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    Sepam series 20

    Protection Relays for Demanding Applications

    All protection functions with ZSI applications for motors and substation feeders and transformers in any distribution system

    Sepam series 20
    • Features

      • Remote and Advanced displays available
      • Digital I/O: 0-10 Inputs/4-8 Outputs
      • Analog Outputs: 1 Output 
      • Two Modbus communication ports
      • 0-8 temperature sensor inputs
      • LPCT: low-power current transducer complying with standard IEC 60044-8
      • Removable memory cartridge with parameters and settings for quick commissioning after replacement
      • Built-in logic matrix and equation editor

      Contractual warranty
      Period : 2 years


      • Compact case provides standardized dimensions
      • Setting software with Boolean logic equation assistance allows for improved control scheme design
      • Built-in CT/VT and trip circuit supervision reduces design time
      • 16 s of fault recording, multiple captures, history of last 5 trip reports, and 200 time-tagged alarms provides for improved fault analysis and reduced restoration time
      • 16 RTD inputs allows for greater flexibility temperature measurement applications



      Standard protection applications
      • S40, S41, S42, S50, S51, S52, S53: substation incomer and feeder protection
      • T40, T42, T50, T52: transformer protection
      • M41: motor protection
      • G40: generator protection
      Built-in applications
      • Switchgear CB Control
      • Zone Selective Interlocking


      • Sepam with basic UMI
      • Sepam with integrated advanced UMI
      • Sepam with remote advanced UMI