Product Overview The Eltek Flatpack S 1U is a compact rack-mounted DC power supply engineered for servers and telecommunication equipment. Adopting a standard 1U height and 19-inch rack specification, this integrated power unit features a shallow depth design to fit most standard cabinets perfectly. It supports 100–250V single-phase AC input with a nominal 230V rating, delivering a stable -48VDC output, rated power of 2KW, and maximum output current up to 40A. The system