15W Class high lumen output and efficacy from a single, easy-to-use LED array The HRA0613 LED Array delivers high lumen output and high efficacy in a single, easy-to-use package that eliminates the need for reflow soldering. Optimized to simplify designs and lower system cost, the HRA0613 LED Array can deliver system-level performance of 800 to over 3600 lumens, enabling applications ranging from trackinglihgts to commercial downlights.