In summary, the TDK-Lambda HFE2500 series of wide AC input range, from 85 to 265VAC, AC/DC power supplies is available in three output voltages, 12V, 24/28V, and 48V, and capable of delivering up to 2500W of output power. An optional 1U high 19” rack mount can hold up to four paralleled HFE2500 power supplies. Two 19” rack units can be paralleled, with automatic load sharing from up to eight HFE2500 supplies. HFE power supplies are cUL marked for the US and Canada and certified to EN 60950-1 for use in Europe. The supplies meet Class B conducted EMI and Class A radiated. An optional PMBus interface is available which is an industry standard interface allowing communication between the system host and the power supplies.