Its 0.189" (4.80mm) pitch gives enough spacing for the 5 A to 13 A power contacts this series handles, without crowding the panel cutout.
Panel-Mount Snap-In — No Fasteners Needed
The panel thickness and cutout dimensions follow the Mini-Fit 5025 application spec (available in the series drawing). Once snapped in, the locking ramp on the mating receptacle engages the housing ramp, and the pair stays mated through the rated vibration profile. For field service, depress the ramp with a small screwdriver to unmate — no tool required beyond that.