RTS012N8S03 is an ecomate® RSSM circular multiway connector from Amphenol Sine Systems designed for industrial applications requiring robust, durable connectivity. The connector features a Shell Size 12 configuration with a 12-03 insert arrangement providing 3 contacts at 50% density, each rated for 13A at 50DV with normal wire seals. It supports typical wire ranges of 12-14 AWG (2.5-3.5mm) and accommodates cable outer diameters from 6.0 to 12.0mm through its backshell design. The product is part of the ecomate® family offering IP65 thru IP69K rating in mated condition, making it suitable for factory automation, industrial equipment, and heavy-duty transportation applications where reliable electrical connections are essential.