The MEAN WELL HLG-240H-54A is a 240W AC/DC LED driver designed for various LED lighting applications, including street lights, high-bay lights, and parking space lights. It features dual-mode constant voltage and constant current output, operating from 90-305VAC with a voltage range of 12V to 54V. The driver boasts high efficiency (up to 93.5%) and a wide operating temperature range (-40°C to +90°C) thanks to its fanless design. Its metal housing and IP67/IP65 ingress protection level make it suitable for both indoor and outdoor installations. Various dimming methodologies are supported for flexible LED lighting system design.