A “single-rail” power supply has a single, high-power +12V rail for feeding power to hungry system components. A “multi-rail” unit divides its output between two or more +12V rails.

The new SPDE power supply series from Carlo Gavazzi consists of compact single-phase DIN rail power supplies designed for electrical panels that come in three frame sizes ranging from 75W with 32mm ...

Is a Gold Plus-rated power supply better than an unrated? What about a single- versus multi-rail? And what happens if you choose wrong? A power supply works by converting the alternating current ...

While single-quadrant supplies will only suffer from load-sharing ... using a 10-mΩ ballast resistor between each supply and their common output rail. Using power supplies in parallel is an attractive ...

It would be nice if we would see more power supplies come to the market like this. The Corsair AX1200 has simple rail distribution with everything on a single 12V rail. Normally this is about all ...

InWin employs a single-rail design in this power supply. Currently, the IW-1650W does not hold any 80 Plus, ETA, o ...

TDK-Lambda’s DRB120-480 Series 120–480W single-output DIN rail mount power supplies are ideal for use in industrial automation, test and semiconductor fabrication applications. How do you ...

As mentioned earlier, if you prefer a single rail power supply, that is an option available to you. However, if you prefer a multi-rail design, the Dark Power series is a great choice. The 80 Plus ...

and you can choose between multi- or single-rail 12V modes. FSP is a manufacturer of PSUs that makes units for other companies, including be quiet! They make solid power supplies that are reliable ...

Two new series of single phase AC DIN-rail switch mode power supplies from Carlo Gavazzi come in space-saving housings. The SPDM Series is a general purpose family with industry standard features in ...