T3328502U is a circular DIN connector from Amphenol's signalmate® C091 (M16 Size) family of industrial connectors. The connector is part of a modular series available in multiple configurations (M16 A, M16 B, M16 D, M16 D+, and M16 Q variants) with various coupling systems including threaded, bayonet, and quicklock options. While specific variant details for this SKU are not explicitly identified in the available documentation, the C091 family offers environmental protection up to IP69K when mated, operates across a temperature range of -40°C to +100°C, and supports operating voltages up to 300V per IEC 60664-1. The connectors feature excellent EMI shielding capability and are available in 2 through 19 positions depending on the series variant. These connectors are widely used in measuring instruments, equipment, and 4G/5G mobile radio networks where reliable power and signal connections with environmental protection are essential.