PanelMate™ AT/ATP Connectors Amphenol Sine Systems AT/ATP PanelMate™ Receptacles combine flange mounting options with the proven reliability of the AT Series™ and the ATP Series™ IP68/69K rated (mated), environmentally sealed, thermoplastic connection systems. Engineered with a one-piece sealed flange design for rapid and secure mounting, the receptacles utilize a durable high-temperature silicone facial seal to provide a barrier of protection from lubricating oils, hydraulic fluids, and fossil fuels. These features allow the PanelMate™ Receptacles to withstand harsh environment applications.