Similar to the 565 series, the 566 series offers wire-to-wire in 2, 3, and 4 position circuits and wire-to-board in 2 and 3 circuit position designs. Seals are pre-assembled into the housing on this series as well, eliminating the need for external seals. Both male and female terminal materials are composed of phosphor with a tin plating and accept 22-28 AWG wires. The pitch for the 566 series is 2.5mm with a rated voltage of 250V and a current rating of 2A max. Additionally, waterproof caps are available to cover unused circuits.