1-2203573-0 is a plug assembly connector from TE Connectivity's SDM30 series. Based on similar products in the series, it likely features a multi-position configuration with keying options for proper mating alignment. The connector is designed to meet EU RoHS Directive 2011/65/EU and EU ELV Directive 2000/53/EC compliance requirements. This type of connector is commonly used in automotive and industrial applications where reliable, sealed electrical connections are required.