5.08mm pitch, 3-position, single-row header with friction lock
The 1744037-3 is a 3-position, single-row header from TE's Economy Power series, on a 0.200" (5.08mm) pitch. It is a shrouded - 1 wall design with a friction lock for mating retention, rated 7.5A per contact at 250VAC.
7.5A at 5.08mm pitch — what the rating means for the fit
At 7.5A per contact and 250VAC, this header handles typical lighting, industrial control, and general-purpose power distribution loads. The 5.08mm pitch gives enough clearance for 16-22 AWG wire in the mating housing.