AT04-12PA-RD01 is a 12-position receptacle connector with pin contacts from the Amphenol AT Series, designed for heavy-duty industrial applications requiring reliable environmental sealing. The connector features a thermoplastic housing rated UL94-V0 with excellent UV resistance and an integrated latching system for secure electrical and mechanical connections. It is rated IP67, IP68, and IP69K in mated condition, providing dust-tight protection and waterproof performance up to 1M for 24 hours as well as high-pressure waterproof capability. The connector supports a maximum current of 13A (Size 16 contacts) with a voltage rating of 250V and operates over a temperature range of -55°C to +125°C. Common applications include industrial equipment, transportation, and outdoor environments where resistance to fluids such as gas, oil, and acid is required.