284539-2 is a right-angle closed-end header terminal block connector with a threaded flange, designed for two-position board mount applications with 3.5 mm centerline spacing. The connector features a UL rating of 300 V at 11 A, with a polarization key slot and cavity for M2.5 fixing screw to ensure secure mounting and proper alignment. The device has a dimension A of 3.5 mm (0.138 inches) and is manufactured in green color with RoHS compliance. This terminal block is commonly used in industrial control systems, power distribution panels, and electronic equipment requiring reliable two-position electrical connections with mechanical stability and polarization protection.