Description 

The Emerson R48-5800E is a high-efficiency telecommunications rectifier module designed to convert three-phase AC input power into regulated nominal -48 VDC output for telecom and network power systems. The Emerson R48-5800E delivers up to 5800 watts of output power with digital signal processor control, making it suitable for wireless infrastructure, broadband networks, and data communication facilities. Its constant-power architecture supports parallel operation to increase system capacity and redundancy.

 

 

Technical Specifications 

Condition	New/Never Used Surplus
Brand	Emerson
Category	Power Supplies
Part Number	R48-5800E
Subcategory	Telecom Rectifier Module
Product Series	eSure
Product Type	Switching Rectifier Module
Input Voltage	260 to 530 VAC Three-Phase
Nominal Input Voltage	380 to 480 VAC
Input Frequency	45 to 65 Hz
Maximum Input Current	13 A
Power Factor	0.99
Output Voltage	Adjustable -42 to -58 VDC (Nominal -48 VDC)
Maximum Output Power	5800 W
Maximum Output Current	120 A
Peak Efficiency	96.2%
Input Connector	IEC 320-C20
Cooling Method	Forced Air
Application	Telecommunications, Fiber Networks, Wireless Infrastructure, Data Communications
Compliance	CE, RoHS, FCC
Weight	Approximately 4.00 kg

 

 

Information About R48-5800E

The R48-5800E is part of the Emerson eSure™ rectifier platform, developed for high-availability telecommunications power applications. It utilizes advanced switch-mode power conversion with integrated Digital Signal Processor technology to provide precise voltage regulation, high efficiency, and intelligent system monitoring. The module operates from a wide three-phase AC input range and produces an adjustable nominal -48 VDC output compatible with telecom DC power plants and battery backup systems. It can be installed alongside multiple rectifiers under a compatible system controller to support scalable power expansion and N+1 redundant configurations.

Key Features:

• High Power Output: Delivers up to 5800 watts of regulated direct current power for demanding telecommunications applications.
• Wide Input Voltage Range: Accepts 260 to 530 VAC three-phase input for flexible deployment across various electrical infrastructures.
• Digital Signal Processor Control: Uses advanced Digital Signal Processor technology for precise voltage regulation and efficient operation.
• High Conversion Efficiency: Achieves peak operating efficiency of up to 96.2 percent to reduce energy consumption and heat generation.
• Parallel Operation Capability: Supports multiple rectifiers operating together for increased capacity and system redundancy.
• Adjustable Output Current: Provides programmable output current limiting up to 120 amperes for optimized load management.
• Low Electrical Noise: Produces very low psophometric noise to protect sensitive telecommunications equipment.
• Telecom Power System Integration: Designed for use in central offices, wireless base stations, fiber optic networks, and broadband communication systems.

The R48-5800E delivers the reliability and precision required for continuous direct current power conversion in mission-critical telecommunications and network infrastructure.