T3395501U is a circular DIN connector from Amphenol's signalmate® C091 (M16 Size) family of industrial connectors and cable assemblies. 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 options including threaded, bayonet, and quicklock mechanisms. It operates over a temperature range of -40°C to +100°C and supports operating voltages up to 300V per IEC 60664-1 standard, with environmental protection ratings up to IP69K when mated. The compact design provides excellent EMI shielding capability and is commonly used in measuring instruments, equipment, and 4G/5G mobile radio networks where reliable power and signal connections are essential.