RT020DCG is a Shell Size 20 dust cap with chain for receptacle designed for the ecomate® RM circular connector family from Amphenol Sine Systems. This accessory is constructed from zinc alloy with a silver body finish, providing corrosion resistance and durability in industrial environments. The dust cap features a tethered chain attachment to prevent loss and ensure the cap remains connected to the receptacle when not in use. It is compatible with the ecomate® RM series connectors, which are rated IP67 and designed for indoor/outdoor industrial applications including Factory Automation, Heavy Equipment, Transportation, and Entertainment/Lighting markets. The product operates reliably across the temperature range of -40°C to +125°C, making it suitable for demanding industrial conditions.