The Zhujiang SMPS1002H-I is a field-proven carrier-grade switch-mode rectifier module delivering -48VDC / 20A (1000W) output, featuring active power factor correction (PFC > 0.99) and ultra-low noise ripple for telecom access points.
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High-frequency switch-mode telecom DC rectifier module.
Delivers reliable and ruggedized DC power conversion across harsh electrical grid environments.
Zhujiang DC subracks, industrial private network nodes, and telecom access terminals.
| Key specifications | Value |
|---|---|
| Nominal Output Voltage | -48VDC (-42V ~ -58V) VDC |
| Output Voltage Range | -48VDC (-42V ~ -58V) VDC |
| Rated Output Power | 1000 W |
| Physical Dimensions | 132 × 85 × 280 mm |
| Peak Conversion Efficiency | 92.5% |
| AC Input Voltage | 90 ~ 290 VAC (Single Phase Wide Range) |
| Operating Temperature Range | -20°C ~ +65°C |
| Rated Output Current | 20 A |
| Output Power Factor PF | > 0.99 |
Zhujiang
Featuring a peak conversion efficiency of ≥ 91.5%, the SMPS2004 integrates active power factor correction (APFC) with a digital microprocessor control topology. Engineered with forced-air cooling via an intelligent variable-speed fan and an ultra-wide input range of 90V AC to 290V AC, it delivers live hot-plug capability and carrier-class availability for mission-critical telecom and industrial platforms.
Featuring a peak conversion efficiency exceeding 92.0%, the module integrates active power factor correction (APFC), an advanced resonant soft-switching DC-DC topology, and microprocessor-monitored intelligent variable-speed forced-air cooling, ensuring seamless live hot-plugging and active current sharing across parallel power shelves.
Engineered for harsh operating environments, the 4850C achieves peak conversion efficiency greater than 92.5% and a power factor of 0.99 via advanced Active Power Factor Correction (APFC) and resonant topologies. It features forced-air cooling driven by an intelligent variable-speed brushless fan, seamless live hot-swappability, autonomous active current-sharing across parallel units, and robust protection against input line disturbances, voltage surges, and output anomalies.
Achieving a peak efficiency exceeding 94.5%, the 4850N2 combines full digital control topology with an intelligent speed-regulated brushless DC cooling fan for superior power density. Designed for rugged electrical environments, it features active power factor correction (PFC), comprehensive CAN bus communication, and true live hot-plug capability, guaranteeing carrier-grade reliability and exceptionally high MTBF.
