300W switching power supply board that provides a stable 24V output for 24V equipment. Wide applicability across LED lighting, communication equipment, industrial automation control, and other 24V applications. Compact and lightweight design with efficiency; includes overload protection and shortcircuit protection for safe operation. Target users include electronic engineers, electronic product manufacturers, and others who require a reliable 24V power source. Use scenarios LED lighting installations: power 24V LED strips, modules, or signage with stable brightness and reliability. Communication equipment: supply 24V to network devices, sensors, and telecom gear needing a solid power source. Industrial automation: power controllers, PLCs, sensors, and actuators in control panels requiring a dependable 24V supply.