The Chemtronics 1621A-400S is an AC-DC power supply that delivers 400W continuous power at 24V DC. It is designed for powering a variety of electronic devices, such as test equipment, scientific instruments, and medical equipment. It features a high temperature, UL listed enclosure with a compact footprint, as well as input and output connections of 120V-240V AC, and 0-24V DC. It comes with a range of user-friendly features, including surge protection, overload protection, EMI/RFI filtering, as well as a convenient remote control capability.