MFX-3957 is a circular multiway connector from the Amphenol Sine Systems ecomate Aquarius family, designed for robust industrial connectivity applications. The ecomate Aquarius series features IP65 through IP69K protection ratings in mated condition, with durable thermoplastic or metal construction and circular bayonet or quick-locking coupling systems. The connector family supports various shell sizes (8 through 18) with multiple insert arrangements and contact configurations ranging from Size 8 to Size 20 contacts. These connectors are suitable for Factory Automation, Industrial, Heavy Equipment, Transportation, and Entertainment/Lighting applications where reliable environmental sealing and durable performance are required.