A board mount electrical connector (3) includes an insulative connector housing (1100) including a longitudinal bottom wall (1102) defining a plurality of contact openings (1104) for receiving a plurality of contacts (1200), first and second side walls (1106, 1108) extending upwardly from the bottom wall at opposing sides thereof, first and second end walls (1110, 1112) extending upwardly from the bottom wall at opposing ends (1102c, 1102d) thereof, first and second pairs of latch openings (1114, 1116) at opposing ends of the bottom wall, and first and second protrusions (1154, 1156) extending upwardly from the bottom wall and disposed between respective first and second pairs of latch openings. Each latch opening extends through the bottom wall and through a side wall and is configured to allow a latch to eject a mating connector by moving within the opening. Each of the protrusions is configured to engage a corresponding opening in a latch of a mating connector cover or strain relief assembled to the electrical connector.