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Huawei DBU50B-N12A3 Embedded DC Backup Power Unit (-48V 50A 19-Inch Subrack) - Nameplate & Electrical Specifications
HuaweiModel: DBU50B-N12A3

Huawei DBU50B-N12A3 Embedded DC Backup Power Unit (-48V 50A 19-Inch Subrack)

The DBU50B-N12A3 is a high-performance Huawei 48V 50A DC backup power unit engineered for telecom exchanges, cellular base stations, and critical ICT infrastructures. It integrates high-efficiency AC-DC rectification, intelligent battery charge/discharge regulation, and robust power distribution protection within a standard 19-inch embedded chassis, delivering uninterrupted 48V power to core loads.

Potevio DMA14-4850A Pure White Background Hardware Shot 2
PotevioModel: DMA14-4850A

Potevio DMA14-4850A Industrial Carrier-Grade Telecom Rectifier Module (-48V 50A 2900W)

Featuring a peak conversion efficiency of ≥ 92.5% and a wide input voltage window of 90V AC to 290V AC, this hot-swappable module incorporates active power factor correction and an advanced resonant DC-DC topology. Equipped with forced-air cooling via an intelligent variable-speed brushless fan and autonomous active current-sharing control, the DMA14-4850A delivers superior power density, rugged electromagnetic compatibility (EMC), and robust operational availability under severe grid disturbances.

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