The Mean Well HLG-320H-C1050D2 is a high performance constant power LED driver with output power of 1050 watts and output voltage ranging from 40 to 264 volts. It features a PFC (Power Factor Correction) of 0.94, IP-67 waterproof rating, 95% efficiency, low THD (<20%), and high efficiency up to 95%. The HLG-320H-C1050D2 uses active PFC technology, enabling it to minimize harmonic distortion, inrush current and provides a smooth start up. It also provides over-voltage, over-current, and short circuit protection for the load. The device includes temperature protection, electronic current limiting and remote sense control. The Mean Well HLG-320H-C1050D2 is ideal for lighting applications such as street lighting, commercial and high-bay lighting, and down-lighting.