Products Description
Proteco FMP48/404-NV Rectifier Module

Core Performance & Industrial Application
The Proteco FMP48/404-NV is a telecom rectifier module designed to convert AC mains into regulated -48V DC for telecommunications plant power systems.
It operates as both rectifier and float charger, supplying critical switching equipment while floating the backup battery bank.
It supports remote management via serial communication protocols for plant supervision and alarming.
It plugs into a telecom rectifier rack and shares the DC bus with parallel charger modules.
It is a Brazilian-made spare module used for legacy telecom power cabinet maintenance.
Technical Specifications
▶ Product type: Telecom rectifier / battery charger module
▶ Brand: Proteco
▶ Model: FMP48/404-NV
▶ Output: -48 V DC telecom bus
▶ Function: AC-DC rectification, float charging, parallel redundancy
▶ Communication: Remote supervision interface
▶ Mounting: Rack module insertion
▶ Feature: Critical load power, battery float charge, remote alarm
▶ Note: Rated current, output power and input voltage defined by nameplate; confirm before ordering

Industry Applications
Applied in telecom central office power cabinets, microwave and fiber transmission plant DC supply spare replacement.
Note: Confirm output current, input voltage, rack slot and comms protocol against the nameplate before ordering