Detail Combined Overcurrent And Earth-fault Relay SPAJ 140 C ABB
Combined Overcurrent and Earth-fault Relay SPAJ 140 C ABB
The combined overcurrent and earth-fault relay SPAJ 140 C is intended to be used for the selective short-circuit and earth-fault protection of radial feeders in solidly earthed, resistance earthed or impedance earthed power systems. The integrated protection relay includes an overcurrent unit and an earth-fault unit with flexible tripping and signalling facilities. The overcurrent and earth-fault relays can also be used for other applications requiring single-, two-, or three-phase overcurrent protection. The combined overcurrent and earth-fault relay includes a circuit-breaker failure protection unit.
The combined overcurrent and earth-fault relay SPAJ 140 C is part of ABB’ s Distribution Automation concept, the complete ABB solution for control and management of electric power systems.
* other type will be available on special request
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