4DB-P107-03 is a dual-barrier terminal block from the BUCHANAN series designed for secure wire termination in PCB applications. This terminal block features a 0.325" (8.26mm) pitch with a thermoplastic polyamide housing rated UL94V-0 for flammability. It supports wire ranges from 12-22 AWG and offers electrical ratings of 20 Amps at 150V (UL Class C) or 10 Amps at 300V (UL Class D). The terminals feature bright acid-tin over copper alloy construction with #6-32 steel screws. Common applications include industrial control systems, power distribution, and electronic equipment where reliable wire connections are required.