A DC power supply from Grainger provides consistent DC power to your machinery and equipment. Install a new, DIN-mount, DC power supply with special overload protection for starting high in-rush loads. Use the linear power supply for low-noise, reliable DC power for control and processing applications, or get an AC-to-DC converter with overload protection for heavy-duty equipment. You'll also find switching power supplies for DC equipment. Shop here for your DC power supply needs.