T3363109U 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. Key technical characteristics include operating voltage up to 300V per IEC 60664-1, operating temperature range of -40°C to +100°C, and environmental protection ratings up to IP69K when mated, with excellent EMI shielding capability for power and signal integrity. The connector supports multiple position configurations and current ratings that vary by position count, with contact termination options including solder and crimp. Applications include measuring instruments, equipment, and 4G/5G mobile radio networks where reliable environmental protection and signal integrity are essential.