Delta’s technology leading telecom rectifier DPR 4000B EnergE provides the industrial leading efficiency of 95.5%. The single phase, hot pluggable fan cooled rectifier provides the 27.3 W/in³ outstanding power density. Integrated with the high efficiency rectifier DPR 4000B EnergE, Delta power solution provides an energy saving solution for network base stations, wireless applications, fixed line applications and data communications.