The IN2404000 24V 4A power supply is built with the latest power supply technologies and the quality components materials to enable high performance. The 24V adapter accepts worldwide AC power source from 90-264Vac so it consists of adapter 120V 24V, adapter 220V 24V, adapter 240V 24V... High-frequency AC-to-DC flyback converter with green-mode power-saving operation enables high power density and lowest no-load power consumption, to comply with global efficiency standards including DoE Level VI and EU CoC V5 Tier-2. The adapter 220V 24V 3A incorporates a pair of U shaped internal heat sinks with precise sizes to achieve efficient natural convection cooling, enables higher operating temperatures and reliability (see our UL/TUV certification).