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Delta ESR-48/56B FC delivers 3000W constant-current DC power for telecom central offices and cellular BTS racks with ≥93.5% peak efficiency. Features 90V-300V AC wide input tolerance, intelligent fan cooling, robust lightning/surge protection, and CAN bus integration.
Delta ESR-48/56CF features an energy conversion efficiency of ≥94%, output adjustable from 42V to 58V DC, intelligent variable-speed cooling fans, active current sharing, and smart digital bus interaction. Built for base stations, outdoor telecom cabinets, and datacenters, it guarantees hot-plug convenience and strong resilience against harsh grid fluctuations.
Delta ESR-48/56CN is an industrial 3000W hot-pluggable telecom rectifier delivering -48V DC / 56A output with ≥94% efficiency. Engineered with 88V~300V AC wide input tolerance and an operational range of -40°C to +70°C, it incorporates intelligent fan cooling and robust electrical safeguards, serving macro base stations, microwave sites, and industrial DC plants.
The ESR-48/56A is a high-efficiency power system designed for telecommunication facilities and industrial infrastructure.
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