Delta DPR4000-48 High-Power Industrial Telecom Rectifier Module (-48V 75A 4000W High Efficiency) Pure White Background Studio Photo 1
DeltaModel: DPR4000-48

Delta DPR4000-48 High-Power Industrial Telecom Rectifier Module (-48V 75A 4000W High Efficiency)

Carrier-grade industrial high-frequency switch-mode power supply designed for high-efficiency AC/DC conversion, bus regulation, and intelligent battery management.

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Rated DC Output
48VDC / 75A (4000W)
AC Input Voltage Range
85VAC-300VAC (Full load at 180-275V)
Peak Efficiency
≥ 95.0% (Resonant LLC)
Power Factor & THD
PF ≥ 0.99, THD ≤ 3%
Cooling System
Front-to-Rear Forced Airflow
Hot-Swap Feature
Live Hot-Swappable Blind-Mate

What this product is

What this product is

Carrier-grade industrial high-frequency switch-mode power supply designed for high-efficiency AC/DC conversion, bus regulation, and intelligent battery management.

What problem it solves

Resolves power grid instability, branch circuit metering latency, battery bank premature aging, and unattended facility management challenges.

Who and where it is for

Ideal for enterprise cloud data centers, high-voltage utility substations, telecommunications central offices, and industrial automation.

Core advantages

  • Industrial-grade ultra-high reliability engineered for continuous 24/7 mission-critical operations
  • True RMS high-precision real-time telemetry with sub-second parameter refresh rate
  • Optically isolated differential communication bus for seamless supervisory integration
  • Heavy-duty EMC shielding and transient surge suppression against severe industrial environments

Technical specifications

Key specificationsValue
DC Voltage Adjustment-42VDC to -58VDC
Rated DC Output48VDC / 75A (4000W)
Dimensions86 × 125 × 328 mm
AC Input Voltage Range85VAC-300VAC (Full load at 180-275V)
Input Frequency45Hz-66Hz
Peak Efficiency≥ 95.0% (Resonant LLC)
Power Factor & THDPF ≥ 0.99, THD ≤ 3%
Cooling SystemFront-to-Rear Forced Airflow
Hot-Swap FeatureLive Hot-Swappable Blind-Mate
Operating Temperature Range-25°C to +70°C (Auto-Derating)
Acoustic Noise< 55 dBA (at 25°C normal load)

Applications

01

Mission-critical power distribution and header cabinets in enterprise cloud data centers

02

High/medium voltage electrical substations, switchgear rooms, and utility power plants

03

Telecommunications central offices, indoor DC plant rooms, and cellular macro sites

04

Railway transit signaling power systems and heavy industrial automation enclosures

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