1871303-1 is a receptacle connector from TE Connectivity's Dynamic 1000 Series, designed for wire-to-board interconnection applications. This connector is part of a comprehensive product family developed for Battery Energy Storage Systems (BESS) and Electric Vehicle (EV) charging solutions. The Dynamic Series connectors provide reliable electrical connections in demanding industrial environments. Common applications include EV charging infrastructure, battery energy storage systems, and industrial power distribution where robust wire-to-board connections are required.