RT012DCG is a dust cap with chain for receptacle designed for the ecomate® RM circular connector series from Amphenol Sine Systems. This accessory features a Shell Size 12 configuration and is constructed from Zinc Alloy with a silver-colored body, providing robust protection against dust and contamination in industrial environments. The integrated chain attachment ensures the cap remains tethered to the connector when removed, preventing loss during operation. The ecomate® RM series supports cable outer diameters ranging from 6.0 to 12.0 mm for Shell Size 12 backshells. This dust cap is ideal for protecting receptacle connectors in Factory Automation, Industrial, Heavy Equipment, and Transportation applications where IP65 to IP69K rated protection is required in mated condition.