The Molex 430450229 is a 2-position, 2-row member of the Micro-Fit 3.0 43045 series — a shrouded through-hole header designed for board-to-cable/wire interconnects.
The 8 A per circuit is the headline number, but the real load-bearing spec for procurement is the contact plating. The tin post is standard for solder-joint reliability; the gold mating surface handles the wipe cycles without oxide build-up. The locking ramp fastening type and full 4-wall shrouding together mean this connector stays mated under vibration and the male pins are protected from bending during handling. If your assembly sees a shaker table or a vehicle frame, that locking ramp is what keeps the pair together — the latch is audible when it seats. The UL94 V-0 LCP housing also means it's acceptable inside equipment enclosures that require a flammability rating, which covers most industrial and telecom gear.