The MEAN WELL OWA-90U series is a 90W single-output external LED power supply designed to function as an adaptor, simplifying LED lighting fixture installations without extra wiring. Certified for dry and damp locations, the OWA-90U features a Class II (no earth pin) design with a flame-retardant enclosure and silicone potting for enhanced heat dissipation. With a working efficiency up to 91%, it's cooled by free air convection. This power supply is suitable for LED lighting fixtures, decorative lighting, office lighting, and general electronic products in damp environments. It complies with EISA 2007 DoE and is UL LISTED.