Shop for enclosed switching, linear, and benchtop 12 volt power supplies. Our compact, lightweight, and efficient 12V enclosed power supplies are a great alternative to heavier benchtop power supplies and are every bit as powerful. Circuit Specialists carries enclosed and open-frame power supplies rated from 25 to 1000 watts in wall plug-in, single, and multi-output configurations to suit your needs. Be sure to choose a power supply with ample current for your project — running at maximum capacity will shorten your power supply's lifespan.