Whether you're buying a power supply unit for the first time or needing to upgrade to a higher-wattage brick, you're going to want to pay close attention to the power supply ratings system.

Delta has introduced 2.5kW medical ac-dc power supply to its range in 24, 36 and 48V vesions. MEB-2K5A PSUs, as they will be know, measure 127 x 271 x 40.5mm, have 5V 2A stand-by output, and are ...