ABB SPAJ140C-AA Combined overcurrent and earth-fault relay Rapid Delivery

The ABB SPAJ140C-AA is a combined overcurrent and earth-fault relay that is used for the selective short-circuit and earth-fault protection of feeders and transformers in medium-voltage distribution systems. It is a microprocessor-based relay that provides a wide range of protection functions, including:

·Overcurrent protection

·Earth-fault protection

·Directional protection

·Time-delayed tripping

·Reclosing protection

·Overvoltage protection

·Undercurrent protection

·Underfrequency protection

·Overfrequency protection

The SPAJ140C-AA is a compact and reliable relay that is easy to install and maintain. It is also very versatile and can be used in a wide range of applications.

·Microprocessor-based design for high reliability and flexibility

·Wide range of protection functions

·Compact and easy-to-install design

·Versatile and can be used in a wide range of applications

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