The MEAN WELL ELG-100-42A is a 100W AC/DC LED driver designed for a wide range of LED lighting applications. It provides both constant voltage and constant current output modes, offering flexibility in design. The driver operates on a wide input voltage range (360VAC) and features a high efficiency, fanless design, allowing for operation within a wide temperature range. It's housed in a metal casing with IP65/IP67 ingress protection, making it suitable for both indoor and outdoor installations. The ELG-100 series is equipped with various dimming options and features like built-in active PFC and a typical lifetime exceeding 50,000 hours.