The Mean Well ELG-200-42D2 is a 200-watt open frame industrial DC-to-DC power supply. This power supply is a high-performance, long-term, reliable product that is suitable for a variety of applications. It comes with a wide voltage range of 12.6 to 42V and can provide stable, low ripple and low noise power to electronic systems, such as photovoltaic, industrial automation, transportation and communication, etc. It also has protections against over voltage, over current, over temperature and short circuit. Moreover, the ELG-200-42D2 is UL, CUL, CB and TUV certified.