The XLR312C is a female rectangular flange receptacle connector featuring 3 contacts, designed for professional audio and signal transmission applications. Based on the XLR part numbering system, the "3" designates 3-contact configuration, "1" indicates the rectangular flange receptacle style, and "2C" specifies the female plug variant. The connector supports a maximum wire cross-section of #14 (2.1 mm²) for reliable electrical connections. This connector is commonly used in audio equipment, microphone systems, and professional sound reinforcement installations where secure panel-mount connections are required. The rectangular flange design provides robust mechanical mounting and ensures consistent performance in demanding environments.