T3424551U is a circular DIN connector from Amphenol's signalmate® C091 (M16 Size) family of industrial connectors. The connector is part of a modular series offering multiple M16 variants (A, B, D, D+, Q) with different coupling systems including threaded, bayonet, and quicklock options. While specific configuration details for this SKU are not explicitly provided in the available documentation, the C091 family features environmental protection up to IP69K when mated, compact design with excellent EMI shielding capability, and support for diverse temperature ranges. The series is designed for applications in measuring instruments, equipment, and 4G/5G mobile radio networks, establishing itself as an industry standard for power and signal connections requiring high integrity and environmental protection.