C09111H0080012U is an M16 D circular DIN connector from Amphenol's signalmate® C091 family, designed for industrial applications requiring robust signal and power connections. The connector features a metal screw coupling system with IP65/67/69K environmental protection rating when mated, thermoplastic dielectric material, and silver/gold contact plating for reliable performance. It supports contact termination via solder or crimp methods with wire gauges from 18 to 28 AWG, and offers excellent EMI shielding capability with 360° shielding available. The connector operates over a temperature range of -40°C to +100°C and maintains insulation resistance greater than 10¹² O with contact resistance below 5 mO. Common applications include measuring instruments, 4G/5G mobile radio networks, and industrial equipment where environmental protection and signal integrity are critical.