Amphenol Sine Systems AT Series™ 18-Position Thermoplastic Connectors feature an 18 x size 16 contact configuration with IP68 / IP69K protection when mated. These heavy-duty, multipin, thermoplastic connectors include superior front and rear environmental seals and seal retention capabilities, which provide a multi-sealing perimeter against environmental ingress. The plug and receptacle housings are pre-assembled with internal rear seals and covers, while an integrated mating latch ensures a definitive mechanical and electrical connection. Amphenol Sine Systems AT Series 18-Position Thermoplastic Connectors are industry-wide compatible with existing standard products. Applications include heavy-duty, transportation, marine, diagnostic, alternative energy, agricultural, and other demanding to interconnect architectures.