AHDP04-24-31SR-BRA is an environmentally-sealed, multi-pin, heavy-duty plastic circular connector receptacle manufactured by Amphenol Sine Systems for demanding industrial applications. The connector features Shell Size 24 with 31 contact positions, a reduced diameter rear seal (indicated by "SR"), and a backshell ring adapter (BRA) for secure cable attachment. It supports multiple contact sizes (Size 8 at 60A, Size 12 at 25A, and Size 16 at 13A) with a rated voltage of 250V, providing versatile power and signal transmission capabilities. The connector employs a circular bayonet locking system and is designed to meet IP68 and IR30X ratings in mated condition, making it ideal for agricultural equipment, off-road vehicles, and other harsh-environment applications where environmental sealing and reliable connections are critical.