3-177898-1 is a 2-circuit Power Double Lock (PDL) connector designed for wire-to-board and wire-to-wire applications with a 3.96 mm centerline spacing. The connector features a free-hanging plug housing constructed from UL94V-0, 6/6 Nylon material, providing robust mechanical and electrical performance. Key dimensions include a housing width of 20.6 mm, height of 7.3 mm, and circuit spacing of 4 mm, with individual circuit dimensions of 4.5 mm × 6.0 mm × 0.9 mm. The connector incorporates Lock Type II design and is compatible with receptacle contacts, mating cap housings, and double lock plates specified in the product family documentation. This connector is ideal for applications requiring reliable, compact interconnections in automotive, industrial, and consumer electronics where space efficiency and secure mating are essential.