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Vertiv R48-1800A Genuine Telecom Hardware Shot 1
VertivModel: R48-1800A

Vertiv R48-1800A Reliable Compact High-Frequency Telecom Rectifier Module (-48V 37.5A 1800W)

The Vertiv R48-1800A is a carrier-grade, highly reliable, and compact switch-mode rectifier module engineered for telecommunications and industrial DC power plants. Delivering a nominal output of -48V DC (adjustable from -42V to -58V DC) with a maximum current of 37.5A and 1800W rated power, it operates across an ultra-wide AC input range of 85V AC to 290V AC to ensure uninterrupted power in demanding utility conditions.

Pricing is confirmed by project configuration and quantity

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What this product is

What this product is

Electrically, the Vertiv R48-1800A incorporates a two-stage conversion architecture: an active front-end EMI and PFC stage to optimize power factor and minimize harmonic distortion (THD), followed by an isolated high-frequency DC-DC resonant converter stage. Complete with embedded DSP microprocessor monitoring, integrated blind-mate power connectors, and safety compliance with IEC/EN 60950 and EN 300 386 EMC, it provides stabilized telecom-grade DC energy.

What problem it solves

This rectifier eliminates power outages caused by unstable and swinging electrical grids in remote installations, dynamically handling severe low-voltage sags down to 85V AC without system dropouts. It protects downstream critical loads against damaging surges, avoids high-temperature thermal shutdowns common in sealed outdoor cabinets, and slashes operational downtime through live hot-swap maintenance without interrupting the live DC bus.

Who and where it is for

Ideal for 3G/4G/5G macro and micro base transceiver stations (BTS), outdoor telecom power cabinets, broadband optical line terminal (OLT) installations, private enterprise networks, critical industrial control systems, and modular NetSure DC power subracks.

Core advantages

    Technical specifications

    Key specificationsValue
    Rated Output Voltage-48V DC (-42V ~ -58V DC)
    Maximum Output Current37.5A
    Rated Output Power1800W
    AC Input Voltage Range85V AC ~ 290V AC
    Peak Conversion Efficiency≥ 92.0%
    Operating Temperature Range-40°C to +70°C
    Cooling MethodForced Air Cooling with Intelligent Speed Fan
    Hot-Swappable SupportYes (Live Hot-Pluggable / Plug-and-Play without Power Interruption)

    Applications

    01

    Modular telecom DC power subracks (e.g., Vertiv NetSure series) in cellular base stations

    02

    Broadband fiber access nodes and central office transmission network distribution panels

    03

    Industrial SCADA, substation telemetry, and automated process control -48V backup systems

    04

    Edge computing micro-datacenters and enterprise telecom equipment racks

    Frequently asked questions

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