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Overcurrent Protection

Our offering

  • SPAJ 140 C

    Overcurrent & earth-fault relay
    Combined overcurrent & earth-fault relay for the selective protection of radial feeders in solidly , resistance or impedance earthed systems

Supported Legacy Products

  • REJ 511

    Earth-fault relay without mimic
    Outdated product, replaced by REF610

  • REJ 515

    Combined overcurrent & earth-fault relay without mimic
    Outdated product, replace by REF610

  • SPAJ 131 C

    Overcurrent & earth-fault relay
    Overcurrent relay for two-stage phase overcurrent protection of distribution feeders, large LV motors, HV motors, generators & power transformers
    Outdated product, replaced by SPAJ 140 C

  • SPAJ 141 C

    Overcurrent & earth-fault relay
    Combined overcurrent & earth-fault relay for the selective protection of radial feeders in solidly , resistance or impedance earthed systems
    Outdated product, replaced by REF610

  • SPAJ 144 C

    Overcurrent & earth-fault relay
    Combined phase & neutral overcurrent relay for selective short-circuit & time overcurrent protection of radial feeders in distribution networks
    Outdated product, replaced by REF610

  • SPAJ 321 C

    Overcurrent & earth-fault relay
    Short-circuit protection, time overcurrent protection and residual earth-fault protection for radial overhead and cable feeders in solidly earthed or low-resistance earthed networks
    Outdated product, replaced by REX 521

  • REJ 513

    Overcurrent relay without mimic
    Outdated product, replace by REF610

  • REJ 517

    Directional or non-directional earth-fault relay and zero-sequence voltage unit without mimic
    Outdated product, replace by REF615

  • SPAJ 135 C

    Overcurrent & earth-fault relay
    Combined phase overcurrent & earth-fault relay for time & current graded overcurrent & earth-fault protection in distribution networks
    Outdated product, replaced by SPAJ 140 C

  • SPAJ 142 C

    Overcurrent & earth-fault relay
    Combined overcurrent & earth-fault relay for the selective protection of radial feeders in solidly , resistance or impedance earthed systems

  • SPAJ 320 C

    Overcurrent & earth-fault relay
    Short-circuit protection, time overcurrent protection and residual earth-fault protection for radial overhead and cable feeders in solidly earthed or low-resistance earthed networks
    Outdated product, replaced by REX 521

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    ABB contact for Singapore

    Sales: SiewKim Aw
    Service: SiewKim Aw

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