C09131H0121012U is an M16 D circular DIN connector from Amphenol's signalmate® C091 family designed for industrial signal and power connections. The connector features a metal screw coupling system with IP65/67/69K environmental protection when mated, thermoplastic dielectric material, and silver/gold contact plating for reliable performance. It supports 2 through 8, 12, and 14 position configurations with current ratings of 2-3 positions at 10A, 5-8 positions at 7A, and 12-14 positions at 3A at +40°C. The connector offers excellent EMI shielding capability with contact resistance less than 5mO, insulation resistance greater than 10¹²O, and operates over a temperature range of -40°C to +100°C. It is suitable for applications in measuring instruments, equipment, and 4G/5G mobile radio networks where robust environmental protection and signal integrity are required.