81665-4

The 81665-4 from TE Connectivity AMP Connectors sets new standards in Circular Connectors - Accessories for industrial IoT applications. This smart connectivity solution bridges the gap between rugged physical interfaces and Industry 4.0 digital requirements.As Flange Gasket, this innovative design incorporates Power-over-Ethernet (PoE++) capability while maintaining full EMI shielding. Compared to conventional solutions, it delivers 30% better heat dissipation for continuous 60W power delivery.Certified for CPC Receptacle with Square Flange, the accessory supports PROFINET, EtherCAT, and Ethernet/IP protocols. Its contact design maintains signal integrity up to 100MHz bandwidth in factory automation environments.Precision-engineered to 13 dimensions, the component supports tool-less installation with positive tactile feedback. The design achieves IP69K protection while allowing 5000+ mating cycles.The industrial-grade Neoprene formulation resists cutting oils and coolants while maintaining flexibility at -40 C. Material testing shows no swelling or cracking after 5000 hours of chemical exposure.With advanced Square, this solution provides real-time contact resistance monitoring. Its predictive maintenance capability reduces unplanned downtime by 80% in smart factory applications.The Black coding system follows DIN 47100 standards for quick identification in control cabinets. High-contrast options improve visibility in low-light manufacturing environments.