The GW Instek PSP-405 is a single output, 200W, programmable switching DC power supply. OVL, OCL, OTP, and OPL protect the PSP405 and its loads from unexpected conditions. The PSP-405 has a large LCD panel which displays output and parameter simutaneously and a key lock feature to prevent changing the settings. The PSP-405 is suitable for generic bench-top applications in laboratories and educational institutions.