Emerson R48-1800A /Vertiv 48V DC telecom power system Power Supply

Emerson R48-1800A /Vertiv 48V DC telecom power system Power Supply Image 1

Emerson R48-1800A 48V DC rectifier module, up to 1740W, 91% efficiency.

The Emerson R48-1800A is a 48V DC rectifier module used within Emerson/Vertiv telecom power systems. It accepts a 200-250V AC input (operating range 85-300V AC) at 50/60Hz and converts it to a regulated -48V DC output at up to 1740W, with an efficiency of up to 91% using switch-mode and digital signal processing technology. The module includes monitoring and alarm functions reporting status via CAN bus alongside front-panel LED indicators, and automatically resumes normal operation once input voltage returns to its operating range after a fault. Tech-Star (UK-based, shipped worldwide) supplies tested Emerson R48-1800A rectifier modules; contact our engineers to confirm exact compatibility with your specific power system before ordering.

Worldwide supply. We export new and refurbished telecoms and networking equipment internationally. International buyers welcome, request a delivered quote in your currency. Supply subject to export checks.

From the same manufacturer

Frequently asked questions

Is the Emerson R48-1800A refurbished or new?
Tech-Star supplies both new and refurbished Emerson R48-1800A. Refurbished items are tested and graded against manufacturer specifications; the condition is confirmed at quote.
What warranty is included with the Emerson R48-1800A?
Refurbished Emerson R48-1800A comes with a 90-day parts and labour warranty as standard. Extended warranty options are available on request.
How do I get a price for the Emerson R48-1800A?
Pricing reflects current stock and lead time, so we quote per enquiry. Submit the part number through the contact form for a quote, typically within one business hour.
Can the Emerson R48-1800A be returned?
Returns are accepted within 14 days of delivery in line with our return policy. A restocking fee may apply for opened items.
How quickly can the Emerson R48-1800A be delivered?
Lead time depends on current stock. UK-based items typically ship the next business day; sourced items vary. We confirm lead time at quote.

Key Features200-250V AC input (85-300V operating range); -48V DC output up to 1740W; up to 91% efficiency
ApplicationsTelecom base station and exchange DC power plant rectification
CompatibilityEmerson/Vertiv 48V DC telecom power systems
SpecificationsR48-1800A designation; switch-mode rectifier module; CAN bus monitoring/alarm reporting
PlatformEmerson/Vertiv 48V DC telecom power system
ManufacturerEmerson

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