This is a PROFINET connector designed for high-speed industrial Ethernet applications. It features a 4-position, shielded, straight M12 D-coded plug with push-in connection technology. The connector's knurling is made from zinc die-cast and nickel-plated for durability. Suitable for external cable diameters ranging from 4 mm to 8 mm, ensuring secure and reliable connections for 100 Mbps data transmission.