Delta DPR4850-D-DCE High Efficiency Telecom Rectifier Module -48V 50A 2900W
The Delta DPR4850-D-DCE is a high-density digital AC/DC rectifier converting single-phase AC to clean -48V DC power with active power factor correction and auto
DeltaModel: Delta DPR 48/50-G
Delta DPR 48/50-G 48V 50A 2900W High Efficiency Telecom Rectifier Module
The Delta DPR 48/50-G is a carrier-grade, single-phase hot-swappable switch-mode rectifier module engineered for modern telecommunication and data networks. It converts 90V to 300V AC wide input power into stable 53.5V DC output with a rated power of 2900W (50A continuous), delivering an industry-leading peak energy efficiency of 96.2% along with active digital power factor correction.
Pricing is confirmed by project configuration and quantity
Request a quote- Rated Output Power
- 2900W (50A @ 58V DC)
- Nominal DC Output Voltage
- 42V DC ~ 58V DC (Nominal 53.5V DC)
- Rated Output Current
- 50A Continuous Constant Current Output
- Power Conversion Efficiency
- ≥ 96.2% (Gold Standard High Efficiency)
- AC Input Voltage Range
- 90V AC ~ 300V AC (Wide AC Input Range)
- Output Power Factor PF
- > 0.99 (Full Load Power Factor)
What this product is
What this product is
The DPR 48/50-G is packaged in a high-density 1U plug-in metal cassette, incorporating multi-stage EMI suppression, digital active PFC, LLC resonant converter topology, and low-loss synchronous rectification integrated with robust rear blind-mate hot-plug connectors.
What problem it solves
Eliminates low-line AC grid dropouts, decreases OPEX via lower thermal dissipation, mitigates power cabinet space constraints, and solves module current-sharing imbalance in parallel telecom power plants.
Who and where it is for
Ideal for 4G/5G macro cell outdoor cabinets, telecom central offices, optical transport nodes (OLT/DWDM), industrial IoT substations, and critical mission enterprise DC backbones.
Core advantages
- 96.2% peak gold efficiency substantially lowers site thermal dissipation and operational power costs
- 90V~300V AC ultra-wide input window resists unstable utility lines and lightning surges
- Autonomous digital active current sharing (<5% tolerance) for seamless N+1/N+X redundant scalability
- PWM variable-speed fan ensures quiet operation and reliable lifespan across -40°C to +75°C ambient
Technical specifications
| Key specifications | Value |
|---|---|
| Rated Output Power | 2900W (50A @ 58V DC) |
| Nominal DC Output Voltage | 42V DC ~ 58V DC (Nominal 53.5V DC) |
| Rated Output Current | 50A Continuous Constant Current Output |
| AC Input Voltage Range | 90V AC ~ 300V AC (Wide AC Input Range) |
| Power Conversion Efficiency | ≥ 96.2% (Gold Standard High Efficiency) |
| Cooling Method | Built-in Intelligent Fan (Smart Noise Reduction Speed Control) |
| Output Power Factor PF | > 0.99 (Full Load Power Factor) |
| Operating Temperature | -40°C ~ +75°C (Extreme Wide Temperature Operating) |
Applications
01
5G macro base stations and outdoor integrated power enclosures
02
Central office optical broadband terminal (OLT) and switch DC power feeds
03
Railway signaling and utility grid communication dispatch centers
04
Edge micro-datacenter modular power shelves and DC industrial UPS
Frequently asked questions
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