The RSP-320-12 is 40% smaller in size compared to corresponding models. With 88% of high efficiency and the PFC function the RSP-320-12 can be cooled by the built in long life DC fan from -30℃ to +50℃ ambient temperature under full load condition and up to +70℃ by suitable de rating.This Power supply comes with protection for short circuit, over load, over voltage and over temperature. The RSP-320-12 is suitable for general industrial control system, mechanical and electrical industry, instruments, LED display, or any systems require low profile installations. RSP-320-12 has a 3 year factory warranty.