AT04-3P-L012 is a 3-position flanged receptacle connector from the Amphenol Sine Systems PanelMate AT Series, designed for secure panel mounting in harsh environment applications. This connector features a one-piece sealed flanged design for rapid and secure mounting, with a durable high-temperature silicone facial seal that provides protection from lubricating oils, hydraulic fluids, and fossil fuels. The AT Series accepts size 16 contacts and is compatible with other industry standard mating connectors. Common applications include industrial equipment, heavy machinery, and transportation systems where reliable electrical connections in challenging environments are required.