AT06-3S-CAP is a protective end cap accessory for the Amphenol Sine Systems AT Series™ heavy-duty multi-pin connectors. This thermoplastic component is designed to protect 6-position connector plugs when not in use, maintaining the integrity of the connector system. The AT Series™ connectors feature IP67, IP68, and IP69K environmental sealing ratings in mated condition, with dust-tight protection and water resistance up to 1 meter for 24 hours (IP68) or high-pressure waterproof capability at multiple angles (IP69K). The connector system incorporates an integral latching mechanism ensuring definitive electrical and mechanical connections, with thermoplastic housing offering excellent UV resistance. This end cap is commonly used in industrial applications requiring environmental protection and reliable connector performance in harsh conditions.