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DC power systems

Browse products and technical information for DC power systems.

Vertiv ER22005S Genuine Telecom Hardware Shot 1
VertivModel: ER22005S

Vertiv ER22005S Utility Substation High-Voltage DC Operating Power Rectifier (220V 5A 1100W)

Featuring full-bridge resonant soft-switching technology and digital DSP-driven control, the ER22005S achieves a peak conversion efficiency of ≥ 94.0%. With its advanced hybrid natural convection and thermal fan cooling, autonomous active current sharing, and hot-pluggable architecture, the unit ensures stable, transient-free high-voltage DC output under severe electromagnetic interference and harsh ambient temperatures.

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Delta ESR-48/60 AA pure white studio product shot
DeltaModel: ESR-48/60 AA

Delta ESR-48/60 AA Industrial-Grade High-Efficiency Telecom Rectifier Module (54V 60A 3200W)

Featuring advanced digital signal processing (DSP) control and optimized resonant switching topologies, this rectifier delivers peak efficiency exceeding 96%, dramatically lowering thermal overhead and utility OPEX. It incorporates an intelligent, temperature-controlled forced-air cooling system capable of continuous operation across an ultra-wide ambient temperature window of -40°C to +75°C. With active autonomous load sharing, N+X modular redundancy, and carrier-grade galvanic isolation, the ESR-48/60 AA ensures zero-downtime reliability for Tier-1 network deployments.

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Delta ESR4840AC Genuine Telecom Hardware Shot 1
DeltaModel: ESR4840AC

Delta ESR4840AC Industrial High-Frequency Telecom Rectifier Module (54V 40A 2000W)

Engineered with an industry-leading peak efficiency of ≥95.0%, the ESR4840AC features advanced resonant power topologies, full digital signal processing (DSP) control, and an intelligent variable-speed cooling fan. Operating across a wide -40°C to +75°C temperature envelope, it provides carrier-grade reliability, live hot-pluggability, and precise active load sharing for N+1 redundant telecom power solutions.

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Delta ESR4850DE Genuine Telecom Hardware Shot 4
DeltaModel: ESR4850DE

Delta ESR4850DE Industrial-Grade High-Reliability Telecom Rectifier Module (54V 50A 2900W)

Featuring advanced Active Power Factor Correction (APFC) and high-frequency soft-switching resonance topology, the ESR4850DE achieves a peak conversion efficiency of ≥95.5%. Forced-air cooled by an intelligent variable-speed fan and monitored via digital bus architecture, it supports live hot-plugging for zero-downtime, continuous carrier-grade operation under demanding environmental conditions.

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Delta ESR4856BC Genuine Telecom Hardware Shot 1
DeltaModel: ESR4856BC

Delta ESR4856BC 96% Gold High-Efficiency Energy-Saving Telecom Rectifier Module (54V 56A 3000W)

Engineered with advanced full-bridge soft-switching and Active Power Factor Correction (APFC) topology, the rectifier operates reliably across a wide 80V AC to 300V AC grid envelope. It features forced-air cooling driven by an intelligent variable-speed fan, robust hot-plugging capabilities, and carrier-grade durability tailored for mission-critical wireless macro base stations and core data centers.

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Vertiv Emerson R24-2200 pure white studio product shot
VertivModel: Emerson R24-2200

Vertiv Emerson R24-2200 Industrial-Grade High-Frequency DC Power Rectifier Module (24V 85A 2200W)

Featuring a fully digital DSP control architecture combined with advanced active PFC and resonant DC-DC topology, the R24-2200 achieves conversion efficiencies exceeding 92% and an input power factor above 0.99. Designed with autonomous load-sharing, variable-speed forced-air cooling, and hot-swappable modular mechanics, it delivers telecom-grade reliability, robust EMC immunity, and uninterrupted service continuity under demanding electrical conditions.

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Emerson HD4850-2 Genuine Telecom Hardware Shot 4
EmersonModel: HD4850-2

Emerson HD4850-2 Industrial Heavy-Duty Telecom Switch-Mode Rectifier Module (-48V 50A 2900W)

Featuring active power factor correction (APFC) and high-frequency soft-switching resonance topology, the HD4850-2 delivers a peak conversion efficiency exceeding 93.0%. An intelligent variable-speed cooling fan dynamically regulates thermal airflow based on real-time load and ambient temperatures. Fully hot-pluggable under load, the module incorporates comprehensive input/output overvoltage, short-circuit, and thermal foldback protections to safeguard continuous 24/7 network availability.

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