Eltek Micropack 48V/250W Rectifier 241120.100 Eltek Micropack System is convection cooled, designed for less power-hungry applications, but still with system functionality options to match any requirements. Use as stand-alone or in a flexible off-the-shelf configurable system. Eltek Micropack Power System extends your network one step further. With load ranges typically between 120W and 1000W, and in 12V, 24V, and 48V options, the system is perfect for a great variety of applications.