The HLG-100H-20AB is a part of the Mean Well line of high-efficiency LED drivers, which offer a reliable and user-friendly solution for powering LED lighting applications. It is a 100W, 120-277VAC input, 20V 5A output, constant voltage dimmable LED driver with both 0-10V dimming (DIM) capability and built-in active PFC (Power Factor Correction) feature. The driver is housed in a robust, high quality aluminum case measuring 170x86x42.5mm with an IP67 rating, giving it a degree of protection from dust, water and other elements. The driver also features a wide operating temperature range of -30 to +60°C, short circuit, overload and over-voltage protections, and is UL/cUL listed, providing assurance of a high quality, safe product.