The TE Connectivity Buchanan 282837-3 is a three-position, single-row, 5.08 mm-pitch PCB screw terminal block with side wire entry and through-hole solder termination. It is commonly used to connect field wiring for power and low-frequency signals to a PCB without a separate mating cable connector; TE identifies its circuit application as power and signal. TE product data

Rating interpretation: This is a passive connector, not an IC with a supply-voltage operating window. The verified manufacturer product page provides an operating voltage and maximum contact-current rating, but those are not permission to operate at every rating simultaneously; conductor size, PCB cop...