M12 D-Coded Plug for Profinet and Industrial Ethernet
The T4131512041-000 is a M12 D-coded circular plug with 4 female socket contacts, designed for industrial Ethernet protocols like Profinet and EtherNet/IP. The D-coding keying prevents accidental mating with A- or B-coded M12 connectors, ensuring correct wiring in mixed-cable environments. Rated 4A per contact at 250V, it carries both power and data on the same connector body. The IP67 rating (dust-tight, protected against temporary immersion) suits it for washdown zones, outdoor cabinets, and factory-floor junction boxes where moisture or dust is present.
Termination and Mounting — Solder Cup, Panel Mount
Termination is solder cup — each wire is hand-soldered into the cup on the back of the contact. No crimp tool required, which simplifies field termination but adds per-joint assembly time. The connector mounts to a panel via a bulkhead front-side nut, so the plug body installs from outside the enclosure and the nut tightens against the panel interior. The copper alloy shell with nickel finish provides corrosion resistance and a consistent ground path through the coupling threads.
Mating-side contacts are gold-plated to 3.00µin (0.076µm). For higher cycle counts, a thicker gold layer (15µin or more) would be specified; this part carries the standard flash for its class.
