Available in 2, 3, 4, 6, 8, 12, 13 (Mixed), 15 (Mixed) and 18 positions. Amphenol Sine Systems AT Series? Connectors are designed as an IP68/69K rated (mated), high-performance, cost-effective, thermoplastic solution with superior environmental seals, seal retention capabilities, and are designed for use with 14-22AWG with size 16 contacts handling up to 13A.