The 3.81 mm pitch gives more room per circuit than the tighter 3.00 mm or 2.50 mm families, which helps with creepage and wire routing in power or signal runs up to the series rating.
The 3-position, single-row layout accepts one contact per cavity; the crimp termination is standard for field-installable or harness-build scenarios.
Mating and Assembly Check
The polarizing key ensures the plug only engages in the correct orientation. For a complete interconnect, pair the housing with the correct male crimp terminals and the mating receptacle housing or header.