The ELG-200-12D2-3Y is a part manufactured by Mean Well, a provider of AC/DC switching power supplies, LED Drivers, DC/DC converters, dedicated power supplies, and so on. This part is a 200W 12V LED Switching Power Supply and features switchable constant voltage and current modes, plus continuous voltage and current adjustment via separate dials on the front panel. It has a built-in active PFC circuit, short circuit and over-voltage protection, and meets IP67 standards for water and dust resistance, making it suitable for outdoor installations. Its 3-year warranty and 7-year minimum power supply life make it a reliable choice for various applications.