T3524551U 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 configuration details for SKU T3524551U are not explicitly identified in the available documentation, the C091 family offers environmental protection up to IP69K when mated, operates across temperature ranges from -40°C to +100°C, and provides excellent EMI shielding capability. These connectors are designed for diverse industrial applications including measuring instruments, 4G/5G mobile radio networks, and other demanding environments requiring reliable power and signal connections.