solar panels the mc in mc4 stands for the manufacturer multi contact now stäubli electrical connectors and the 4 for the 4 mm diameter contact pin mc4s allow strings of panels to be easily constructed by pushing the connectors from adjacent panels together by hand but require a tool to disconnect them to. What do these solar connectors have to do and where are they used. The mc4 connector fits the need perfectly.

Mc4 branch connectors for solar panels wiring and connector components. They are also weather resistant uv proof and designed for continuous outdoor use. Larger solar panels that are designed to be wired together in an array need a standardized termination that can handle higher power levels. The interlock prevents the cables from being unintentionally pulled apart.

To make this as easy as possible most solar panels use a snap fit solar panel. This article addresses mc4 connectors but the same principles apply to other connectors such as amphenol h4 tyco and smk. It provides an ip67 waterproof and. Small solar panels under 20 watts typically use screw spring terminals or some type of automotive electrical connector.

There are multiple types of interlocking pv connectors. Mc4 solar panel connectors are single or multi contacts electrical connectors almost all modern solar panels come equipped with pre wired connectors on the back of the panel allowing easy connection to other panels to form a string. How to use mc4 connectors and mc4 extension cables.