
Delta DPR4000B-48 High-Power Industrial Subrack Telecom Rectifier Module (54V 74A 4000W)
Engineered with dual DSP digital architecture and an advanced LLC resonant conversion topology, the rectifier attains peak energy efficiency exceeding 96.2%. It integrates an active power factor correction (PFC) stage, intelligent variable-speed forced-air cooling, and full N+1 parallel hot-swap capability, offering industry-leading power density and carrier-class MTBF in harsh utility grid conditions.










