DC Power Systems (-48V) - RICEWIND
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.
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.
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.
Featuring full-digital DSP control, interleaved active power factor correction (PFC), and a high-frequency LLC resonant topology, the ESR4856G incorporates intelligent variable-speed fan cooling and high-speed CAN telemetry, delivering ultra-low THD and carrier-grade continuous uptime in rugged electrical environments.
The Eltek 268035 is an industrial 19-inch 1U high-density Flatpack2 4AC HC power shelf designed for mission-critical telecom and HVDC power systems. It features
Genuine Emerson ER11040/T5 110V/40A utility substation DC rectifier charger module.
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.
Featuring a peak energy conversion efficiency exceeding 92.5%, the unit accepts an ultra-wide AC input range from 90V to 290V AC, incorporating active power factor correction, precision autonomous current sharing, and true hot-plug capability. It is specifically designed for space-constrained micro-stations and harsh field grid environments.
Featuring ultra-high energy efficiency, intelligent digital control, and comprehensive electrical protection, Vertiv HD22010-3 delivers uninterrupted 24/7 power and communication stability.
Compact 48V/25A single-phase high-frequency rectifier offering ultra-wide AC input tolerance and autonomous active load sharing.
48V 30A switch-mode telecom rectifier featuring an ultra-wide AC input range, autonomous active current sharing, and CAN/RS485 digital monitoring.
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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