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Sepam series 20

Protection Relays for Standard or Usual Applications

Sepam series 20 offers 7 types of digital current or voltage protection for standard distribution systems, each one dedicated to a single application. Models available: Sepam S20, S24, T20, T24, M20, B21, B22.

Sepam series 20
  • Features

    Sepam series 20 includes 7 types of Sepam. One type of Sepam is dedicated to one application.

        • 3 types of UMI
        • 4 current inputs OR 4 voltage inputs
        • 10 logic inputs
        • 8 relay outputs
        • 1 Modbus communication port
        • 8 temperature sensor inputs
    A ready to use Sepam series 20 includes :

         • One base unit
         • One 20 pin connector
         • One current or voltage connector (depending on the application)
         • One application
         • One operating language
         • Optional module(s) and/or optional communication interface(s) 
         • Optional core balance CT

    Standard Manufacturers Warranty: 2 years


    Simplicity and performance, headed in the right direction

    Protect your power system with full peace of mind using Sepam protection relays.

         • 20 years of experience in digital relays
         • A consistent range of relays organised according to applications


    • Substation incomer and feeder protection: S20, S24
    • Transformer protection: T20, T24
    • Motor protection 2 voltage applications: M20
    • Busbar protection: B21
    • Loss of mains protections: B22


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

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