What This Header Does in the Economy Power Series
The 1744427-6: The shrouded four-wall housing guides the mating receptacle and protects the male square pins from bending during assembly or field service. The housing carries a UL94 V-2 flammability rating and glow wire compliance, which qualifies it for lighting fixtures and industrial equipment where the connector must resist ignition under fault conditions.
Board Fit and Mating Half
The 3.96 mm pitch leaves enough room for basic board routing without requiring fine-line traces. The 0.472" (12.00 mm) insulation height sets the z-height above the board — factor this into enclosure clearance if the header sits near a cover or another component.