Earth-fault Protection

Supported Legacy Products

  • REJ 521

    Earth-fault relay
    Outdated product, replaced by REF610

  • REJ 525

    Combined overcurrent & earth-fault relay
    Outdated product, replaced by REF610

  • SPAJ 110 C

    Overcurrent & earth-fault relay
    Earth-fault relay for selective earth-fault protection, either primary or back-up, in solidly or low-resistance earthed systems
    Outdated product, replaced by SPAJ 140 C

  • SPAJ 115 C

    Overcurrent & earth-fault relay
    Combined restricted earth-fault & residual earth-fault relay for power generator, motor and transformer protection
    Outdated product, replaced by SPAJ 140 C

  • SPAS 348 C

    Directional Earth Fault Relay
    Directional phase overcurrent, directional short-circuit & directional earth-fault protection
    Outdated product, replaced by REX 521

  • REJ 523

    Overcurrent relay
    Outdated product, replaced by REF610

  • REJ 527

    Directional or non-directional earth-fault relay and zero-sequence voltage unit
    Outdated product, replaced by REF610

  • SPAJ 111 C

    Overcurrent & earth-fault relay
    Sensitive earth-fault relay for neutral current measuring, generator interturn fault, capacitor bank unbalance & rotor earth-fault protection
    Outdated product, replaced by SPAJ 140 C

  • SPAS 120 C

    Directional Earth Fault Relay
    Selective feeder protection in isolated neutral & impedance earthed networks
    Outdated product, replaced by SPAA 341 C

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    ABB contact for India

    Sales: Bhavesh Choxi
    Service: Mukund Khonde

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